JP2019214930A - Analysis method for obtaining change of stress in tunnel lining through amount of displacement, and apparatus and system therefor - Google Patents

Abstract

To provide an analysis method for obtaining a change of stress in a tunnel lining through an amount of displacement, and an apparatus and a system therefor.SOLUTION: A present invention which is an analysis method for obtaining a change in stress of a tunnel lining through a displacement amount, and an apparatus and a system therefor, provides a simulation model that include: a step of including a three-dimensional tunnel unit, a plurality of different cross-sections at model boundary portions, and its measurement variables and displacement form; a step of calculating a relative displacement amount of the tunnel unit and a component amount of the displacement form based on displacement measurement values of the plurality of different cross-sections, and also acquiring a value of a stress change of a wall surface; and a step of obtaining the value of a stress change matching crack distribution by comparing the stress change of the wall surface and a crack distribution of the wall surface, and also by correcting a calculated value of the relative displacement amount according to a situation to obtain the stress change matching crack distribution. Through the present invention, an effective reinforcement process is simulated by predicting a tendency of a fracture to progress under long-term observation, and also soundness and safety of a tunnel are evaluated, and further practical advice on tunnel maintenance is provided.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an analysis method in civil engineering and an apparatus and system thereof, and more particularly, to an application of an analysis of a change in stress on a tunnel wall surface caused by a displacement amount.

  The tunnel lining is an artificial structure in which the surface of the tunnel is made of a material such as brick, stone, concrete, steel wire, steel bar, steel fiber, or the like. Tunnel manufacturing in modern times means that the tunnel construction is continuously monitored during tunnel construction, the work is backed up after the tendency of deformation is stabilized, the beauty of the backing and the protection during work The effect was kept, and theoretically no excessive stress was applied at this time. However, in Taiwan, about two-thirds of the tunnels have had abnormal backing after opening, and deformation and rifts are common among them. For this reason, recent studies have focused on the displacement and rips of the backing, and these are regarded as important indicators of the main cause of deterioration of the tunnel structure.

  Many of the well-known methods for analyzing the displacement of a tunnel focus on the deformation of the observed section itself. However, in recent years, the results of the analysis of the observation data of the three-dimensional absolute displacement of the tunnel show that not only the two-dimensional deformation such as inward compression or outward protrusion confirmed on a single observation section, but also the observation The point is that there is a three-dimensional deformation between the cross sections. Conventionally, it was thought that the deformation of the cross-section only affected the rips in the backing within the local area, but in the field, rifts of oblique or vertical orientation extending over several meters to tens of meters were observed. These are caused by the relative displacement between adjacent observation sections.

  In the well-known simulation of the type of tunnel lining tear, a two-dimensional or three-dimensional numerical model of the tunnel is constructed, and the external strain and stress conditions are provided to obtain the strain and stress distribution of the tunnel. At this time, continuum analysis is used, and a method is used in which the lining of the tunnel is described by the plastic composition ratio, and the portion that enters the plastic is regarded as the occurrence of a crack in the lining material. The simulation results are compared with the surface depression amount observed in the actual tunnel, the displacement inside the tunnel, or with the stress-strain curve observed in the scale model test of the tunnel indoors. , The certification of the numerical model can be performed. In other words, many of the well-known techniques confirm the accuracy of the numerical model through the stress-stress change curves at multiple points in the tunnel or through displacements at multiple locations within or above the tunnel. It is said that the location of the fracture is indicated by a cell that has entered the plastic zone in the numerical model.However, it is rare that a direct comparison between the simulation results and the actual type of the tunnel fracture is made. is there.

  A main object of the present invention is to provide an analysis method for obtaining a change in stress of a tunnel lining through a displacement amount, and the method includes steps S1, S2, and S3. In step S1, a simulation model is provided. The simulation model includes a three-dimensional tunnel unit, a plurality of different cross-sections as boundaries of the model, and its survey variables and displacement modes. In step S2, a relative displacement amount of the tunnel unit and a component amount of the displacement form are calculated based on the displacement amount measurement values of the plurality of cross sections, and a stress change value of the wall surface is obtained. In step S3, the wall surface stress change is compared with the crack distribution on the wall surface, and the calculated value of the relative displacement is corrected according to the situation, thereby obtaining a stress change matching the crack distribution.

  The present invention is an analysis method for obtaining a stress change of a lining of a tunnel through a displacement amount, wherein the wall surface is a lining wall surface, and the displacement amount is a change in a spatial position of the lining wall surface at different times. The cross-section is an observation cross-section of a target for measuring a displacement amount in a tunnel, the cross-section includes a plurality of observation points in a sufficient number to measure a deformation phenomenon of the tunnel, and the tunnel unit has two observation points. A set of changes in spatial position at different times of all observation points of the cross section is a cross-section displacement amount, a change amount of a specific cross-section is a displacement form, Results in a rigid cross-section motion and a cross-sectional deformation, and the displacement pattern corresponds to a known displacement amount and wall stress change. The cross-section rigid body motion includes a translation displacement form in which all the observation points coincide with each other and performs the same amount of movement, and a rotation displacement form in which all the observation points coincide with the center of the cross section and perform the same amount of rotation, The cross-sectional deformation displacement form is a uniform deformation displacement form in which the cross-section observation point expands or contracts relative to the cross-section center, a deformation deformation form in which the deformation relative to the cross-section center is elliptical, and a deformation corresponding to the cross-section center. Is a triangular deformation displacement form, the deformation relative to the cross-sectional center is a quadrilateral deformation displacement form, the deformation relative to the cross-section center is a pentagonal deformation deformation form, or the deformation relative to the cross-section center is multi-sided. It includes a plurality of types of displacements of the shape. And, in the tunnel in the three-dimensional space, the traffic direction is the axial direction, the gravity direction is the vertical direction, and the direction orthogonal to the axial direction and the vertical direction is the horizontal direction, and the rigid cross-sectional motion in the three-dimensional space is the axial direction. Includes translation, lateral translation, vertical translation, rotation relative to the axial direction, rotation relative to the horizontal axis, and rotation relative to the vertical axis.

  The present invention is an analysis method for obtaining a stress change of a tunnel lining based on a displacement amount, and step S1 includes steps S10, S11, S12, S13, S14, and S15. In step S10, an initial simulation model is constructed, and the simulation model includes a three-dimensional tunnel unit, a plurality of different cross sections as boundaries of the model, and its survey variables and displacement modes. In step S11, the cross-sectional displacement in the rigid body motion displacement mode is added to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit. In step S12, it is determined whether or not the survey variables and stress changes of the initial simulation model are equal. If not, the process proceeds to step S10, and if equal, step S13 is executed. In step S13, the sectional displacement amount of each deformation displacement mode is added to the boundary of the simulation model to obtain a stress change due to the deformation of the tunnel unit. In step S14, it is determined whether or not the survey variables and stress changes of the initial simulation model are equal. If not, the process proceeds to step S10, and if equal, step S15 is executed. In step S15, a simulation model is constructed based on the result of the displacement mode simulation.

  The present invention is an analysis method for obtaining a change in stress of a tunnel lining based on a displacement amount. Step S2 includes steps S20, S21, a first set of steps S22a, S23a, step S24a, and a second set of steps. Step S22b, Step S23b, Step S24b, and Step S25 after the execution of the first set step and / or the second set step. In step S20, the measured values of the displacements of the plurality of cross sections are obtained. In step S21, the displacement form components of the measured values of the displacements of the plurality of cross sections are obtained. In step S22a, based on the displacement configuration component, a configuration component of the displacement configuration belonging to the rigid body section motion is acquired. In step S23a, a relative rigid motion component of the tunnel unit is obtained based on the cross-sectional rigid motion as a boundary of the tunnel unit, and the type of the relative rigid motion is ordered based on the component. In step S24a, the survey variable of the simulation model is zero-adjusted, and the value of the relative rigid body motion is added to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit. In step S22b, based on the displacement configuration component, a configuration component of the displacement configuration belonging to the cross-sectional deformation is obtained. In step S23b, based on the cross-sectional deformation at the boundary of the tunnel unit, a deformation component of the tunnel unit is obtained, and the deformation modes are ordered based on the configuration. In step S24b, the survey variable of the simulation model is zero-adjusted, and at the same time, the value of the deformation mode is added to the boundary of the simulation model to obtain the stress change of the tunnel unit deformation. In step S25, it is determined whether or not the survey variables and the stress changes of the simulation model in step S24a are equal. If they are equal, step S3 is executed. If not, step S24a is executed. It is determined whether or not the survey variables and the stress changes of the simulation model are equal. If they are equal, step S3 is executed, and if not, step S24b is executed.

  The present invention is an analysis method for obtaining a change in stress of a tunnel lining through a displacement amount, and step S3 includes steps S30, S31, S32, S33, and S34. In step S30, the survey variable of the simulation model is zero-adjusted, the measured value of the sectional displacement of the boundary of the tunnel unit is added to the boundary of the simulation model, and the total amount of stress change caused by the measured value of the sectional displacement of the tunnel unit is calculated. Get. In step S31, it is determined whether or not the survey variables and stress changes of the initial simulation model are equal. If they are equal, step S32 is executed, and if not, step S34 is executed. In step S32, it is determined whether or not the position where the backing stress exceeds the strength matches the position of the backing tear. If they match, step S34 is executed, and if not, step S33 is executed. In step S33, the result of the analysis obtains that the backing stress is close to the strength and does not exceed the strength, and the amount of the relative rigid body motion of the six types and the boundary displacement amounts and the input order of the deformation amounts corresponding to the various types of deformation modes. Is reduced, and after the position where the backing stress exceeds the strength matches the position of the backing tear, step S30 is executed. In step S34, the result of analyzing the amount of increase and displacement of the backing stress of the tunnel unit is obtained.

  The present invention further provides an analysis device for determining a change in stress of a tunnel lining through a displacement amount, which includes a surveying unit and a processor unit. The surveying unit obtains a plurality of displacement measurement values of the cross section by measuring displacement amounts of a plurality of cross sections, and the processor unit is connected to the survey unit. The processor unit is a three-dimensional tunnel unit, a plurality of different cross-sections as boundaries of the model, and a simulation model including the measurement variables and displacement modes thereof, based on displacement measurement values of the plurality of cross-sections, The relative displacement amount and the constituent amount of the displacement form are calculated, and the value of the stress change of the wall surface is obtained. Thereafter, the wall stress change is compared with the crack distribution on the wall surface, and the calculated value of the relative displacement is corrected according to the situation to obtain a stress change matching the crack distribution.

  The present invention is an analyzer for obtaining a stress change of a lining of a tunnel through a displacement amount, wherein the wall surface is a lining wall surface, and the displacement amount is a change in a spatial position of the lining wall surface at different times. The cross-section is an observation cross-section of a target for measuring a displacement amount in a tunnel, the cross-section includes a plurality of observation points in a sufficient number to measure a deformation phenomenon of the tunnel, and the tunnel unit has two observation points. A set of changes in spatial position at different times of all observation points of the cross section is a cross-section displacement amount, a change amount of a specific cross-section is a displacement form, Results in a rigid cross-section motion and a cross-sectional deformation, and the displacement pattern corresponds to a known displacement amount and wall stress change. The cross-section rigid body motion includes a translation displacement form in which all the observation points coincide with each other and performs the same amount of movement, and a rotation displacement form in which all the observation points coincide with the center of the cross section and perform the same amount of rotation, The cross-sectional deformation displacement form is a uniform deformation displacement form in which the cross-section observation point expands or contracts relative to the cross-section center, a deformation deformation form in which the deformation relative to the cross-section center is elliptical, and a deformation corresponding to the cross-section center. Is a triangular deformation displacement form, the deformation relative to the cross-sectional center is a quadrilateral deformation displacement form, the deformation relative to the cross-section center is a pentagonal deformation deformation form, or the deformation relative to the cross-section center is multi-sided. It includes a plurality of types of displacements of the shape. And, in the tunnel in the three-dimensional space, the traffic direction is the axial direction, the gravity direction is the vertical direction, and the direction orthogonal to the axial direction and the vertical direction is the horizontal direction, and the rigid cross-sectional motion in the three-dimensional space is the axial direction. Includes translation, lateral translation, vertical translation, rotation relative to the axial direction, rotation relative to the horizontal axis, and rotation relative to the vertical axis.

  The present invention is an analysis apparatus for obtaining a stress change of a lining of a tunnel through a displacement amount. The simulation model includes a three-dimensional tunnel unit, a plurality of different cross sections as boundaries of the model, and measurement variables and displacement modes thereof. The construction includes the above-described steps S10 to S15.

  The present invention is an analysis device for obtaining a stress change of a lining of a tunnel through a displacement amount, and calculates a relative displacement amount of the tunnel unit and a constituent amount of the displacement form based on a plurality of cross-sectional displacement amount measurement values, Obtaining the value of the stress change on the wall surface includes the above-described steps S20 to S25.

  The present invention is an analyzer for obtaining a change in the stress of the backing of a tunnel through the amount of displacement, and when the determination result in step S24 is equal, compares the change in the stress on the wall surface with the distribution of cracks in the wall surface, Acquiring a stress change matching the split distribution by modifying the calculated value of the relative displacement accordingly includes the above-described steps S30 to S34.

  The present invention further provides an analysis system for determining a change in stress of a tunnel lining through a displacement amount, which includes a surveying device and a processor device. The surveying device obtains a plurality of displacement measurement values of the cross-section by measuring displacements of the plurality of cross-sections, and the processor device is connected to the surveying device. The processor device is a three-dimensional tunnel unit, a plurality of different cross-sections to be the boundary of the model, and a simulation model including its survey variables and displacement modes, based on the displacement amount survey values of the plurality of cross-sections, the tunnel unit of the tunnel unit The relative displacement amount and the constituent amount of the displacement form are calculated, and the value of the stress change of the wall surface is obtained. Thereafter, the wall stress change is compared with the crack distribution on the wall surface, and the calculated value of the relative displacement is corrected according to the situation to obtain a stress change matching the crack distribution.

  The present invention is an analysis system for obtaining a stress change of a lining of a tunnel through a displacement amount, wherein the wall surface is a lining wall surface, and the displacement amount is a change in a spatial position of the lining wall surface at different times. The cross-section is an observation cross-section of a target for measuring a displacement amount in a tunnel, the cross-section includes a plurality of observation points in a sufficient number to measure a deformation phenomenon of the tunnel, and the tunnel unit has two observation points. A set of changes in spatial position at different times of all observation points of the cross section is a cross-section displacement amount, a change amount of a specific cross-section is a displacement form, Results in a rigid cross-section motion and a cross-sectional deformation, and the displacement pattern corresponds to a known displacement amount and wall stress change. The cross-section rigid body motion includes a translation displacement form in which all the observation points coincide with each other and performs the same amount of movement, and a rotation displacement form in which all the observation points coincide with the center of the cross section and perform the same amount of rotation, The cross-sectional deformation displacement form is a uniform deformation displacement form in which the cross-section observation point expands or contracts relative to the cross-section center, a deformation deformation form in which the deformation relative to the cross-section center is elliptical, and a deformation corresponding to the cross-section center. Is a triangular deformation displacement form, the deformation relative to the cross-sectional center is a quadrilateral deformation displacement form, the deformation relative to the cross-section center is a pentagonal deformation deformation form, or the deformation relative to the cross-section center is multi-sided. It includes a plurality of types of displacements of the shape. And, in the tunnel in the three-dimensional space, the traffic direction is the axial direction, the gravity direction is the vertical direction, and the direction orthogonal to the axial direction and the vertical direction is the horizontal direction, and the rigid cross-sectional motion in the three-dimensional space is the axial direction. Includes translation, lateral translation, vertical translation, rotation relative to the axial direction, rotation relative to the horizontal axis, and rotation relative to the vertical axis.

  The present invention is an analysis system for obtaining a stress change of a lining of a tunnel through a displacement amount, and includes a three-dimensional tunnel unit, a plurality of different cross-sections serving as boundaries of the model, and measurement variables and displacement modes of the simulation model. The construction includes the above-described steps S10 to S15.

  The present invention is an analysis system for obtaining a stress change of a tunnel lining through a displacement amount, and calculates a relative displacement amount of the tunnel unit and a constituent amount of the displacement form based on a plurality of displacement measurement values of the cross section, Obtaining the value of the stress change on the wall surface includes the above-described steps S20 to S25.

  The present invention is an analysis system for obtaining a change in stress of the backing of a tunnel through the amount of displacement. If the determination result in step S24 is equal, the change in wall surface stress is compared with the distribution of cracks in the wall surface. Acquiring a stress change matching the split distribution by modifying the calculated value of the relative displacement accordingly includes the above-described steps S30 to S34.

  The “Summary of the Invention” described above does not limit the scope of the present invention, and specific contents of various analyzes and tests of the present invention are described in detail in “Description of the Invention” below. Is done.

FIG. 4 is a diagram illustrating a relationship between a definition of three-dimensional coordinates and a tunnel space according to the present invention. 4 is a flowchart of a simulation method for causing a change in stress on a wall surface by a displacement amount according to the present invention. It is a figure showing the amount of displacement of a plurality of sections in an arbitrary tunnel, and the relative displacement of a tunnel unit. 5 is a flowchart of further steps included in step S1. It is a construction drawing of the observation section before and after the tunnel unit. It is a figure which shows various displacement forms including six types of rigid body motion displacement forms and partial deformation displacement forms. It is a figure showing distribution of forced displacement in a simulation model. 5 is a flowchart of further steps included in step S2. It is a flowchart of the further step which step S3 contains. It is a figure which illustrates the type of the backing tear caused by the survey variable of various displacement forms. It is a figure which illustrates the type of the backing tear caused by the survey variable of various displacement forms. It is a figure which illustrates the simulation and actual result of the backing tear caused by the relative motion of the observation section before and after in the tunnel unit. It is a block diagram of the analysis device which calculates | requires the stress change of the lining of a tunnel through the amount of displacement in this invention. It is a block diagram of the analysis system which calculates | requires the stress change of the lining of a tunnel through the amount of displacement in this invention.

  In order to contribute to the understanding of the technical contents, objects, and effects of the present invention, specific examples will be described below with reference to the accompanying drawings.

  FIG. 1 is a diagram showing the relationship between the definition of three-dimensional coordinates and the tunnel space in the present invention.

  FIG. 2 is a flowchart of a simulation method according to the present invention for causing a change in stress on a wall surface by a displacement amount, and includes steps S1 to S3. In step S1, a simulation model is provided, and the simulation model includes a three-dimensional tunnel unit, a plurality of different cross-sections bordering the model, and its survey variables and displacement modes. In particular, in step S1, a numerical test model can be constructed and adjusted, the three-dimensional model can be a tunnel unit, and the wall can be a lining wall of a tunnel. The survey variable can be a cross-sectional displacement, and more specifically, a displacement of various displacement modes. FIG. 3 is a diagram when a simulation model, a cross-section displacement measurement value, and the like are constructed by acquiring a plurality of different observation cross-sections.

  In step S2, a relative displacement amount of the tunnel unit and a component amount of the displacement form are calculated based on the displacement amount measurement values of the plurality of cross sections, and a stress change value of the wall surface is obtained. In particular, in step S2, a displacement form component of the plurality of observation section displacements is calculated, and a relative displacement of a tunnel unit between the plurality of observation sections is calculated based on the plurality of displacement section components. Then, the displacement measurement value is added to the boundary of the simulation model, and a stress change generated by the plurality of relative displacements is obtained.

  In step S3, the wall surface stress change is compared with the crack distribution on the wall surface, and the calculated value of the relative displacement is corrected according to the situation, thereby obtaining a stress change matching the crack distribution. In particular, in step S3, it is possible to adjust the simulation model based on whether or not the wall surface stress change is uniform and the actual crack distribution of the tunnel, and obtain the amount of backing stress change matching the crack distribution.

  FIG. 4 is a flowchart of further steps included in step S1. As shown in FIG. 4, step S1 includes steps S10 to S15. In step S10, an initial simulation model can be constructed, and the simulation model includes a three-dimensional tunnel unit, a plurality of different cross sections as boundaries of the model, and its survey variables and displacement modes. In particular, the construction / adjustment of the numerical model should take into account at least the geometrical shape of the tunnel, the structure and the arrangement position of the observation cross section, the size of the cell, and the like. The survey variable and the displacement form are, for example, the translation in the axial direction, the translation in the lateral direction, the translation in the vertical direction, the rotation in the axial direction, and the rotation in the lateral direction in FIG. , Rotation relative to the vertical axis, uniform deformation displacement, elliptical deformation, triangle deformation, four-sided deformation, five-sided deformation, and the like.

  In step S11, the cross-sectional displacement amount of each of the rigid body motion displacement modes is added to the boundary of the simulation model, and a stress change of the relative rigid body motion of the tunnel unit can be obtained. In particular, adding the amount of displacement in the displacement mode to the model boundary, that is, fixing one end (far end) of the boundary of the numerical model, and adding the unit displacement value of the simulation to the other end (near end) The result of the displacement of the tunnel lining can then be read. More specifically, in the present invention, the adjacent observation cross section is a tunnel unit, and one end of the tunnel unit is a fixed end and the displacement is forcibly set to zero, thereby calculating the relative displacement of the adjacent observation cross section, and It is assumed that the displacement between the observation sections exhibits a linear distribution (see FIGS. 5 and 7). By simulating the lining rupture by inputting the relative motion of the observation cross section before and after the tunnel unit into the numerical model, and having displacement and rupture observations for a number of periods, the numerical model was inspected again through the above observation results, Corrections, etc., as well as predictions for possible displacements and tear trends (see FIGS. 10A and 10B, FIG. 11).

  In step S12, it can be determined whether or not the survey variables and stress changes of the initial simulation model are equal. If not, the process proceeds to step S10, and if equal, step S13 is executed. In particular, for a numerical model, it is possible to inspect whether the displacement of the tunnel wall surface and the change in stress between the tunnel wall surface and the surrounding rock are uniform.

  In step S13, a displacement value of the deformation of the tunnel unit can be obtained by adding the displacement value of the deformation displacement mode to the boundary of the simulation model. In particular, the far end of the boundary of the numerical model is fixed in a required manner, and the near end is applied with, for example, uniform compression, an elliptical shape, a triangular shape, a deformation amount such as a four-sided deformation amount, and a tunnel wall displacement and The state of the stress change can be read.

  In step S14, it is determined whether or not the conditions to be applied to the boundary between the deformation mode and the simulation model match. If they do not match, the process proceeds to step S10, and if they do match, step S2 is executed. In particular, for a numerical model, it is possible to inspect whether the displacement of the tunnel wall surface and the change in stress between the tunnel wall surface and the surrounding rock are uniform.

  FIG. 8 is a flowchart of further steps included in S2. As shown in FIG. 8, step S2 includes steps S20 to S21, steps S22a to S24a, and steps S22b to S24b. In step S20, the measured values of the displacements of the plurality of cross sections are obtained, and more specifically, the measured values of the displacements of the plurality of cross sections can be obtained based on a highly accurate tunnel displacement observation technique. In particular, the displacement measurement value of the tunnel section can be calculated based on the three-dimensional spatial coordinate measurement value of the tunnel observation section.

  In step S21, a displacement configuration component of a plurality of measurement values of the displacement of the cross section is obtained, and more specifically, a displacement configuration component can be obtained based on the displacement measurement value of the cross section. In particular, it is possible to calculate the constituent amount of the displacement form based on the displacement measurement value observed on the observation section.

  In step S22a, based on the displacement configuration component, a configuration component of the displacement configuration belonging to the cross-section rigid body motion can be obtained. In particular, axial translation, lateral translation, vertical translation, rotation relative to the axial direction, rotation relative to the horizontal direction, rotation relative to the vertical axis in the displacement configuration of the cross-sectional displacement measurement value Six different types of displacement modes can obtain the magnitude of the numerical value of the constituent quantity corresponding thereto.

  In step S23a, a relative rigid motion component of the tunnel unit is obtained based on the cross-sectional rigid motion as a boundary of the tunnel unit, and the type of the relative rigid motion is ordered based on the component. More specifically, the relative rigid motion form component of the tunnel unit can be obtained based on the rigid motion displacement form component of the two cross sections at the boundary of the tunnel unit, and based on the magnitude of the component. The types of the relative rigid body motion are ordered. In particular, it is possible to obtain the rigid momentum value with reference to the cross section of them, and to order the values of the six relative rigid motion displacements of the tunnel unit by magnitude.

  In step S24a, the survey variable of the simulation model is zero-adjusted, and the value of the relative rigid body motion is added to the boundary of the simulation model, so that a stress change of the relative rigid body motion of the tunnel unit can be obtained. More specifically, the measurement variables of the simulation model can be adjusted to zero, and a displacement value corresponding to the relative rigid motion form component of the tunnel unit can be added to the boundary of the simulation model. In particular, the displacement of the numerical model can be zero-adjusted and a displacement value corresponding to the relative rigid body motion displacement mode with respect to the boundary of the numerical model can be added. In other words, the rigid motion displacement pattern which occupies the largest component of the cross-sectional displacement measured value starts with the component of the rigid motion displacement pattern, and the corresponding displacement value is sequentially added to the boundary of the numerical model.

  Further, in step S22b, the constituent amount of the displacement mode belonging to the cross-sectional deformation can be obtained based on the displacement mode constituent amount. In particular, in the displacement configuration of the cross-sectional displacement measurement value, a uniform deformation displacement mode that expands or contracts relative to the center of the cross section, an elliptical deformation mode relative to the center of the cross section, and a triangle that deforms relative to the center of the cross section , The deformation relative to the center of the cross section is a quadrilateral, the deformation relative to the center of the cross section is a pentagon, or the deformation relative to the center of the cross section is a polygon. The magnitude of the numerical value of the component corresponding to the displacement mode can be obtained.

  In step S23b, based on the cross-sectional deformation at the boundary of the tunnel unit, a deformation component of the tunnel unit is obtained, and the deformation modes are ordered based on the configuration. Furthermore, it is possible to obtain the deformation component of the tunnel unit based on the deformation displacement configuration components of the two cross sections at the boundary of the tunnel unit, and to change the deformation configuration based on the magnitude of the configuration component. Order. In particular, it is possible to obtain a result in which a plurality of types of displacements of the tunnel unit are ordered by size.

  In step S24b, the survey variable of the simulation model is zero-adjusted, and at the same time, the value of the deformation mode is added to the boundary of the simulation model to obtain the stress change of the tunnel unit deformation. More specifically, the measurement variables of the simulation model can be zero-adjusted, and the displacement value corresponding to the deformation component of the tunnel unit can be added to the boundary of the simulation model. In particular, the displacement of the numerical model can be zero-adjusted, and a displacement value corresponding to the deformation mode can be added to the boundary of the simulation model based on the size of the component of the deformation model and the boundary of the simulation model. . A displacement corresponding to the deformation is added to the boundary of the simulation model in order from the deformation having the largest component and toward the deformation having the smallest ratio. In particular, based on the boundary and the backing deformation constituent, the displacement corresponding to the deformation is added to the boundary of the model, and the deformation corresponding to the form is calculated in order from the deformation with the largest actual ratio. Add to

In the case of a circular tunnel, for example, when the first survey is performed, the absolute coordinates of each observation point of two cross sections A and B are acquired. In each section, the center position of the section is calculated through the absolute coordinates of the observation point. And subtract the value of the first term from the observation value measured in the survey of the second term, or subtract the value of the second term from the observation value measured in the survey of the first term, and further from the observation value of the A section The value of section B is subtracted, or the value of section A is subtracted from the observed value of section B. As a result, the state of the change of each observation point of the A section in the two survey periods relative to each observation point of the B section is obtained, and (?? _??, ?? _??, ?? _?? ) ^{AB , 12} . The displacement of the cross section is divided into rigid motion and deformation, and the rigid motion is further divided into two types, rigid translation motion and rigid rotational motion.

  To be more specific, derived from the concept of disassembly displacement, translation in the axial unit, translation in the lateral unit, translation in the vertical direction, rotation in the axial direction, rotation in the horizontal direction, rotation in the vertical axis Relative to the center of the cross-section of six types of rigid body motions such as rotation, more uniform deformation displacement, elliptical deformation, three-sided deformation, four-sided deformation, and five-sided deformation However, different boundary conditions are given to each of these types of displacement types, and the stress changes and crack types of the tunnel wall surface caused by each of these types are searched for. . In the case of rigid translation, a forcible displacement of one unit length is applied evenly to the front section of the enclosure rock model, ie, the front section is forcibly and evenly axially (Y-axis) and transversely (X-axis). Is moved in the vertical direction (Z-axis), and the side surface is supposed to be gradually displaced linearly, and the displacement between the front and rear cross sections is continuously distributed (FIG. 7 (a) shows the horizontal translation Is an example). In the case of rigid body rotation, it is assumed that the front section rotates around the X axis, the Y axis and the Z axis, respectively, and that the side faces are gradually displaced linearly, and the front and rear sections are connected (FIG. 7). (B) shows an example of a rotation around the Z-axis). In the case of deformation, a forcible displacement is applied to both the front and rear cross sections, and the displacement of the side surface is evenly distributed (FIG. 7 (c) shows an example of an elliptical deformation). It is assumed that a lateral displacement is applied and the side surface is gradually and linearly displaced, and the front and rear cross sections are connected. Boundary conditions are provided on the front and back sections of the lining and surrounding rock models. Briefly, the wall surface is a backing wall surface, the displacement amount is a change in spatial position of the backing wall surface at different times, and a cross section is an observation cross section of a measurement target for measuring a displacement amount in a tunnel. Wherein the cross section includes a plurality of observation points in a sufficient number to measure the deformation phenomenon of the tunnel, and the tunnel unit is a tunnel range bounded by two tunnel observation cross sections, and the entire observation of the cross section is performed. The set of spatial position changes at different times of the points is the cross-sectional displacement, the specific cross-sectional change is the displacement form, the displacement form is a cross-section rigid body motion and a cross-sectional deformation, and the displacement form is a known displacement And changes in wall stress. The cross-section rigid body motion includes a translation displacement form in which all the observation points coincide with each other and performs the same amount of movement, and a rotation displacement form in which all the observation points coincide with the center of the cross section and perform the same amount of rotation, The cross-sectional deformation displacement form is a uniform deformation displacement form in which the cross-section observation point expands or contracts relative to the cross-section center, a deformation deformation form in which the deformation relative to the cross-section center is elliptical, and a deformation corresponding to the cross-section center. Is a triangular deformation displacement form, the deformation relative to the cross-sectional center is a quadrilateral deformation displacement form, the deformation relative to the cross-section center is a pentagonal deformation deformation form, or the deformation relative to the cross-section center is multi-sided. It includes a plurality of types of displacements of the shape. And, in the tunnel in the three-dimensional space, the traffic direction is the axial direction, the gravity direction is the vertical direction, and the direction orthogonal to the axial direction and the vertical direction is the horizontal direction, and the rigid cross-sectional motion in the three-dimensional space is the axial direction. Includes translation, lateral translation, vertical translation, rotation relative to the axial direction, rotation relative to the horizontal axis, and rotation relative to the vertical axis.

  In step S25, it can be determined whether or not the survey variables and the stress changes of the simulation model in step S24a are equal. If they are equal, step S3 is executed. If not, step S24a is executed. It can be determined whether or not the survey variables and stress changes of the simulation model in step S24b are equal. If they are equal, step S3 is executed, and if not, step S24b is executed.

  In step S30, the survey variable of the simulation model is zero-adjusted, the measured value of the sectional displacement of the boundary of the tunnel unit is added to the boundary of the simulation model, and the change of the stress caused by the measured value of the sectional displacement of the tunnel unit is calculated. Get the total amount. In particular, it is possible to calculate the amount of change in wall stress caused by the measured cross-sectional displacement.

  In step S31, it can be determined whether the survey variables and the stress changes of the initial simulation model are equal. If they are equal, step S32 is executed, and if not, step S34 is executed.

  Step S3 described above may reach step S34 in different situations. As a first situation, if the result of step S31 is not uniform, the result of analyzing the increase and displacement of the backing stress of the tunnel unit is obtained. The second situation is that the result of step S31 is uniform, and if the position where the backing wall stress exceeds the strength in step S32 matches the position of the backing tear, the backing stress of the tunnel unit is matched. The result of analyzing the amount of increase and the amount of displacement is obtained. As a third situation, when the result of step S31 is equal and the result of step S32 does not match, by executing step S33, the result of the analysis indicates that the backing stress is lower. Acquisition that is close to the strength and does not exceed the strength, reduces the amount of relative rigid body motion of six types and the boundary displacement amount corresponding to various types of deformation, the input order of deformation amount, the backing stress exceeds the strength Step S30 is executed after the position to be breached and the position of the backing tear match. Furthermore, the stress can exceed the strength of the backing wall, approach the strength of the wall material, or obtain the spatial position of the wall equal to the strength of the wall material, and obtain a plurality of opposing surveys. By reducing the variable and the value of the sectional displacement amount corresponding to the displacement form, the reduced displacement form sectional displacement amount is added to the boundary of the simulation model, and this is applied until the wall stress becomes smaller than the strength of the wall material. Or until the position where the wall stress becomes larger than the strength of the wall material and the position of the backing tear match. In particular, the analysis result that the backing stress is close to and does not exceed the strength of the wall material is obtained, and the six relative unit displacement amounts and the boundary displacement amounts corresponding to the deformation modes and the deformation amount input order are reduced, This is performed until the wall stress becomes smaller than the strength of the wall material, or until the position where the backing stress exceeds the strength of the wall material and the position of the backing tear match. Examples of the types of backing tears caused by survey variables are shown in FIGS. 10A and 10B. FIG. 11 shows a comparison result between the simulation example and the actual example of the backing tear caused by the relative movement of the observation section before and after in the tunnel unit.

  FIG. 12 is a block diagram of an analysis apparatus for obtaining a change in stress of a tunnel lining through a displacement amount according to the present invention. The analysis device 1 for obtaining a change in stress of a tunnel lining through a displacement amount includes a surveying unit 10 and a processor unit 11.

  The surveying unit 10 obtains displacement measurement values of the plurality of cross sections by measuring the displacement amounts of the plurality of cross sections.

  The processor unit 11 is connected to the surveying unit 10 and displaces the plurality of cross sections by the simulation model including the three-dimensional tunnel unit, the plurality of different cross sections serving as boundaries of the model, and the survey variables and displacement modes. The relative displacement amount of the tunnel unit and the component amount of the displacement form are calculated based on the measured values, and the value of the stress change of the wall surface is obtained. Thereafter, the wall stress change is compared with the crack distribution on the wall surface, and the calculated value of the relative displacement is corrected according to the situation to obtain a stress change matching the crack distribution.

  The processor unit 11 can be a circuit, a wafer, a CPU, an SOC, a microprocessor, or a combination thereof. Note that A, B, C or a combination thereof is a combination of at least two of A, B, and C, for example, A + B, A + C, B + C, A + B + C.

  In particular, the construction of the simulation model including the three-dimensional tunnel unit, a plurality of different cross-sections as boundaries of the model, and its survey variables and displacement modes may include the above-described steps S10 to S15.

  Calculating the relative displacement amount of the tunnel unit and the constituent amount of the displacement form based on the displacement measurement values of the plurality of cross sections, and obtaining the value of the stress change of the wall surface is performed by the above-described steps S20 to S25. After the step S21, a first grouping step (steps S22a to S24a) and a second grouping step (steps S22b to S24b) are divided, and the first grouping step and / or the second grouping step are performed. Is performed, step S25 is executed, and step S24a and / or steps S24b to S25 are executed again according to the determination result.

  If the determination result in step S24 is equal, the change in the wall surface is compared with the distribution of the cracks in the wall surface, and the calculated value of the relative displacement is corrected according to the situation to match the distribution of the cracks. Obtaining the required stress change includes the above-described steps S30 to S34.

  It should be noted that the connection may be an electrical connection, a quantum coupling (quantum entanglement), and / or a connection method capable of transmitting and instructing a signal, such as an optical wiring. The other detailed contents of the analyzer 1 for obtaining the change in stress of the tunnel lining through the displacement amount are as already described in detail, and will not be further described.

  FIG. 13 is a block diagram of an analysis system according to the present invention for obtaining a change in stress of a tunnel lining through a displacement amount. The analysis system 2 for obtaining a change in stress of a tunnel lining through a displacement amount includes a surveying device 20 and a processor device 21. At least some of the functions of the surveying device 20 and the processor device 21 correspond to the above-described surveying unit 10 and processor unit 11, respectively. The processor device 21 may be a circuit, a wafer, a CPU, an SOC, a microprocessor, or a combination thereof, and the processor device 21 may be a server, a cloud computing, a supercomputer, a host computer, or the like having processing and / or storage functions. The processor device 21 can be connected to the surveying device 20 by wire and / or wirelessly.

  Summarizing the above, according to the present invention, two important indices of tunnel deterioration, namely, the interaction between the displacement and the fracture are arranged, and the induced stress, strain distribution and fracture type of the backing are obtained by inputting the displacement observation result. Then, a numerical model of the displacement-rip mechanism is obtained by inspecting and correcting the actual observation data. Thus, through the present invention, the effective reinforcement process is simulated by predicting the tendency of the crack to progress under long-term observation, the soundness and safety of the tunnel are evaluated, and practical advice on the maintenance of the tunnel is provided. Will be provided.

  Various modifications of the invention can be made by those skilled in the art, and all of them are included in the protection scope of the appended claims.

1 Analyzing device 10 for obtaining stress change in tunnel lining based on displacement amount Surveying unit 11 Processor unit 2 Analyzing system 20 for obtaining stress change in tunnel lining based on displacement amount Surveying device 21 Processor device S1 Steps S10 to S15 Step S2 Step S20, S21, S22a to S24a, S22b to S24b, S25 Step S3 Step S30 to S34 Step

Claims (15)

This is an analysis method to find the stress change of the tunnel lining through the displacement amount.
Providing a simulation model, wherein the simulation model includes a three-dimensional tunnel unit, a plurality of different cross-sections that border the model, and its survey variables and displacement modes;
Calculating a relative displacement amount of the tunnel unit and a component amount of the displacement mode based on the displacement measurement values of the plurality of cross sections, and obtaining a stress change value of the wall surface;
Comparing the wall stress change with the crack distribution of the wall surface, and correcting the calculated value of the relative displacement amount according to the situation, thereby obtaining a stress change matching the crack distribution. Analysis method to determine the change in stress on the backing of a tunnel through the amount of displacement.   The wall surface is a backing wall surface, the displacement amount is a change in spatial position of the backing wall surface at different times, a cross section is an observation cross section of a target for measuring a displacement amount in a tunnel, and the cross section is Contains a plurality of observation points of sufficient quantity to measure the deformation phenomenon of the tunnel, the tunnel unit is a tunnel area bounded by two tunnel observation cross sections, and at different times of all the observation points of the cross section. The set of changes in spatial position is the cross-sectional displacement, the specific cross-sectional change is the displacement form, the displacement form is the cross-sectional rigid body motion and the cross-sectional deformation, and the displacement form is a known displacement amount and wall stress change. Corresponding, rigid body movement in cross-section, translational displacement form in which all the observation points coincide and perform equivalent movement, and rotation in which all the observation points coincide with the center of the section and perform equivalent rotation Including displacement mode , The cross-sectional deformation displacement form is a uniform deformation displacement form in which the cross-section observation point expands or contracts relative to the cross-sectional center, the deformation relative to the cross-sectional center is an elliptical deformation displacement form, and the deformation is relative to the cross-sectional center. Is a triangular deformation displacement form, the deformation relative to the cross-section center is a quadrilateral deformation deformation form, the deformation relative to the cross-section center is a pentagonal deformation deformation form, and the deformation relative to the cross-section center is a polygonal deformation. Including a plurality of types of deformation modes of deformation deformation mode, and in a tunnel in a three-dimensional space, the traffic direction is the axial direction, the gravity direction is the vertical direction, and the direction orthogonal to the axial direction and the vertical direction is the horizontal direction, Rigid cross-sectional motion in three-dimensional space includes axial translation, lateral translation, vertical translation, axial-facing rotation, lateral-facing rotation, and vertical-facing rotation DOO characterized, analysis method for determining the change in stress backing tunnel through displacement of the claim 1. The provision of a simulation model including a three-dimensional tunnel unit, a plurality of different cross sections to be the boundaries of the model, and its survey variables and displacement modes,
Constructing an initial simulation model, and wherein the simulation model includes a three-dimensional tunnel unit, a plurality of different cross-sections bordering the model, and its survey variables and displacement forms;
Adding a sectional displacement amount of each rigid body motion displacement form to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit;
Determine whether the survey variables and stress changes of the initial simulation model are equal, and if not, construct the initial simulation model and use the simulation model as the boundary between the three-dimensional tunnel unit and the model. A plurality of different cross-sections, including their survey variables and displacement forms, if equal, add the cross-sectional displacement amount of each deformation displacement form to the boundary of the simulation model, to obtain a stress change of the deformation of the tunnel unit,
Determine whether the survey variables and stress changes of the initial simulation model are equal, and if not, construct the initial simulation model and use the simulation model as the boundary between the three-dimensional tunnel unit and the model. The displacement according to claim 1, comprising a step of constructing a simulation model based on a result of the displacement mode simulation, including a plurality of different cross sections and their survey variables and displacement modes. An analysis method to determine the change in stress of the tunnel lining through the amount. Calculating a relative displacement amount of the tunnel unit and a component amount of the displacement form based on the displacement amount measurement values of the plurality of cross sections, and obtaining a value of a stress change of the wall surface,
Obtaining a measurement of the displacement of the plurality of cross sections;
Obtaining a displacement morphological component of the measured values of the displacements of the plurality of cross sections;
The first set of steps,
A second set of steps,
A step after the first set step and / or the second set step,
The first set of steps comprises:
Based on the displacement form component, obtaining a component of the displacement form belonging to the cross-sectional rigid body motion,
Obtaining a relative rigid motion component of the tunnel unit based on the cross-sectional rigid motion as a boundary of the tunnel unit, and ordering the type of the relative rigid motion based on the component;
Zeroing the survey variable of the simulation model, and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit;
The second set step comprises:
Based on the displacement form component, obtaining a component of the displacement form belonging to the cross-sectional deformation,
Obtaining a deformation component of the tunnel unit based on the cross-sectional deformation as a boundary of the tunnel unit, and ordering the deformation modes based on the component;
Zero-adjusting the survey variables of the simulation model, and simultaneously adding the value of the deformation mode to the boundary of the simulation model to obtain a stress change of the tunnel unit deformation, the first set step and / or the second Zeroing the survey variable of the simulation model and adding the value of the relative rigid body motion to a boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit after the assembling step. Judge whether the survey variable and the stress change of the simulation model are equal, and if they are equal, compare the wall stress change with the crack distribution of the wall, and calculate the relative displacement according to the situation. To obtain a stress change that matches the split distribution and must be uniform. For example, zeroing the survey variables of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain a change in stress of the relative rigid body motion of the tunnel unit, and Zeroing the variables, and simultaneously adding the value of the deformation mode to the boundary of the simulation model, and determining whether the survey variables and the stress changes of the simulation model in the step of obtaining the stress change of the tunnel unit deformation are equal. If, evenly, comparing the wall stress change and the crack distribution of the wall surface, by correcting the calculated value of the relative displacement amount according to the situation, to obtain a stress change matching the crack distribution, If not, zero the survey variables of the simulation model and at the same time The addition to the boundary of the simulation model, characterized in that it is a step of obtaining a stress change of the tunnel unit deformation analysis method for determining the change in stress backing tunnel through displacement of the claim 1. Zeroing the survey variable of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain the stress change of the relative rigid body motion of the tunnel unit, The determination of whether the changes are equal, and the step of zeroing the survey variables of the simulation model and simultaneously adding the value of the deformation form to the boundary of the simulation model to obtain the stress change of the tunnel unit deformation. If the result is equal, the stress change on the wall is compared with the crack distribution on the wall, and the calculated value of the relative displacement is corrected according to the situation, so that the stress change matching the crack distribution is obtained. To get
Zeroing the survey variables of the simulation model, adding the measured value of the cross-sectional displacement at the boundary of the tunnel unit to the boundary of the simulation model, and obtaining the total amount of stress change caused by the measured value of the cross-sectional displacement of the tunnel unit. When,
Judging whether the survey variables and stress changes of the initial simulation model are equal, and performing the following steps if they are equal, and obtaining the analysis of the increase and displacement of the tunnel unit backing stress if they are not equal. When,
Judge whether the position where the backing stress exceeds the strength and the position of the backing split are matched, and if matched, obtain the analysis of the increase and displacement of the tunnel unit backing stress, and if not matched, the following: Performing the steps;
As a result of the analysis, it is obtained that the backing stress is close to the strength and does not exceed the strength, the amount of the relative rigid body motion of six types and the boundary displacement corresponding to the various types of deformation, the order of inputting the amount of deformation are reduced. After the position where the backing stress exceeds the strength and the position of the backing split are matched, the survey variable of the simulation model is zero-adjusted, and the measured value of the cross-sectional displacement of the boundary of the tunnel unit is added to the boundary of the simulation model. 5. The method according to claim 4, further comprising: obtaining a total amount of a stress change caused by a cross-sectional displacement measurement value of the tunnel unit. This is an analyzer that calculates the stress change of the tunnel lining through the amount of displacement.
A surveying unit that acquires displacement measurement values of the plurality of cross sections by measuring displacement amounts of a plurality of cross sections,
Connected to the surveying unit, and a three-dimensional tunnel unit, a plurality of different cross-sections serving as boundaries of the model, and a simulation model including its surveying variables and displacement forms, based on displacement measurement values of the plurality of cross-sections. Calculate the relative displacement amount of the tunnel unit and the constituent amount of the displacement form, and obtain the value of the stress change of the wall surface, and then compare the wall surface stress change with the crack distribution of the wall surface, and if necessary, An analysis apparatus for obtaining a stress change in a lining of a tunnel through a displacement amount, the processor comprising: a processor unit that obtains a stress change matching the crack distribution by correcting a calculated value of the displacement amount.   The wall surface is a backing wall surface, the displacement amount is a change in spatial position of the backing wall surface at different times, a cross section is an observation cross section of a target for measuring a displacement amount in a tunnel, and the cross section is Contains a plurality of observation points of sufficient quantity to measure the deformation phenomenon of the tunnel, the tunnel unit is a tunnel area bounded by two tunnel observation cross sections, and at different times of all the observation points of the cross section. The set of changes in spatial position is the cross-sectional displacement, the specific cross-sectional change is the displacement form, the displacement form is the cross-sectional rigid body motion and the cross-sectional deformation, and the displacement form is a known displacement amount and wall stress change. Corresponding, rigid body movement in cross-section, translational displacement form in which all the observation points coincide and perform equivalent movement, and rotation in which all the observation points coincide with the center of the section and perform equivalent rotation Including displacement mode , The cross-sectional deformation displacement form is a uniform deformation displacement form in which the cross-section observation point expands or contracts relative to the cross-sectional center, the deformation relative to the cross-sectional center is an elliptical deformation displacement form, and the deformation is relative to the cross-sectional center. Is a triangular deformation displacement form, the deformation relative to the cross-section center is a quadrilateral deformation deformation form, the deformation relative to the cross-section center is a pentagonal deformation deformation form, and the deformation relative to the cross-section center is a polygonal deformation. Including a plurality of types of deformation modes of deformation deformation mode, and in a tunnel in a three-dimensional space, the traffic direction is the axial direction, the gravity direction is the vertical direction, and the direction orthogonal to the axial direction and the vertical direction is the horizontal direction, Rigid cross-sectional motion in three-dimensional space includes axial translation, lateral translation, vertical translation, axial-facing rotation, lateral-facing rotation, and vertical-facing rotation DOO characterized, analyzer for determining the change in stress lining of the tunnel through the displacement according to claim 6.   The three-dimensional tunnel unit, a plurality of different cross-sections to be the boundary of the model, the construction of a simulation model including its survey variables and displacement forms, build an initial simulation model, and the simulation model is a three-dimensional tunnel unit, A step including a plurality of different cross-sections as model boundaries, their survey variables and displacement modes, and adding a cross-sectional displacement amount of each of the rigid-body motion-displacement modes to the boundary of the simulation model; Obtaining a change, determining whether the survey variables and stress changes of the initial simulation model are equal, if not, constructing the initial simulation model, and the simulation model is a three-dimensional tunnel unit; A number of different cross-sections as boundaries of the model and their And, if equal, adding the cross-sectional displacement amount of the deformation displacement form to the boundary of the simulation model to obtain a stress change due to the deformation of the tunnel unit; and Judge whether the changes are equal or not, construct the initial simulation model, and if the simulation model is a three-dimensional tunnel unit, a plurality of different cross-sections as boundaries of the model, and their survey variables And constructing a simulation model based on the result of the displacement form simulation, if equal, the stress change in the lining of the tunnel through the displacement amount according to claim 6. An analyzer for finding   Calculating the relative displacement amount of the tunnel unit and the component amount of the displacement mode based on the displacement amount measurement values of the plurality of cross sections, and obtaining the value of the stress change of the wall surface, Obtaining a survey value; obtaining a displacement morphological component of the survey values of the displacements of the plurality of cross sections; a first set step and / or a second set step; and the first set step and / or the A step after the second set step, wherein the first set step obtains a component of a displacement mode belonging to a cross-sectional rigid body motion based on the displacement mode component, and sets a boundary of the tunnel unit. Obtaining a relative rigid motion component of the tunnel unit based on the cross-sectional rigid motion, and ordering the type of the relative rigid motion based on the component; Zero-adjusting the survey variable of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit. The step is based on the displacement form constituent quantity, the step of obtaining the constituent quantity of the displacement form belonging to the cross-sectional deformation, Based on the cross-sectional deformation to be the boundary of the tunnel unit, to obtain the deformation constituent quantity of the tunnel unit, And ordering the deformations based on the constituent quantities; zeroing the survey variables of the simulation model; and simultaneously adding the values of the deformations to the boundaries of the simulation model to obtain a stress change of the tunnel unit deformation. And after the first set step and / or the second set step Zeroing the survey variables of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit. It is determined whether the survey variables and the stress changes are equal, and if they are equal, the wall stress change is compared with the crack distribution on the wall, and the calculated value of the relative displacement is corrected according to the situation. Then, a stress change matching the crack distribution is obtained, and if not uniform, the survey variable of the simulation model is zero-adjusted, and the value of the relative rigid body motion is added to the boundary of the simulation model, and the Obtain the relative rigid body motion stress change, as well as perform the steps after this step again, and Zeroing the survey variable of the simulation model, and simultaneously adding the value of the deformation mode to the boundary of the simulation model, and obtaining the stress change of the deformation of the tunnel unit so that the survey variable and the stress change of the simulation model are equal. Determine whether or not, if equal, compare the wall stress change and the crack distribution of the wall, and correct the calculated value of the relative displacement amount according to the situation, match the crack distribution Acquire the stress change, if not equal, zero the survey variables of the simulation model, and at the same time add the value of the deformation form to the boundary of the simulation model, obtain the stress change of the tunnel unit deformation, and 7. The method according to claim 6, wherein a step after the step is performed again. Analyzer for determining the change in stress lining of the tunnel through the displacement.   Zeroing the survey variable of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain the stress change of the relative rigid body motion of the tunnel unit, The determination of whether the changes are equal, and the step of zeroing the survey variables of the simulation model and simultaneously adding the value of the deformation form to the boundary of the simulation model to obtain the stress change of the tunnel unit deformation. If the result is equal, the stress change on the wall is compared with the crack distribution on the wall, and the calculated value of the relative displacement is corrected according to the situation, so that the stress change matching the crack distribution is obtained. To zero the survey variables of the simulation model, Adding a measured value of the sectional displacement at the boundary of the tunnel unit to the boundary of the simulation model to obtain a total amount of the stress change caused by the measured value of the sectional displacement of the tunnel unit; Judge whether is equal or not, perform the following steps if it is equal, otherwise obtain the analysis of the increase and displacement of the tunnel unit backing stress if not equal, and the backing stress exceeds the strength Judgment whether the position and the backing tear position match or not, if it matches, obtain the analysis of the increase and displacement of the tunnel unit backing stress, if not, the result of the analysis indicates that the backing stress is strong That are close to the strength and do not exceed the strength, and the amount of relative rigid body motion and the amount of boundary displacement, After reducing the input sequence, the position where the backing stress exceeds the strength and the position of the backing split are matched, the survey variable of the simulation model is adjusted to zero, and the survey value of the cross-sectional displacement of the boundary of the tunnel unit is calculated. Obtaining, in addition to the boundaries of the simulation model, the total amount of stress change caused by the measured cross-sectional displacement of the tunnel unit, and performing the steps subsequent to this step again. An analyzer for obtaining a change in stress of a tunnel lining through the displacement amount described in 9. This is an analysis system that calculates the stress change of the tunnel lining through the amount of displacement.
A surveying device that obtains a plurality of displacement measurement values of the cross-section by measuring displacements of a plurality of cross-sections,
Connected to the surveying device, and a three-dimensional tunnel unit, a plurality of different cross-sections to be the boundary of the model, and a simulation model including its survey variables and displacement forms, based on the displacement measurement values of the plurality of cross-sections Calculate the relative displacement amount of the tunnel unit and the constituent amount of the displacement form, and obtain the value of the stress change of the wall surface, and then compare the wall surface stress change with the crack distribution of the wall surface, and if necessary, An analysis system for obtaining a stress change of a lining of a tunnel through a displacement amount, comprising: a processor device for acquiring a stress change matching the fracture distribution by correcting a calculated value of the displacement amount.   The wall surface is a backing wall surface, the displacement amount is a change in spatial position of the backing wall surface at different times, a cross section is an observation cross section of a target for measuring a displacement amount in a tunnel, and the cross section is Contains a plurality of observation points of sufficient quantity to measure the deformation phenomenon of the tunnel, the tunnel unit is a tunnel area bounded by two tunnel observation cross sections, and at different times of all the observation points of the cross section. The set of changes in spatial position is the cross-sectional displacement, the specific cross-sectional change is the displacement form, the displacement form is the cross-sectional rigid body motion and the cross-sectional deformation, and the displacement form is a known displacement amount and wall stress change. Corresponding, rigid body movement in cross-section, translational displacement form in which all the observation points coincide and perform equivalent movement, and rotation in which all the observation points coincide with the center of the section and perform equivalent rotation Including displacement mode , The cross-sectional deformation displacement form is a uniform deformation displacement form in which the cross-section observation point expands or contracts relative to the cross-sectional center, the deformation relative to the cross-sectional center is an elliptical deformation displacement form, and the deformation is relative to the cross-sectional center. Is a triangular deformation displacement form, the deformation relative to the cross-section center is a quadrilateral deformation deformation form, the deformation relative to the cross-section center is a pentagonal deformation deformation form, and the deformation relative to the cross-section center is a polygonal deformation. Including a plurality of types of deformation modes of deformation deformation mode, and in a tunnel in a three-dimensional space, the traffic direction is the axial direction, the gravity direction is the vertical direction, and the direction orthogonal to the axial direction and the vertical direction is the horizontal direction, Rigid cross-sectional motion in three-dimensional space includes axial translation, lateral translation, vertical translation, axial-facing rotation, lateral-facing rotation, and vertical-facing rotation Characterized the door, the analysis system to determine the change in stress lining of the tunnel through the displacement according to claim 11.   The three-dimensional tunnel unit, a plurality of different cross-sections to be the boundary of the model, the construction of a simulation model including its survey variables and displacement forms, build an initial simulation model, and the simulation model is a three-dimensional tunnel unit, A step including a plurality of different cross-sections as model boundaries, their survey variables and displacement modes, and adding a cross-sectional displacement amount of each of the rigid-body motion-displacement modes to the boundary of the simulation model; Obtaining a change, determining whether the survey variables and stress changes of the initial simulation model are equal, if not, constructing the initial simulation model, and the simulation model is a three-dimensional tunnel unit; A number of different cross-sections as boundaries of the model and their And, if equal, adding the cross-sectional displacement amount of the deformation displacement form to the boundary of the simulation model to obtain a stress change due to the deformation of the tunnel unit; and Judge whether the changes are equal or not, construct the initial simulation model, and if the simulation model is a three-dimensional tunnel unit, a plurality of different cross-sections as boundaries of the model, and their survey variables And constructing a simulation model based on the result of the displacement form simulation, if equal, the stress change in the lining of the tunnel through the displacement amount according to claim 11. An analysis system that seeks.   Calculating the relative displacement amount of the tunnel unit and the component amount of the displacement mode based on the displacement amount measurement values of the plurality of cross sections, and obtaining the value of the stress change of the wall surface, Obtaining a survey value; obtaining a displacement morphological component of the survey values of the displacements of the plurality of cross sections; a first set step and / or a second set step; and the first set step and / or the A step after the second set step, wherein the first set step obtains a component of a displacement mode belonging to a cross-sectional rigid body motion based on the displacement mode component, and sets a boundary of the tunnel unit. Obtaining a relative rigid motion component of the tunnel unit based on the cross-sectional rigid motion, and ordering the type of the relative rigid motion based on the component; Zero-adjusting the survey variable of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit. The step is based on the displacement form constituent quantity, the step of obtaining the constituent quantity of the displacement form belonging to the cross-sectional deformation, Based on the cross-sectional deformation to be the boundary of the tunnel unit, to obtain the deformation constituent quantity of the tunnel unit, And ordering the deformations based on the constituent quantities; zeroing the survey variables of the simulation model; and simultaneously adding the values of the deformations to the boundaries of the simulation model to obtain a stress change of the tunnel unit deformation. And after the first set step and / or the second set step Zeroing the survey variables of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain a stress change of the relative rigid body motion of the tunnel unit. It is determined whether the survey variables and the stress changes are equal, and if they are equal, the wall stress change is compared with the crack distribution on the wall, and the calculated value of the relative displacement is corrected according to the situation. Then, a stress change matching the crack distribution is obtained, and if not uniform, the survey variable of the simulation model is zero-adjusted, and the value of the relative rigid body motion is added to the boundary of the simulation model, and the Obtain the relative rigid body motion stress change, and perform the steps after this step again, and Zeroing the survey variable of the simulation model, and simultaneously adding the value of the deformation mode to the boundary of the simulation model, and obtaining the stress change of the deformation of the tunnel unit so that the survey variable and the stress change of the simulation model are equal. Determine whether or not, if equal, compare the wall stress change and the crack distribution of the wall, and correct the calculated value of the relative displacement amount according to the situation, match the crack distribution Acquire the stress change, if not equal, zero the survey variables of the simulation model, and at the same time add the value of the deformation form to the boundary of the simulation model, obtain the stress change of the tunnel unit deformation, and 12. The method according to claim 11, wherein the step following this step is executed again. Analysis system for determining the change in stress lining of the tunnel through the displacement.   Zeroing the survey variable of the simulation model and adding the value of the relative rigid body motion to the boundary of the simulation model to obtain the stress change of the relative rigid body motion of the tunnel unit, The determination of whether the changes are equal, and the step of zeroing the survey variables of the simulation model and simultaneously adding the value of the deformation form to the boundary of the simulation model to obtain the stress change of the tunnel unit deformation. If the result is equal, the stress change on the wall is compared with the crack distribution on the wall, and the calculated value of the relative displacement is corrected according to the situation, so that the stress change matching the crack distribution is obtained. To zero the survey variables of the simulation model, Adding a measured value of the sectional displacement at the boundary of the tunnel unit to the boundary of the simulation model to obtain a total amount of the stress change caused by the measured value of the sectional displacement of the tunnel unit; Judge whether is equal or not, perform the following steps if it is equal, otherwise obtain the analysis of the increase and displacement of the tunnel unit backing stress if not equal, and the backing stress exceeds the strength Judgment whether the position and the backing tear position match or not, if it matches, obtain the analysis of the increase and displacement of the tunnel unit backing stress, if not, the result of the analysis indicates that the backing stress is strong That are close to the strength and do not exceed the strength, and the amount of relative rigid body motion and the amount of boundary displacement, After reducing the input sequence, the position where the backing stress exceeds the strength and the position of the backing split are matched, the survey variable of the simulation model is adjusted to zero, and the survey value of the cross-sectional displacement of the boundary of the tunnel unit is calculated. Obtaining, in addition to the boundaries of the simulation model, the total amount of stress change caused by the measured cross-sectional displacement of the tunnel unit, and performing the steps subsequent to this step again. 14. An analysis system for obtaining a change in stress of a tunnel lining through the amount of displacement described in 14.