CN110243270A - The system and method for measurement soil opposite slide displacement amount with the tangential dynamic of underground structure - Google Patents
The system and method for measurement soil opposite slide displacement amount with the tangential dynamic of underground structure Download PDFInfo
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- CN110243270A CN110243270A CN201910516322.4A CN201910516322A CN110243270A CN 110243270 A CN110243270 A CN 110243270A CN 201910516322 A CN201910516322 A CN 201910516322A CN 110243270 A CN110243270 A CN 110243270A
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- sliding block
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- shell
- displacement amount
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- 239000002689 soil Substances 0.000 title claims abstract description 64
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 38
- 238000005259 measurement Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The present invention provides a kind of system and method for measurement soil opposite slide displacement amount with the tangential dynamic of underground structure, which is made of sliding block, X-direction sliding rail, Y-direction sliding rail, shell, current vortex sensor, connecting plate；Wherein: the first end face of sliding block is contacted with the soil body, and the square column extended downwardly is arranged in the second end face of sliding block, and through-hole is arranged in preset height in square column in X direction；Y-direction sliding rail is fixedly connected with shell；X-direction sliding rail passes through the through-hole of square column, and the both ends of X-direction sliding rail and the sliding contact of Y-direction sliding rail；One end of current vortex sensor and square column connect, for measure respectively the sliding block in X direction, the displacement of Y-direction.System structure provided by the invention is simple, it detects easy to operate, and it can be adapted for different types of underground structure contact level (such as plane, curved surface and various shaped faces), precisely measure out the cross section X direction and vertical axis displacement component along underground structure.
Description
Technical field
The present invention relates to technical field of civil engineering, and in particular, to measurement soil and the tangential dynamic of underground structure are relatively sliding
The system and method for dynamic displacement.
Background technique
It is increasing to the exploitation demand of urban underground space with the fast development of Chinese society economy.Tunnel, subway
Engineering can alleviate traffic pressure significantly, improve trip condition, and Urban Underground pipe gallery can efficiently utilize the underground space, favorably
In the maintenance of pipeline and intensive management, etc..For preventing and reducing natural disasters for underground engineering structure especially Underground Lifeline Engineering
Anti-seismic performance research has highly important social and economic implications.Earthquake or the effect of other horizontal powers cause soil and underground work
Journey structure generates Relative sliding, and soil-structure contact surface relative slippage is that reflection soil interacts with underground engineering structure
Important indicator, in shaking table model test and the test of other associated powers, to soil and underground engineering structure contact surface phase
Measurement to dynamic slide displacement is further investigation and the important means for exploring underground structure seismic response mechanism, can be with this
The destruction situation and relative dynamic of Xie Tuyu structure interface slide rule.
Currently, external only Japanese scholars have carried out a unique secondary design, but it constructs complexity, and production requires height, needs
It to slot on structural model, it is difficult to be realized in the relatively thin test model structure of tube wall.
The country only has " soil and underground structure contact face soil body slipping dynamic survey to the similar sensor of soil body slipping measurement
Quantity sensor (application number 200810032775.1, publication number CN10216366A) " disclose it is a kind of using angular displacement sensor and
Pulley mode measures the displacement sensor of soil with underground structure contact face soil body dynamic sliding.But this method actually makes
With in the process it cannot be guaranteed that sensor and underground structure surface keep being in close contact, if sensor base pulley disengages face
The sensor can not work normally；In addition this method is unable to measure other situations in addition to contact surface is plane, such as contact surface
For curved surface or other irregular interfaces.
There are " soil internal displacement measuring device and its measurement side in the country for the related sensor of underground land movement measurement
Method (application number 201010039640.5, publication number CN101749996A) ", but it is only limitted to the vertical of measurement inside soil body itself
Displacement is not suitable for the measurement soil opposite sliding position tangential with underground structure contact face such as the settling amount in the soil body at certain point
It moves.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of measurement soil and the tangential dynamic phase of underground structure
To the system and method for slide displacement amount.
In a first aspect, the present invention provides a kind of system of measurement soil opposite slide displacement amount with the tangential dynamic of underground structure,
It include: sliding block, X-direction sliding rail, Y-direction sliding rail, shell, current vortex sensor, connecting plate；Wherein:
The first end face of the sliding block is contacted with the soil body, and the square column extended downwardly, institute is arranged in the second end face of the sliding block
It states square column and through-hole is set in X direction in preset height；The Y-direction sliding rail is fixedly connected with the shell；The X-direction sliding rail
Across the through-hole of the square column, and the both ends of the X-direction sliding rail and the Y-direction sliding rail sliding contact；The current vortex passes
One end of sensor and the square column connect, for measure respectively the sliding block in X direction, the displacement of Y-direction, and the electricity
The other end of eddy current sensor is fixedly connected with shell；The shell is arranged between the connecting plate and sliding block, to be formed
Accommodate the space of the X-direction sliding rail, Y-direction sliding rail, current vortex sensor.
Optionally, shell is columnar hollow structure, and one end of the shell and the upper surface of the connecting plate are fastenedly connected,
The second end face sliding contact of the other end of the shell and the sliding block.It is cut to measure the soil body with underground structure contact interface
To slippage, it is desirable that the height and volume of the shell should be as small as possible.
Optionally, it is provided with cross bulge-structure in the first end face of the sliding block, is in close contact with the soil body.
Optionally, the connecting plate is fastenedly connected by bolt or structure glue with underground structure body, and the connecting plate
It is consistent with the curvature of underground structure body contacting surface.
Optionally, the ratio of the total weight of the system and total volume is equal to the density of surrounding measurement soil.
Second aspect, the present invention also provides a kind of sides of measurement soil opposite slide displacement amount with the tangential dynamic of underground structure
Method, using measurement soil described in any one of first aspect with the tangential dynamic of underground structure in the system of opposite slide displacement amount, institute
The method of stating includes:
The sliding block is set and the tested soil body connects, the connecting plate is set and the fastening of tested underground structure body connects
It connects；Wherein, the connecting plate includes: to be bolted, glued connect with tested underground structure body connection type；
The current vortex value when soil body slides, the current vortex value and institute are tested by the electric vortex sensor measuring
It is related to state the position that the tested soil body drives the sliding block to slide；
According to the current vortex value, the position of the sliding block is conversed；
According to the position of the sliding block, slippage of the tested soil body in X, Y both direction is determined.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention provides a kind of system and methods of measurement soil opposite slide displacement amount with the tangential dynamic of underground structure, if
Set sliding block, X-direction sliding rail, Y-direction sliding rail, shell, current vortex sensor, connecting plate；Wherein: the first end face of the sliding block with
The square column extended downwardly is arranged in soil body contact, the second end face of the sliding block, and through-hole is arranged in preset height in square column in X direction；
The Y-direction sliding rail is fixedly connected with the shell；The X-direction sliding rail passes through the through-hole of square column, and the X-direction sliding rail
Both ends and the Y-direction sliding rail sliding contact；One end of the current vortex sensor and square column connect, for measuring respectively
The sliding block in X direction, the displacement of Y-direction, and the other end of the current vortex sensor is fixedly connected with shell；The shell
It is arranged between the connecting plate and sliding block, accommodates the X-direction sliding rail, Y-direction sliding rail, current vortex sensor to be formed
Space.The system structure that inventive sensor provides is simple, small in size, and detection is easy to operate, and range is big, and waterproof performance is good, essence
Exactness is high；Inventive sensor total body density is equal to ambient enviroment soil body density, it is ensured that sensor can reflect and measure the soil body
Real motion；Inventive sensor is not damaged to tested underground structure body, unchanged the parameters such as stiffness by itself of flowering structure；
Inventive sensor is small in size, even the entirety of soil body movement will not be influenced by being embedded in the soil body of scale (model) test
Property；Inventive sensor is suitable for different types of underground structure contact face (such as plane, curved surface and various shaped faces), can be with
Precisely measure out the cross section X direction and vertical axis displacement component along underground structure.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the system of measurement soil provided in an embodiment of the present invention opposite slide displacement amount with the tangential dynamic of underground structure
External structure schematic diagram；
Fig. 2 is the system of measurement soil provided in an embodiment of the present invention opposite slide displacement amount with the tangential dynamic of underground structure
Schematic diagram of internal structure.
In figure:
1- sliding block；
The direction 2-X sliding rail；
The direction 3-Y sliding rail；
4- shell；
5- current vortex sensor；
6- connecting plate.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
Fig. 1 is the system of measurement soil provided in an embodiment of the present invention opposite slide displacement amount with the tangential dynamic of underground structure
External structure schematic diagram, Fig. 2 are measurement soil provided in an embodiment of the present invention and the tangential dynamically opposite slide displacement amount of underground structure
System schematic diagram of internal structure.Referring to Fig. 1, Fig. 2, the system in the present embodiment may include: sliding block 1, X-direction sliding rail 2,
Y-direction sliding rail 3, shell 4, current vortex sensor 5, connecting plate 6.Wherein: the first end face of sliding block 1 is contacted with the soil body, sliding block
The square column extended downwardly is arranged in second end face, and through-hole is arranged in preset height in square column in X direction；Y-direction sliding rail 3 and shell 4 are solid
Fixed connection；X-direction sliding rail 2 passes through the through-hole of square column, and the both ends of X-direction sliding rail and the sliding contact of Y-direction sliding rail；Current vortex passes
One end of sensor 5 and square column connect, for measure respectively sliding block in X direction, the displacement of Y-direction, and current vortex sensor 5
The other end be fixedly connected with shell 4；Shell 4 be arranged between connecting plate 5 and sliding block 1, to formed accommodate X-direction sliding rail 2,
The space of Y-direction sliding rail 3, current vortex sensor 5.
In a kind of optional embodiment, shell 4 is columnar hollow structure, one end of shell 4 and the upper end of connecting plate 6
Face is fastenedly connected, the second end face sliding contact of the other end and sliding block 1 of shell 4.So as to play protection current vortex sensing
The effect of device 5.
In a kind of optional embodiment, cross bulge-structure is provided in the first end face of sliding block 1.
In the present embodiment, setting cross bulge-structure can increase the frictional force between sliding block and the soil body.
In a kind of optional embodiment, connecting plate 6 is connected by bolt or structure glue and the fastening of underground structure body
It connects, and connecting plate 6 is consistent with the curvature of underground structure body contacting surface.
In the present embodiment, current vortex sensor 5 tightens together with shell 4, connecting plate 6, and connecting plate 6 passes through bolt or knot
Structure glue is connect with underground structure body, to not influence the intensity and dynamic characteristics of underground structure.
The system of measurement soil provided in this embodiment opposite slide displacement amount with the tangential dynamic of underground structure, can be to contact
Face is plane, curved surface and is applicable in the case where various shaped faces, and can test respectively along underground structure cross section X direction and
Vertical axis displacement component.
In addition, the embodiment of the present invention also provides a kind of side of measurement soil opposite slide displacement amount with the tangential dynamic of underground structure
Method can measure in soil and the tangential dynamic of the underground structure system of slide displacement amount relatively, method using any one of aforementioned
Include:
Step 1: setting sliding block 1 and the tested soil body connect, and setting connecting plate 6 and the fastening of tested underground structure body connect
It connects；Wherein, connecting plate 6 includes: to be bolted, glued connect with tested underground structure body connection type；
Step 2: current vortex value when the tested soil body slides, current vortex value and quilt are measured by current vortex sensor 5
It is related to survey the position that the soil body slides with movable slider 1；
Step 3: according to current vortex value, conversing the position of sliding block 1；
Step 4: according to the position of sliding block 1, determining tested slippage of the soil body in X, Y both direction.
Specifically, in soil body slipping, sliding block 1 follows the soil body mobile, drives square column sliding, can by current vortex sensor 5
To measure the shift value of square column X, Y both direction, the i.e. displacement of sliding block.When sliding block 1 slides in X direction, sliding block 1 passes through square column
In through-hole produced relative sliding with X-direction sliding rail, X-direction sliding rail 2 is absolutely stationary.When sliding block 1 is slided along Y-direction,
Sliding block 1 drives X-direction sliding rail to slide together along Y-direction sliding rail 3 by the through-hole in square column, and X-direction sliding rail 2 and sliding block 1 are kept
It is opposing stationary.Optionally, the sending device communicated with the external world can also be arranged in the present embodiment, for causing change in displacement
Current vortex signal record and pass, and then obtain the multi-faceted slippage of the soil body.
System structure provided by the invention is simple, and detection is easy to operate, and can be adapted for different types of underground knot
Structure contact level (such as plane, curved surface and various shaped faces), precisely measure out along underground structure cross section X direction and
Vertical axis displacement component.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (6)
1. a kind of system of measurement soil opposite slide displacement amount with the tangential dynamic of underground structure characterized by comprising sliding block
(1), X-direction sliding rail (2), Y-direction sliding rail (3), shell (4), current vortex sensor (5), connecting plate (6)；Wherein:
The first end face of the sliding block (1) is contacted with the soil body, and the square column extended downwardly is arranged in the second end face of the sliding block, described
Through-hole is arranged in preset height in square column in X direction；The Y-direction sliding rail (3) is fixedly connected with the shell (4)；The X-direction
Sliding rail (2) passes through the through-hole of the square column, and the both ends of the X-direction sliding rail and the Y-direction sliding rail sliding contact；The electricity
One end of eddy current sensor (5) and the square column connect, for measure respectively the sliding block in X direction, the position of Y-direction
It moves, and the other end of the current vortex sensor (5) is fixedly connected with shell (4)；The shell (4) is arranged in the connecting plate
(6) between sliding block (1), the X-direction sliding rail (2), Y-direction sliding rail (3), current vortex sensor (5) are accommodated to be formed
Space.
2. the system of measurement soil according to claim 1 opposite slide displacement amount with the tangential dynamic of underground structure, feature
It is, shell (4) is columnar hollow structure, and one end of the shell (4) and the upper surface of the connecting plate (6) are fastenedly connected,
The other end of the shell (4) and the second end face sliding contact of the sliding block (1).
3. the system of measurement soil according to claim 1 opposite slide displacement amount with the tangential dynamic of underground structure, feature
It is, is provided with cross bulge-structure in the first end face of the sliding block (1), is in close contact with the soil body.
4. the system of measurement soil according to claim 1 opposite slide displacement amount with the tangential dynamic of underground structure, feature
It is, the connecting plate (6) is fastenedly connected by bolt or structure glue with underground structure body, and the connecting plate (6) and ground
The curvature of flowering structure body contacting surface is consistent.
5. the opposite slide displacement amount with the tangential dynamic of underground structure of measurement soil described in any one of -4 is according to claim 1
System, which is characterized in that the total weight of the system and the ratio of total volume are equal to the native density of surrounding measurement.
6. a kind of method of measurement soil opposite slide displacement amount with the tangential dynamic of underground structure, which is characterized in that wanted using right
Ask measurement soil described in any one of 1-5 with the tangential dynamic of underground structure in the system of opposite slide displacement amount, the method packet
It includes:
The sliding block (1) is set and the tested soil body connects, the connecting plate (6) are set and the fastening of tested underground structure body connects
It connects；Wherein, the connecting plate (6) includes: to be bolted, glued connect with tested underground structure body connection type；
Current vortex value when the tested soil body slides, the current vortex value and institute are measured by the current vortex sensor (5)
It is related to state the position that the tested soil body drives the sliding block (1) to slide；
According to the current vortex value, the position of the sliding block (1) is conversed；
According to the position of the sliding block (1), slippage of the tested soil body in X, Y both direction is determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910516322.4A CN110243270B (en) | 2019-06-14 | 2019-06-14 | System and method for measuring tangential dynamic relative sliding displacement of soil and underground structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910516322.4A CN110243270B (en) | 2019-06-14 | 2019-06-14 | System and method for measuring tangential dynamic relative sliding displacement of soil and underground structure |
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| CN110243270A true CN110243270A (en) | 2019-09-17 |
| CN110243270B CN110243270B (en) | 2024-06-04 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881537Y (en) * | 2005-11-02 | 2007-03-21 | 中国科学院武汉岩土力学研究所 | Measuring device for rock radius strain |
| KR101481436B1 (en) * | 2014-03-24 | 2015-01-15 | 한국지질자원연구원 | Apparatus for measuring swelling pressure of clay minerals and System for monitoring landslides behavior using the same |
| CN106323158A (en) * | 2016-10-21 | 2017-01-11 | 天津城建大学 | Device for testing three-dimensional strain state inside soil mass and testing method |
| CN208013119U (en) * | 2018-03-09 | 2018-10-26 | 防灾科技学院 | A kind of frost zone double-deformation test device |
| CN208283193U (en) * | 2018-04-16 | 2018-12-25 | 中南大学 | A kind of compression concretion instrument measuring soil body lateral pressure coefficient |
| CN209945246U (en) * | 2019-06-14 | 2020-01-14 | 上海交通大学 | System for measuring tangential dynamic relative sliding displacement of soil and underground structure |
-
2019
- 2019-06-14 CN CN201910516322.4A patent/CN110243270B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881537Y (en) * | 2005-11-02 | 2007-03-21 | 中国科学院武汉岩土力学研究所 | Measuring device for rock radius strain |
| KR101481436B1 (en) * | 2014-03-24 | 2015-01-15 | 한국지질자원연구원 | Apparatus for measuring swelling pressure of clay minerals and System for monitoring landslides behavior using the same |
| CN106323158A (en) * | 2016-10-21 | 2017-01-11 | 天津城建大学 | Device for testing three-dimensional strain state inside soil mass and testing method |
| CN208013119U (en) * | 2018-03-09 | 2018-10-26 | 防灾科技学院 | A kind of frost zone double-deformation test device |
| CN208283193U (en) * | 2018-04-16 | 2018-12-25 | 中南大学 | A kind of compression concretion instrument measuring soil body lateral pressure coefficient |
| CN209945246U (en) * | 2019-06-14 | 2020-01-14 | 上海交通大学 | System for measuring tangential dynamic relative sliding displacement of soil and underground structure |
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