CN105586995A - BIM-based deformation monitoring method for deep foundation pit - Google Patents
BIM-based deformation monitoring method for deep foundation pit Download PDFInfo
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- CN105586995A CN105586995A CN201610122610.8A CN201610122610A CN105586995A CN 105586995 A CN105586995 A CN 105586995A CN 201610122610 A CN201610122610 A CN 201610122610A CN 105586995 A CN105586995 A CN 105586995A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The invention relates to a BIM-based deformation monitoring method for a deep foundation pit. The BIM-based deformation monitoring method comprises the following steps of establishing a three dimensional model of the shape, the retaining structure, the periphery environment and the monitoring points of the foundation pit through a BIM; introducing monitoring data in the established three dimensional model; generating a foundation pit deformation model by reading introduced monitoring data of the three dimensional model, and converting the monitoring data into space three dimensional coordinates, wherein each deformation monitoring point is a space coordinate point in the model; enabling the space coordinates of each monitoring point to be connected to form a deformation curve of monitoring holes; outputting a deformation numerical value cloud chart: performing superimposition and error detection on the deformation model of one discretionary time point and an initial model so as to obtain the deformation numerical value cloud chart of the time point; and obtaining a judgment conclusion that the deformation situation of the foundation pit is normal, abnormal or dangerous according to the deformation numerical value cloud chart. The BIM-based deformation monitoring method disclosed by the invention solves the problem that the deformation situation and the deformation trend of the retaining structure of the foundation pit cannot be visually presented in the deformation monitoring process of the retaining structure of the foundation pit in the past.
Description
Technical field
The present invention relates to a kind of deformation of deep excavation monitoring method, relate in particular to a kind of deformation of deep excavation monitoring method based on BIM.
Background technology
Along with the quickening of urbanization process and the raising of building level, base pit engineering is obtaining high speed development aspect total number, cutting depth and use field. Although at present the research of Soft Soil Foundation Pit has been had to certain progress, but to its distortion and mechanical property research perfect not enough, make computation model and supposition and engineering actual conditions have relatively large deviation, cause the distortion estimation of foundation pit supporting project not too accurate, thereby affected safety and the cost of engineering. Therefore, in construction work, the monitoring of foundation pit enclosure structure and surrounding enviroment is just seemed to very important. Particularly occur that at foundation ditch quality problems or supporting construction are when unstable, pit retaining monitoring has just become policymaker's knowledge, and the moment is guiding foundation pit construction work towards safety, stable future development.
Foundation ditch safety monitoring data file all coordinates the mode of two-dimensional curve, figure to express deformation tendency with form at present, and in the time that engineer checks deformation, entirety is consulted deformation easily, and the deformation tendency of foundation pit supporting construction is difficult to accurate judgement. Still can find in time the abnormal conditions of foundation pit deformation for experienced, responsible engineer, but engineer or layman for new participation project are different, in the time can not correctly judging, will exert an influence to next step Construction Decision of foundation ditch, in serious situation, may produce potential safety hazard.
BIM technology (BIM) is the direct application of digital technology in architectural engineering, solve the description problem of architectural engineering in software, make designer and engineers and technicians make correct reply to various architecture informations, and provide solid foundation for collaborative work. BIM is again a kind of digitizing solution that is applied to design, construction, management simultaneously, and this method is supported the integrated management environment of architectural engineering, can make architectural engineering in its whole process, significantly improve efficiency and reduce risks in a large number.
In view of BIM technology is introduced base pit engineering monitoring by above reason, can not its deformation of visualize and the shortcoming of deformation tendency to solve in the past in foundation pit enclosure structure deformation monitoring process.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of deformation of deep excavation monitoring method based on BIM, deformation of deep excavation monitoring method that should be based on BIM has solved in the past in foundation pit enclosure structure deformation monitoring process, can not its deformation of visualize and the shortcoming of deformation tendency.
In order to solve the problems of the technologies described above, the deformation of deep excavation monitoring method based on BIM of the present invention, the method comprises the following steps:
Step 1, sets up threedimensional model by the shape of foundation ditch, building enclosure, surrounding enviroment and monitoring point by BIM;
Step 2 imports monitored data in the threedimensional model of setting up;
Step 3, threedimensional model generates foundation pit deformation model by the monitored data that reads importing: convert monitored data to 3 d space coordinate, each distortion monitoring points is exactly a space coordinates point in model;
Step 4, links up the space coordinates of each monitoring point the deformation curve that forms monitoring holes;
Step 5, output skew numerical value cloud atlas: by the distorted pattern of any one time point and initial model is superimposed and carry out error-tested, can obtain the distortion numerical value cloud atlas of this time point;
Step 6, makes normal, abnormal or dangerous judgement conclusion according to distortion numerical value cloud atlas to foundation pit deformation situation.
Described monitored data comprises horizontal displacement, vertical displacement, axial force of the supports, enclosure wall internal force, soil pressure, level of ground water, subterranean fracture.
The direction of described foundation pit deformation is the normal direction of deformation curve.
Adopt this deformation of deep excavation monitoring method based on BIM, have the following advantages:
1) deformation of foundation pit enclosure structure can be showed intuitively, the deformation tendency of foundation ditch can be accurately judged by adding the 4D metamorphic animation of time shaft.
2) can locate fast the dangerous spot of foundation pit enclosure structure, and make in time emergency preplan according to deformation tendency and present situation.
3) auxiliary construction management, non-monitoring professional can understand foundation pit deformation situation equally.
4) judge reason and the major influence factors of foundation pit deformation in conjunction with other monitored data as ancillary works teacher such as SEA LEVEL VARIATION, road settlement, pipeline distortion, neighboring buildings composition deformations.
5), in conjunction with the deformation tendency of following a period of time of deformation history judgement of existing foundation pit enclosure structure, to the danger position emphasis monitoring that gives warning in advance, be conducive to construction manager and proprietor's engineering decision.
Detailed description of the invention
Deformation of deep excavation monitoring method based on BIM, the method comprises the following steps:
Step 1, sets up threedimensional model by the shape of foundation ditch, building enclosure, surrounding enviroment and monitoring point by BIM;
Step 2 imports monitored data in the threedimensional model of setting up;
Step 3, threedimensional model generates foundation pit deformation model by the monitored data that reads importing: convert monitored data to 3 d space coordinate, each distortion monitoring points is exactly a space coordinates point in model;
Step 4, links up the space coordinates of each monitoring point the deformation curve that forms monitoring holes;
Step 5, output skew numerical value cloud atlas: by the distorted pattern of any one time point and initial model is superimposed and carry out error-tested, can obtain the distortion numerical value cloud atlas of this time point;
Step 6, makes normal, abnormal or dangerous judgement conclusion according to distortion numerical value cloud atlas to foundation pit deformation situation.
Described monitored data comprises horizontal displacement, vertical displacement, axial force of the supports, enclosure wall internal force, soil pressure, level of ground water, subterranean fracture.
The direction of described foundation pit deformation is the normal direction of deformation curve.
Administrative staff take corresponding emergency measure according to degree of danger, and analysis and proposition is made in the monitoring point that meets or exceeds detection alarm value.
In the application, there is no the technical characterictic describing in detail is prior art. Above-described embodiment is principle and effect thereof of illustrative the application only, but not for limiting the application. Any person skilled in the art scholar all can, under the spirit and category without prejudice to the application, modify or change above-described embodiment. Therefore, in affiliated technical field, have and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the application discloses and technological thought, must be contained by the application's claim.
Claims (3)
1. the deformation of deep excavation monitoring method based on BIM, is characterized in that: the method comprises the following steps:
Step 1, sets up threedimensional model by the shape of foundation ditch, building enclosure, surrounding enviroment and monitoring point by BIM;
Step 2 imports monitored data in the threedimensional model of setting up;
Step 3, threedimensional model generates foundation pit deformation model by the monitored data that reads importing: convert monitored data to 3 d space coordinate, each distortion monitoring points is exactly a space coordinates point in model;
Step 4, links up the space coordinates of each monitoring point the deformation curve that forms monitoring holes;
Step 5, output skew numerical value cloud atlas: by the distorted pattern of any one time point and initial model is superimposed and carry out error-tested, can obtain the distortion numerical value cloud atlas of this time point;
Step 6, makes normal, abnormal or dangerous judgement conclusion according to distortion numerical value cloud atlas to foundation pit deformation situation.
2. according to the deformation of deep excavation monitoring method based on BIM claimed in claim 1, it is characterized in that: described monitored data comprises horizontal displacement, vertical displacement, axial force of the supports, enclosure wall internal force, soil pressure, level of ground water, subterranean fracture.
3. according to the deformation of deep excavation monitoring method based on BIM claimed in claim 1, it is characterized in that: the normal direction that the direction of described foundation pit deformation is deformation curve.
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368247A (en) * | 2016-09-22 | 2017-02-01 | 上海同筑信息科技有限公司 | Foundation pit intelligent monitoring and active forewarning method and system based on building information modeling (BIM) |
| CN106638728A (en) * | 2017-01-09 | 2017-05-10 | 武汉理工大学 | Method for sensing and checking danger of deep foundation pit in real time |
| CN106638727A (en) * | 2017-01-09 | 2017-05-10 | 武汉理工大学 | Device for real-time sensation of deep foundation pit and disease examination |
| CN106702995A (en) * | 2016-12-27 | 2017-05-24 | 福建省建筑设计研究院 | BIM-based building method of geotechnical engineering monitoring model |
| CN106780723A (en) * | 2016-12-16 | 2017-05-31 | 上海岩土工程勘察设计研究院有限公司 | A kind of method that utilization BIM technology realizes foundation ditch fast parameter three-dimensional modeling |
| CN106759546A (en) * | 2016-12-30 | 2017-05-31 | 重庆邮电大学 | Based on the Deep Foundation Distortion Forecast method and device for improving multivariable grey forecasting model |
| CN106815439A (en) * | 2017-01-20 | 2017-06-09 | 上海市地下空间设计研究总院有限公司 | Municipal Engineering Construction monitoring method and its system based on BIM |
| CN106980732A (en) * | 2017-03-31 | 2017-07-25 | 青岛理工大学 | Building beam failure scene construction method based on crack nonlinear growth |
| CN107034932A (en) * | 2017-06-13 | 2017-08-11 | 南通四建集团有限公司 | A kind of work progress foundation pit deformation monitoring based on BIM, early warning platform |
| CN107489186A (en) * | 2017-08-25 | 2017-12-19 | 广东省水利水电第三工程局有限公司 | A kind of manufacture of shaped flow channel template and installation method |
| CN107817750A (en) * | 2017-11-15 | 2018-03-20 | 四川建筑职业技术学院 | A kind of building monitoring system based on BIM |
| CN107843230A (en) * | 2017-10-31 | 2018-03-27 | 成都市第四建筑工程公司 | High and big die plate fastener type support frame deformation monitoring method and system based on BIM |
| CN108020204A (en) * | 2017-12-15 | 2018-05-11 | 山东大学 | A kind of earth's surface monitoring measurement method based on curve matching |
| CN108318010A (en) * | 2017-11-27 | 2018-07-24 | 中建华东投资有限公司 | A kind of pit retaining monitoring measuring point fast selecting method based on BIM |
| CN110704934A (en) * | 2019-10-12 | 2020-01-17 | 上海勘察设计研究院(集团)有限公司 | Web end lightweight display method based on BIM model |
| CN110984114A (en) * | 2019-12-29 | 2020-04-10 | 青岛瑞源工程集团有限公司 | Deep foundation pit full-period dynamic monitoring method |
| CN111486814A (en) * | 2020-04-18 | 2020-08-04 | 福州大学 | BIM three-dimensional visualization deep foundation pit deformation prediction system based on genetic algorithm |
| CN111535370A (en) * | 2020-03-25 | 2020-08-14 | 上海二十冶建设有限公司 | Real-time monitoring system for deep foundation pit |
| CN113094780A (en) * | 2021-03-18 | 2021-07-09 | 上海市水利工程设计研究院有限公司 | BIM technology-based deep horizontal displacement monitoring method for deep foundation pit support structure |
| CN115369885A (en) * | 2022-08-05 | 2022-11-22 | 中国二十二冶集团有限公司 | BIM and unmanned aerial vehicle-based dynamic monitoring method for deep foundation pit construction |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106368247A (en) * | 2016-09-22 | 2017-02-01 | 上海同筑信息科技有限公司 | Foundation pit intelligent monitoring and active forewarning method and system based on building information modeling (BIM) |
| CN106780723A (en) * | 2016-12-16 | 2017-05-31 | 上海岩土工程勘察设计研究院有限公司 | A kind of method that utilization BIM technology realizes foundation ditch fast parameter three-dimensional modeling |
| CN106780723B (en) * | 2016-12-16 | 2022-08-02 | 上海勘察设计研究院(集团)有限公司 | Method for realizing rapid parameterized three-dimensional modeling of foundation pit by using BIM technology |
| CN106702995A (en) * | 2016-12-27 | 2017-05-24 | 福建省建筑设计研究院 | BIM-based building method of geotechnical engineering monitoring model |
| CN106759546A (en) * | 2016-12-30 | 2017-05-31 | 重庆邮电大学 | Based on the Deep Foundation Distortion Forecast method and device for improving multivariable grey forecasting model |
| CN106759546B (en) * | 2016-12-30 | 2018-11-13 | 重庆邮电大学 | Based on the Deep Foundation Distortion Forecast method and device for improving multivariable grey forecasting model |
| CN106638728A (en) * | 2017-01-09 | 2017-05-10 | 武汉理工大学 | Method for sensing and checking danger of deep foundation pit in real time |
| CN106638727A (en) * | 2017-01-09 | 2017-05-10 | 武汉理工大学 | Device for real-time sensation of deep foundation pit and disease examination |
| CN106815439A (en) * | 2017-01-20 | 2017-06-09 | 上海市地下空间设计研究总院有限公司 | Municipal Engineering Construction monitoring method and its system based on BIM |
| CN106980732A (en) * | 2017-03-31 | 2017-07-25 | 青岛理工大学 | Building beam failure scene construction method based on crack nonlinear growth |
| CN107034932A (en) * | 2017-06-13 | 2017-08-11 | 南通四建集团有限公司 | A kind of work progress foundation pit deformation monitoring based on BIM, early warning platform |
| CN107489186A (en) * | 2017-08-25 | 2017-12-19 | 广东省水利水电第三工程局有限公司 | A kind of manufacture of shaped flow channel template and installation method |
| CN107843230A (en) * | 2017-10-31 | 2018-03-27 | 成都市第四建筑工程公司 | High and big die plate fastener type support frame deformation monitoring method and system based on BIM |
| CN107817750A (en) * | 2017-11-15 | 2018-03-20 | 四川建筑职业技术学院 | A kind of building monitoring system based on BIM |
| CN108318010A (en) * | 2017-11-27 | 2018-07-24 | 中建华东投资有限公司 | A kind of pit retaining monitoring measuring point fast selecting method based on BIM |
| CN108020204B (en) * | 2017-12-15 | 2022-06-14 | 山东大学 | Surface monitoring and measuring method based on curve fitting |
| CN108020204A (en) * | 2017-12-15 | 2018-05-11 | 山东大学 | A kind of earth's surface monitoring measurement method based on curve matching |
| CN110704934A (en) * | 2019-10-12 | 2020-01-17 | 上海勘察设计研究院(集团)有限公司 | Web end lightweight display method based on BIM model |
| CN110984114A (en) * | 2019-12-29 | 2020-04-10 | 青岛瑞源工程集团有限公司 | Deep foundation pit full-period dynamic monitoring method |
| CN111535370A (en) * | 2020-03-25 | 2020-08-14 | 上海二十冶建设有限公司 | Real-time monitoring system for deep foundation pit |
| CN111486814A (en) * | 2020-04-18 | 2020-08-04 | 福州大学 | BIM three-dimensional visualization deep foundation pit deformation prediction system based on genetic algorithm |
| CN113094780A (en) * | 2021-03-18 | 2021-07-09 | 上海市水利工程设计研究院有限公司 | BIM technology-based deep horizontal displacement monitoring method for deep foundation pit support structure |
| CN115369885A (en) * | 2022-08-05 | 2022-11-22 | 中国二十二冶集团有限公司 | BIM and unmanned aerial vehicle-based dynamic monitoring method for deep foundation pit construction |
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