CN110188505A - Complicated deep based on BIM+3D laser scanner technique monitors system and method - Google Patents
Complicated deep based on BIM+3D laser scanner technique monitors system and method Download PDFInfo
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- CN110188505A CN110188505A CN201910507830.6A CN201910507830A CN110188505A CN 110188505 A CN110188505 A CN 110188505A CN 201910507830 A CN201910507830 A CN 201910507830A CN 110188505 A CN110188505 A CN 110188505A
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000012544 monitoring process Methods 0.000 claims abstract description 87
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000246 remedial effect Effects 0.000 claims description 4
- 238000009877 rendering Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000012800 visualization Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000007726 management method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The invention proposes a kind of, and the complicated deep based on BIM+3D laser scanner technique monitors system and method, and monitoring system includes 3D laser scanning system, BIM system and monitoring system；3D laser scanning system and BIM system are connected with monitoring system respectively；The 3D laser scanning system includes 3D laser scanner, for obtaining the point cloud model of true deep basal pit；BIM system includes drawing import unit, for reading the drawing information of deep basal pit, obtains the three-dimensional BIM model of deep basal pit；The monitoring system is used to carry out real-time remote monitoring to the deep basal pit at scene, and monitoring system includes cloud platform system and early warning system；The cloud platform system is connected with 3D laser scanning system, BIM system, early warning system is connected.The present invention is modeled using the BIM system and 3D laser scanner technique of optimization, and the visualization function of web platform implementation model is utilized, and realizes the real-time monitoring and long-range monitoring of complicated deep.
Description
Technical field
The present invention relates to a kind of building management systems, and it is deep to particularly relate to a kind of complexity based on BIM+3D laser scanner technique
Pit retaining monitoring system and method.
Background technique
Deep-foundation pit engineering belongs to the high-incidence project of accident in construction projects, and risk is larger, safety of the various regions to base pit engineering
Supervision is also attached great importance to, but pit failure still occurs frequently.The main reason for these accidents occur is that engineering construction is each
The each link of the overall process that square main body accountability unit does not backfill deep-foundation pit engineering from survey and design to foundation pit carries out effective
Supervision.
With the development level of the technologies such as current BIM, internet, public cloud, mobile client, it can accomplish construction letter completely
The real-time and accuracy obtained is ceased, real-time monitoring may be implemented, but the application in base pit engineering is not much and sees.
Such as the document [application of the BIM+3D laser scanner technique in Zhuhai IFC project] on Sohu's webpage describes 3D and swashs
The principle of optical scanning technology, incorporation engineering case describe 3D laser scanner technique application process, explore 3D laser scanner technique and exist
Practicability in building construction process.Document [connected applications of three-dimensional laser scanning technique and BIM] on fast information webpage is adopted
With the combination of three-dimensional laser technology and BIM model, BIM technology is preferably promoted in the application of construction stage.It is rich in geowill
Document [the outdoor scene three-dimensional earthwork application of GW-Volume 3 D laser scanning] on visitor is by space coordinate conversion, by point cloud number
It is overlapped according to BIM design of foundation pit model, realizes the data fusion under real scene, it can the intuitive Exhibition Design effect of dynamic
With the relationship of as-is data.The country has BIM and 3D laser scanning model integrated and is used for the report of the realm of building construction at present
Road although such platform can be with simulation of real scenes, but can not be monitored in real time.
Application No. is CN201710259850.7, patent of invention is entitled to be modeled using 3D laser scanner technique fast B IM
Method, using 3D laser scanner technique carry out quickly, accurate, batch BIM model, it is multiple that artificial scene can be reduced to the full extent
The data volume of survey improves modeling fineness and efficiency, rationally utilizes resource, solve brought by traditional BIM modeling it is various not
Just place, to realize high-precision, efficient BIM modeling.Application No. is CN201510160043.0, patent of invention is entitled
Deep basal pit health monitoring management system and its management method, the present invention feature deep, big and complicated for deep basal pit, utilize BIM
With three-dimensional laser measuring technique, the real-time monitoring to deep basal pit is realized.The existing detection using BIM and three-dimensional laser scanning technique
Platform still continues to use traditional algorithm, does not optimize to system, and 3D laser scanning model can not be shown by web, and then can not
The effectively variation of identification foundation pit and danger source.
Application No. is CN201810025950.8, the entitled a kind of intelligent pit retaining monitoring system of patent of invention, from data
It collects report generation and greatly shortens the time, promptly and accurately foundation pit status information is provided to construction party, in the feelings for not increasing manpower
Under condition, report extension hysteresis is not caused because monitoring frequency increases.Application No. is CN201810449089.8, invention is special
A kind of entitled foundation pit on-line monitoring system integrated data storage transmitting device of benefit, the present invention effectively raise field data and deposit
The convenience and versatility of the transmission of storage, improve work on the spot efficiency.Though existing deep pit monitor monitoring platform has using cloud
Platform, but such platform still uses traditional deep pit monitor monitoring management mode, is not carried out monitoring data visualization and auxiliary is remote
Range monitoring function.
Summary of the invention
The traditional algorithm used for current deep basal pit monitoring system is not optimized processing and 3 D laser scanning mould
The technical issues of type can not be shown by web platform, the invention proposes a kind of complexity based on BIM+3D laser scanner technique
Deep basal pit monitors system, carries out light-weight technologg to BIM model and point cloud model respectively using optimization algorithm, and synthesizes three-dimensional deep
Excavation models；Three-dimensional deep basal pit model is shown using web platform, realizes the visualization of BIM model；By field monitoring data
It is transferred to web platform, monitoring data is enable to check in three-dimensional deep basal pit model in real time, find danger source in time and carries out phase
The processing answered.
The technical scheme of the present invention is realized as follows:
A kind of complicated deep monitoring system based on BIM+3D laser scanner technique, including 3D laser scanning system, BIM system
With monitoring system；3D laser scanning system and BIM system are connected with monitoring system respectively；The 3D laser scanning system includes
3D laser scanner, for obtaining the point cloud model of true deep basal pit；BIM system includes drawing import unit, for reading
The drawing information of deep basal pit obtains the three-dimensional BIM model of deep basal pit；The monitoring system is used to carry out the deep basal pit at scene real
Shi Yuancheng monitoring, monitoring system includes cloud platform system and early warning system；The cloud platform system with 3D laser scanning system,
BIM system is connected, early warning system is connected.
A kind of monitoring method of the complicated deep monitoring system based on BIM+3D laser scanner technique, its step are as follows:
S1, the drawing information of deep basal pit is imported in Revit software, it is raw to carry out three-dimensional modeling to deep basal pit using Revit software
At BIM model, and processing is optimized to BIM model and obtains lightweight BIM model；
S2,3D laser scanning acquisition point cloud data is carried out to the deep basal pit region that supporting is completed using 3D laser scanning system,
Denoising, point cloud and coordinate transform are carried out to point cloud data again and establish three-dimensional point cloud model, and to three-dimensional point cloud model
It optimizes processing and obtains lightweight point cloud model；
S3, lightweight BIM model and lightweight point cloud model are inputted to web platform respectively, are equipped with model treatment list in web platform
Member is coordinately transformed conversion to the data of lightweight BIM model and lightweight point cloud model in model treatment unit respectively
The data of virtual scene and the data of real scene are obtained into engineering actual coordinates, then by coordinate unification to real scene
Data and the data of virtual scene carry out synthesis in model treatment unit and construct three-dimensional deep basal pit model, and be arranged three-dimensional deep
The error tolerance of the data in each region in excavation models, then three-dimensional deep basal pit model and error tolerance are shown by web platform
Show；
S4, monitoring personnel carry out field monitoring to the deep basal pit that supporting is completed using total station and level and obtain monitoring number
According to, and monitoring data are uploaded to web platform and are compared with three-dimensional deep basal pit model, comparing result is shown by web platform, is sentenced
The critical point of disconnected monitoring data and dangerous point monitor system to mobile phone when monitoring data exceed the threshold value of warning of error tolerance
End sends pre-warning signal, and staff takes timely remedial measure, while return step S4, cyclically by monitoring data and three-dimensional
Deep basal pit model compares, until meeting termination condition, to realize the safety monitoring of deep basal pit.
Preferably, the method that processing obtains lightweight BIM model is optimized to BIM model in the step S1 are as follows:
S11, selected BIM model reference mark point and record the coordinate of reference mark point, then to the coordinate of reference mark point into
The mobile processing of row, is consistent the coordinate of itself and in-site measurement unwrapping wire；
The compression accuracy of S12, selected BIM model；
S13, the selected geometry and attribute information for wanting derived BIM model, and geometry and attribute information is lossless
It is output in the lbp file in cloud platform, obtains lightweight BIM model.
Preferably, the method that processing obtains lightweight point cloud model is optimized to three-dimensional point cloud model in the step S2
Are as follows: the point cloud data of three-dimensional point cloud model is transmitted as a stream and rendered, then uses the multiresolution point cloud layer of on-demand loading
Secondary structure carries out compression storage；The point cloud data outside view frustums is rejected simultaneously, with the region of higher details rendering nearby, with lower
Details renders the region of distant place, obtains lightweight point cloud model.
Preferably, the lightweight point cloud model in the step S2 is the practical three-dimensional that the deep basal pit structure of supporting is completed
Model.
Preferably, pre-warning signal is divided by yellow early warning, orange warning and red according to threshold value of warning according in step S4
Early warning three grades.
Preferably, according to termination condition in step S4 are as follows: monitoring data are without departing from three-dimensional deep basal pit model corresponding position
The error tolerance of data.
What the technical program can generate has the beneficial effect that:
1. enabling monitoring data in real time in three-dimensional BIM scene based on the comprehensive detection platform that BIM model and point cloud model compare
In check.
2. using optimization algorithm, light-weight technologg is carried out to BIM model and point cloud model, it can be by the geometry number of threedimensional model
According in the input cloud platform lossless with attribute information, applied convenient for being shown using browser or mobile phone terminal.
3. using web platform can real time inspection monitoring data and three-dimensional deep basal pit model data comparison, realize three-dimensional deep
The visualization of excavation models and aided remote monitoring.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is system block diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of complicated deep based on BIM+3D laser scanner technique monitors system, including 3D laser is swept
Retouch system, BIM system and monitoring system；3D laser scanning system and BIM system are connected with monitoring system respectively；The 3D swashs
Photo-scanning system includes 3D laser scanner, for obtaining the point cloud model of true deep basal pit；BIM system includes that drawing imports
Unit obtains the three-dimensional BIM model of deep basal pit for reading the drawing information of deep basal pit；The monitoring system includes cloud platform
System and early warning system carry out real-time remote monitoring to the deep basal pit at scene；The cloud platform system and 3D laser scanning system
It is connected, cloud platform system is connected with BIM system, and point cloud model and BIM model are inputted respectively and synthesize three-dimensional in cloud platform
Deep basal pit model is simultaneously shown by cloud platform；Cloud platform system is connected with early warning system, carries out to the deep basal pit at scene real-time
Long-range monitoring finds dangerous point in time and adopts remedial measures, while returning to cloud platform system, is supervised in real time to deep basal pit
Control, realizes the safety monitoring of deep basal pit.
A kind of monitoring method of the complicated deep monitoring system based on BIM+3D laser scanner technique, specific steps are such as
Under:
S1, the drawing information of deep basal pit is imported in Revit software, it is raw to carry out three-dimensional modeling to deep basal pit using Revit software
At BIM model, and processing is optimized to BIM model and obtains lightweight BIM model.
It is described to BIM model optimize processing obtain the specific steps of lightweight BIM model are as follows:
S11, selected BIM model reference mark point and record the coordinate of reference mark point, then to the coordinate of reference mark point into
The mobile processing of row, is consistent the coordinate of itself and in-site measurement unwrapping wire；Wherein, reference mark point is typically chosen in BIM model
Axis net crosspoint.
The compression accuracy of S12, selected BIM model；For compression accuracy between 0.1 to 1, defaulting selected compression accuracy is 0.5,
It is smaller to select the smaller compression volume of compression accuracy for as 20% or so of disk space shared by archetype.
S13, the selected geometry and attribute information for wanting derived BIM model, and by geometry and attribute information without
In the lbp file of damage being output in cloud platform, lightweight BIM model is obtained；Wherein, geometry includes removal BIM model
In non-geometry information, only remain the structure and geometric topo-relationship of BIM model, same clan's type, the name of attribute information packet component
Custom Attributes and restrictive condition, material, size marking, the mark datas such as title, component ID.
S2, a 3D laser scanning acquisition point cloud number is carried out to the deep basal pit region that supporting is completed using 3D laser scanning system
According to, then denoising, point cloud and coordinate conversion are carried out to point cloud data and establish three-dimensional point cloud model, and to three-dimensional point cloud mould
Type optimizes processing and obtains lightweight point cloud model；Lightweight point cloud model is the reality that the deep basal pit structure of supporting is completed
Border threedimensional model.Wherein, the 3D laser scanner in 3D laser scanning system is using Riegl VZ-400 type three-dimensional laser
Scanner, by Riegl VZ-400 type three-dimensional laser scanner to after deep basal pit field scan pass through matched Riscan pro
The point cloud data of Software Create las format.
It is described that the method that processing obtains lightweight point cloud model is optimized to three-dimensional point cloud model are as follows: to three-dimensional point cloud mould
The point cloud data of type is transmitted as a stream and is rendered, then is used the multiresolution point cloud hierarchical structure of on-demand loading to carry out compression and deposited
Storage；The point cloud data outside view frustums is rejected simultaneously, with the region of higher details rendering nearby, with the area of lower details rendering distant place
Domain obtains lightweight point cloud model.
S3, lightweight BIM model and lightweight point cloud model are inputted to web platform respectively, are equipped at model in web platform
Unit is managed, the data of lightweight BIM model and lightweight point cloud model are coordinately transformed respectively in model treatment unit
It is transformed into engineering actual coordinates and obtains the data of virtual scene and the data of real scene, then by coordinate unification to true
The data of scene and the data of virtual scene carry out synthesis in model treatment unit and construct three-dimensional deep basal pit model, and are arranged three
The error tolerance of the data in each region in deep basal pit model is tieed up, then three-dimensional deep basal pit model and error tolerance are put down by web
Platform is shown；If modified to BIM model, when the data and inconsistent virtual scene data of real scene by virtual scene
Data modification is real scene data.
S4, monitoring personnel carry out field monitoring to the deep basal pit that supporting is completed using total station and level and are monitored
Data, and monitoring data are uploaded to web detection platform and are compared with three-dimensional deep basal pit model, it is shown and is compared by web platform
As a result, judge critical point and the dangerous point of monitoring data, and when monitoring data exceed the threshold value of warning of error tolerance, web platform
Display is abnormal, and early warning system is issued warning signal to mobile phone terminal, and the grade of pre-warning signal is divided into yellow early warning, orange warning and red
Color early warning three grades, staff take corresponding remedial measure, while return step S4 according to warning grade, cyclically will
Monitoring data are compared with three-dimensional deep basal pit model, until meeting monitoring data without departing from three-dimensional deep basal pit model corresponding position
The requirement of the error tolerance of data, to realize the safety monitoring of deep basal pit.By web platform can real time inspection deep basal pit number
According to and monitoring data, realize monitoring system long-range monitoring, find the problem, solve the problems, such as in time convenient for staff.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of complicated deep based on BIM+3D laser scanner technique monitors system, which is characterized in that swept including 3D laser
Retouch system, BIM system and monitoring system；3D laser scanning system and BIM system are connected with monitoring system respectively；The 3D swashs
Photo-scanning system includes 3D laser scanner, for obtaining the point cloud model of true deep basal pit；BIM system includes that drawing imports
Unit obtains the three-dimensional BIM model of deep basal pit for reading the drawing information of deep basal pit；The monitoring system is used for scene
Deep basal pit carry out real-time remote monitoring, monitoring system includes cloud platform system and early warning system；The cloud platform system with
3D laser scanning system, BIM system are connected, early warning system is connected.
2. a kind of monitoring method of the complicated deep monitoring system based on BIM+3D laser scanner technique, which is characterized in that its
Steps are as follows:
S1, the drawing information of deep basal pit is imported in Revit software, it is raw to carry out three-dimensional modeling to deep basal pit using Revit software
At BIM model, and processing is optimized to BIM model and obtains lightweight BIM model；
S2,3D laser scanning acquisition point cloud data is carried out to the deep basal pit region that supporting is completed using 3D laser scanning system,
Denoising, point cloud and coordinate transform are carried out to point cloud data again and establish three-dimensional point cloud model, and to three-dimensional point cloud model
It optimizes processing and obtains lightweight point cloud model；
S3, lightweight BIM model and lightweight point cloud model are inputted to web platform respectively, are equipped with model treatment list in web platform
Member is coordinately transformed conversion to the data of lightweight BIM model and lightweight point cloud model in model treatment unit respectively
The data of virtual scene and the data of real scene are obtained into engineering actual coordinates, then by coordinate unification to real scene
Data and the data of virtual scene carry out synthesis in model treatment unit and construct three-dimensional deep basal pit model, and be arranged three-dimensional deep
The error tolerance of the data in each region in excavation models, then three-dimensional deep basal pit model and error tolerance are shown by web platform
Show；
S4, monitoring personnel carry out field monitoring to the deep basal pit that supporting is completed using total station and level and obtain monitoring number
According to, and monitoring data are uploaded to web platform and are compared with three-dimensional deep basal pit model, comparing result is shown by web platform, is sentenced
The critical point of disconnected monitoring data and dangerous point monitor system to mobile phone when monitoring data exceed the threshold value of warning of error tolerance
End sends pre-warning signal, and staff takes timely remedial measure, while return step S4, cyclically by monitoring data and three-dimensional
Deep basal pit model compares, until meeting termination condition, to realize the safety monitoring of deep basal pit.
3. the monitoring side of the complicated deep monitoring system according to claim 2 based on BIM+3D laser scanner technique
Method, which is characterized in that the method that processing obtains lightweight BIM model is optimized to BIM model in the step S1 are as follows:
S11, selected BIM model reference mark point and record the coordinate of reference mark point, then to the coordinate of reference mark point into
The mobile processing of row, is consistent the coordinate of itself and in-site measurement unwrapping wire；
The compression accuracy of S12, selected BIM model；
S13, the selected geometry and attribute information for wanting derived BIM model, and geometry and attribute information is lossless
It is output in the lbp file in cloud platform, obtains lightweight BIM model.
4. the monitoring side of the complicated deep monitoring system according to claim 2 based on BIM+3D laser scanner technique
Method, which is characterized in that the method that processing obtains lightweight point cloud model is optimized to three-dimensional point cloud model in the step S2
Are as follows: the point cloud data of three-dimensional point cloud model is transmitted as a stream and rendered, then uses the multiresolution point cloud layer of on-demand loading
Secondary structure carries out compression storage；The point cloud data outside view frustums is rejected simultaneously, with the region of higher details rendering nearby, with lower
Details renders the region of distant place, obtains lightweight point cloud model.
5. the monitoring side of the complicated deep monitoring system according to claim 2 based on BIM+3D laser scanner technique
Method, which is characterized in that the lightweight point cloud model in the step S2 is the practical three-dimensional that the deep basal pit structure of supporting is completed
Model.
6. the monitoring side of the complicated deep monitoring system according to claim 2 based on BIM+3D laser scanner technique
Method, which is characterized in that pre- according to pre-warning signal is divided into yellow early warning, orange warning and red according to threshold value of warning in step S4
Alert three grades.
7. the monitoring side of the complicated deep monitoring system according to claim 2 based on BIM+3D laser scanner technique
Method, which is characterized in that according to termination condition in step S4 are as follows: number of the monitoring data without departing from three-dimensional deep basal pit model corresponding position
According to error tolerance.
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| CN110617796A (en) * | 2019-09-06 | 2019-12-27 | 北京住总集团有限责任公司 | System for settlement monitoring based on laser three-dimensional modeling |
| CN110737936A (en) * | 2019-09-23 | 2020-01-31 | 江西毕姆工程技术有限公司 | full-process project management platform based on BIM technology |
| CN110807571A (en) * | 2019-09-19 | 2020-02-18 | 同济大学 | Building engineering quality control system based on combination of 3d laser sensing and BIM |
| CN111006676A (en) * | 2019-11-14 | 2020-04-14 | 广东博智林机器人有限公司 | Map construction method, device and system |
| CN111046460A (en) * | 2019-11-23 | 2020-04-21 | 中国水利水电第七工程局有限公司 | Foundation pit monitoring system and method based on BIM |
| CN111340953A (en) * | 2020-02-14 | 2020-06-26 | 北京中外建建筑设计有限公司 | Method for realizing engineering design by combining point cloud data with building model |
| CN111441330A (en) * | 2020-04-24 | 2020-07-24 | 福州大学 | Foundation pit monitoring system and method based on BIM + GIS |
| 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 |
| CN111695182A (en) * | 2020-05-28 | 2020-09-22 | 北京朔方天城智能科技有限公司 | BIM (building information modeling) model on-demand loading switching method and system |
| CN111945796A (en) * | 2020-08-04 | 2020-11-17 | 陕西省建筑科学研究院有限公司 | Foundation pit deformation monitoring synchronous simulation analysis and real-time early warning system based on BIM technology |
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| CN113310533A (en) * | 2021-07-02 | 2021-08-27 | 江苏省苏中建设集团股份有限公司 | Automatic actual measurement system of building engineering |
| CN113688459A (en) * | 2021-08-31 | 2021-11-23 | 中国建筑第七工程局有限公司 | BIM and AI-based construction site safety management system |
| CN114840899A (en) * | 2022-05-17 | 2022-08-02 | 中国建筑第二工程局有限公司 | BIM-based three-dimensional scanning earthwork balance analysis method and device |
| CN115183694A (en) * | 2022-09-09 | 2022-10-14 | 北京江河惠远科技有限公司 | Power transmission line foundation digital measurement system and control method thereof |
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| CN113310533A (en) * | 2021-07-02 | 2021-08-27 | 江苏省苏中建设集团股份有限公司 | Automatic actual measurement system of building engineering |
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| CN115183694B (en) * | 2022-09-09 | 2022-12-09 | 北京江河惠远科技有限公司 | Power transmission line foundation digital measurement system and control method thereof |
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