CN109783851A - Railway bowstring arch bridge Construction simulation system and method based on 3DGIS and BIM technology - Google Patents
Railway bowstring arch bridge Construction simulation system and method based on 3DGIS and BIM technology Download PDFInfo
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Abstract
The railway bowstring arch bridge Construction simulation system based on 3DGIS and BIM technology that the invention discloses a kind of, comprising: BIM model conversion module, view control module, data exporting module, object adding module, measures enquiry module, Virtual Construction tool model, presentation tool module at 3DGIS data integration module.The invention also discloses the methods emulated using the system, the procedure technology virtual emulation for constructing virtual scene and carrying out in construction site topography and geomorphology and the inquiry of security risk information, work progress is may be implemented in 3DGIS system, there are problems for discovery in time, communication efficiency is improved, the construction organization of railway bowstring arch bridge and safety management quality are remarkably improved.This method can efficiently use survey data, BIM result of design under the premise of carrying out railway BIM design, 3DGIS implementation management information-based systems construction, and realization is integrated with information system, and the difficulty and cost of Construction simulation is greatly reduced.
Description
Technical field
The invention belongs to railroad bridge construction simulation technical fields, and in particular to one kind is based on 3DGIS and BIM technology
Railway bowstring arch bridge Construction simulation system and method.
Technical background:
Bowstring arch bridge is a kind of Beam-Arch Combined Bridge for Its, because its structural behaviour is superior, span ability is big, structural system is clever
It lives, construct the features such as small to Coherent traffic noise, be mainly used in railway small-angle skew across major urban arterial highway, highway etc..
Its maximum feature and difficult point are that construction site environment is complicated and changeable, security risk is high, construction organization difficulty is big.
And in current bowstring arch bridge process of construction, it cannot intuitively be opened up referring to the arrangement and method for construction of two-dimentional drawing and document form
Show bridge construction process, it is difficult to engineering relevant party with regard to site environment and design conditions, construction organization situation, weight difficult point of constructing
Full and accurate illustration and description are carried out, communication efficiency is reduced, influence project progress, can not find construction safety hidden danger in time.
It the research of railroad construction information model (Building Information Modeling, BIM) technology and applies
Current generation mainly solves the problems such as three dimensional design, coordinated management, Digital manufacturing, in building engineering site geographical environment mould
There is certain limitation, the application cost in railroad bridge Construction simulation in terms of type, integrated management, Construction simulation three-dimensional animation
Height, difficulty are big.
It is the method currently mainly used based on the emulation of the bridge construction of three-dimensional modeling and video display cartoon technique, but due to
Its engineering staff's participation is low, achievement reusability is low, it is at high cost, can not be integrated with information system, in the full life of current rail
Under the main trend of period and information system management, practicability is not high.
Summary of the invention:
BIM can be efficiently used it is an object of the present invention to provide one kind to design a model and 3DGIS data, can be believed with railway
Breathization management system is integrated, the lower-cost railway bowstring arch bridge Construction simulation system based on 3DGIS and BIM technology.
It is a further object of the present invention to provide a kind of methods for carrying out railway bowstring arch bridge Construction simulation using above system.
For this purpose, technical scheme is as follows:
A kind of railway bowstring arch bridge Construction simulation system based on 3DGIS and BIM technology, which is characterized in that including BIM mould
Type conversion module, view control module, data exporting module, object adding module, measures 3DGIS data integration module
Enquiry module, Virtual Construction tool model and presentation tool module, result output module, the BIM model conversion module are used for
The processing of BIM model data；The 3DGIS data integration module is used for the integrating three-dimensional geographical environment under WGS84 earth coordinates
Model, engineering BIM model, character and graphic mark, geography information VectorLayer, design and construction deepen conceptual scheme, and building is three-dimensional
Virtual scene is visualized, data access is carried out by way of data service or local disposition；The view control module is used for
Three dimensional navigation and viewing angle control；The data exporting module is imported for data and data export；The object adds mould
Block is for label character, graphic plotting and addition engineering machinery model；The measurement enquiry module is for distance measuring mark, face
Accumulated amount survey, Earthwork calculation, the inquiry of route mileage, coordinate setting and model attributes inquiry；The Virtual Construction tool model use
Flat creation, tower crane operation dynamic analog, truck crane lifting operation dynamic analog and model 4D animation layout；The presentation tool mould
Block is used for layout work progress Show Me animation；The result output module be packaged for the output of picture video achievement, data and
Web Publishing.
Above-mentioned BIM model data pretreatment includes by BIM model conversion derived from different modeling softwares into 3DGIS software branch
The format held, position, posture and zoom factor of the model for accurate calculation under WGS84 earth coordinates are eliminated each class model and are become
Shape.
Above-mentioned data importing includes shape, dxf, image, Excel table, Document type data under construction coordinate system
It imports, is automatically performed the conversion to WGS84 geodetic coordinates, realizes high-precision Data Integration；The data export includes export
The figure and text annotation drawn are automatically performed to construction coordinate system and convert, the export and multiplexing of Realizing Achievement.
Above-mentioned engineering machinery model includes tower crane model, truck crane model, which has animation joint, supports operation mould
Quasi- operation, model library support extension.
The flat creation in field in above-mentioned Virtual Construction tool model includes automatically creating field according to arbitrary polygon and elevation to put down
And slope is brushed, it digs a well basic model for creating bridge pier；The tower crane operation dynamic analog includes any adjusting tower crane height, automatic
Calculating job area, freely swing operation within the scope of assignment；The truck crane lifting operation dynamic analog includes passing through
The editor of user and crane simulated operation, complete the lifting of multiple objects, and record is all acted and saved；The Virtual Construction work
Having the model 4D animation layout in module includes by time series programming facility, is that each model, figure, annotation etc. assign
Life cycle by the display of time shaft control object and is hidden.
Above-mentioned layout work progress Show Me animation is the combined application using tool described in claim 1-5, according to being
Arch Bridge Construction organization scheme works out complete work progress animation and records preservation, can edit and repeat playing, work progress
Animation leads comprising surrounding enviroment, Survey design, construction site layout, traffic and changes scheme, lower part engineering construction process, beam portion engineering
Working procedure, arch structure construction process and schedule.
It is a kind of above-mentioned based on the railway bowstring arch bridge Construction simulation system of 3DGIS and BIM technology progress railway tied arch
The method of bridge construction emulation, it is characterised in that the following steps are included:
The first step realizes unified earth coordinates using the 3DGIS data integration module: collecting design and construction uses
Construction coordinate system design parameter, obtain accurate conversion parameter between construction coordinate system and WGS84 earth coordinates；
Second step builds three-dimensional geographic scenes using the 3DGIS data integration module: collecting prospective design, engineering pipe
Existing DOM, DEM data, UAV Video data during reason are handled by photogrammetric data, coordinate system is converted, foundation
Three-dimensional geographic scenes based on WGS84 ellipsoidal coordinates；
Third step, carries out BIM using the BIM model conversion module and designs a model data processing: (1) collecting BIM and design
Model, according to railway bowstring arch bridge working procedure, first by BIM model decomposition be substructure, beam structure, arch structure,
Then according to the further degradable member of minimum construction cell；(2) component after decomposition is exported as into .x format respectively, is recorded simultaneously
Coordinate value, BIM of the component under BIM model coordinate systems model coordinate system parameters, carry out light-weight technologg to component model, dry
Training, imported into three-dimensional geographic scenes through coordinate system Batch conversion；
4th step, use the 3DGIS data integration module carry out engineering submodel modeling and processing: using Revit,
The BIM such as Tekla, 3dmax design and modeling software establish reinforcing bar, template, beam portion construction bracket, arch rib construction bracket model, adopt
It is imported into three-dimensional geographic scenes with the processing method of step (2) in above-mentioned third step；
5th step carries out the production of traffic diversion plan using the data exporting module: by traffic water conservancy diversion plan view
It imported into three-dimensional geographic scenes, or repaints traffic diversion plan in three-dimensional scenic according to schematic diagram；
6th step adds construction object using the object adding module: according to construction scheme, in correct position
Add levelling of the land, pier footing excavation and truck crane.
7th step adds text and figure labeling using the object adding module: to keypoint part in three-dimensional scenic
Geometric dimension, distance, explanatory note and figure labeling are added, for introducing construction site environment, Survey design, construction risk point
And weight difficult point；
8th step carries out object time attribute assignment using the Virtual Construction tool model: according to working procedure and applying
Group schedule carries out time attribute assignment to models all in scene, figure, mark, makes 4D process animation；
9th step uses Virtual Construction tool, presentation tool module layout operation animation: carrying out truck crane lifting operation mould
Quasi-, component conveying simulation, addition roaming route, complicated technique animation is made using presentation tool.
Achievement is published to information system management platform using result output module: saving project file, be based on by the tenth step
The railway construction information system management platform of 3DGIS is issued, and achievement directly browses broadcasting in browser end.
11st step uses result output module making video clip: output 3 d effect graph and video clip, for void
The material of quasi- construction video production, makes video clip.
The invention has the following advantages:
1, the railway bowstring arch bridge Construction simulation system and method for the invention based on 3DGIS and BIM technology, realize
Based on building virtual scene in 3DGIS system and carry out construction site topography and geomorphology and the inquiry of security risk information, work progress
In procedure technology virtual emulation, can find in time there are problem, improve communication efficiency, railway tied arch can be significantly improved
Bridge construction tissue and safety management quality；
2, this method is different from the railway bowstring arch bridge based on three-dimensional modeling and video display animation software, BIM design software and applies
Work emulation mode can efficiently use under the premise of carrying out railway BIM design, 3DGIS implementation management information-based systems construction
BIM result of design, realization is integrated with information system, significantly reduces the difficulty and cost of Construction simulation, has expanded application
Face；
3, this method combines 3DGIS with railway BIM technology, and effective use designs a model and existing three-dimensional geographic information
Data, the authenticity and geometric accuracy of data are high, all kinds of emulation and animated function are developed and integrate in 3DGIS platform, by work
Cheng personnel directly operate, achievement reusable, realize Construction simulation and merge with design, construction, information system management.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of railway bowstring arch bridge Construction simulation system of the invention；
Fig. 2 is the flow chart of railway bowstring arch bridge Construction simulation method of the invention；
Fig. 3 is the result output flow chart that Construction simulation is carried out using method of the invention；
Fig. 4 is BIM model data processing result schematic diagram in the present invention；
Fig. 5 is the traffic diversion plan schematic diagram of step S5 in method of the invention；
Fig. 6-Fig. 9 is the material schematic diagram that step S11 is provided in method of the invention.
Specific embodiment
Analogue system and emulation mode of the invention are described in detail with reference to the accompanying drawing.
As shown in Figure 1, the railway bowstring arch bridge Construction simulation system of the invention based on 3DGIS and BIM technology includes:
BIM model conversion module, 3DGIS data integration module, view control module, data exporting module, object adding module,
Measure enquiry module, Virtual Construction tool model, presentation tool module and result output module.Wherein:
The BIM model conversion module is pre-processed for BIM model data；
The 3DGIS data integration module is used for integrating three-dimensional Geographic environmental model, engineering under WGS84 earth coordinates
BIM model, character and graphic mark, geography information VectorLayer and design and construction deepen conceptual scheme, and building three-dimensional visualization is empty
Quasi- scene, carries out data access by way of data service or local disposition；
The view control module is used for three dimensional navigation and viewing angle control；
The data exporting module is imported and is exported for data；
The object adding module is for label character, graphic plotting and addition engineering machinery model；
The measurement enquiry module is for distance measuring mark, measuring area, Earthwork calculation, the inquiry of route mileage, coordinate
Positioning and model attributes inquiry；
The Virtual Construction tool model equals creation, tower crane operation dynamic analog, truck crane lifting operation dynamic for field
Simulation and model 4D animation layout；
The presentation tool module is for layout and plays work progress Show Me animation；
Output, data packing and Web Publishing of the result output module for picture video achievement.
The engineering machinery model of above-mentioned object adding module addition includes but is not limited to tower crane model and truck crane model,
The model has animation joint, supports operation simulated operation.
Above-mentioned BIM model data pretreatment includes by BIM model conversion derived from different modeling softwares into 3DGIS software
The format of support, position of the model for accurate calculation under WGS84 earth coordinates, posture, zoom factor are eliminated each class model and are become
Shape.
The data importing includes shape, dxf, image, Excel table, Document type data under construction coordinate system
It imports, is automatically performed the conversion to WGS84 geodetic coordinates, realizes high-precision Data Integration；The data export includes export
The figure and text annotation drawn are automatically performed to construction coordinate system and convert, the export and multiplexing of Realizing Achievement.
The flat creation in field in the Virtual Construction tool model includes automatically creating field according to arbitrary polygon and elevation to put down
And slope is brushed, it can be used for creating bridge pier and dig a well basic model；The tower crane operation dynamic analog include any adjusting tower crane height, from
Dynamic calculating job area, freely swing operation within the scope of assignment；The truck crane lifting operation dynamic analog includes logical
Editor and the crane simulated operation for crossing user complete the lifting of multiple objects, and record is all acted and saved, and repeat and play.
Model 4D animation layout in the Virtual Construction tool model includes by time series programming facility, is each
The life-giving period such as a model, figure, annotation by the display of time shaft control object and hides.
- Fig. 9 referring to fig. 2, the railway bowstring arch bridge Construction simulation method of the invention based on 3DGIS and BIM technology include
Following steps:
The first step realizes unified earth coordinates using the 3DGIS data integration module: collecting design and construction uses
Construction coordinate system design parameter, obtain accurate conversion parameter between construction coordinate system and WGS84 earth coordinates；
Second step builds three-dimensional geographic scenes using the 3DGIS data integration module: collecting prospective design, engineering pipe
Existing DOM, DEM data, UAV Video data during reason are handled by photogrammetric data, coordinate system is converted, foundation
Three-dimensional geographic scenes based on WGS84 ellipsoidal coordinates；
Third step, carries out BIM using the BIM model conversion module and designs a model data processing: (1) collecting BIM and design
Model, according to railway bowstring arch bridge working procedure, first by BIM model decomposition be substructure, beam structure, arch structure,
Then according to the further degradable member of minimum construction cell；(2) component after decomposition is exported as into .x format respectively, is recorded simultaneously
Coordinate value, BIM of the component under BIM model coordinate systems model coordinate system parameters, carry out light-weight technologg to component model, dry
Training, imported into three-dimensional geographic scenes through coordinate system Batch conversion.Left side directory tree show bridge BIM and designs a model in Fig. 4
Decomposition texture, right side view show the effect that BIM model is poured into after processing in three-dimensional geographic scenes.
4th step, use the 3DGIS data integration module carry out engineering submodel modeling and processing: using Revit,
The BIM such as Tekla, 3dmax design and modeling software establish reinforcing bar, template, beam portion construction bracket, arch rib construction bracket model, adopt
It is imported into three-dimensional geographic scenes with the processing method of step (2) in above-mentioned third step；
5th step carries out the production of traffic diversion plan using the data exporting module: by traffic water conservancy diversion plan view
It imported into three-dimensional geographic scenes, or repaints traffic diversion plan in three-dimensional scenic according to schematic diagram；
6th step adds construction object using the object adding module: according to construction scheme, in correct position
Add levelling of the land, pier footing excavation and truck crane.
7th step adds text and figure labeling using the object adding module: to keypoint part in three-dimensional scenic
Geometric dimension, distance, explanatory note and figure labeling are added, for introducing construction site environment, Survey design, construction risk point
And weight difficult point；
8th step carries out object time attribute assignment using the Virtual Construction tool model: according to working procedure and applying
Group schedule carries out time attribute assignment to models all in scene, figure, mark, makes 4D process animation；
9th step uses Virtual Construction tool, presentation tool module layout operation animation: carrying out truck crane lifting operation mould
Quasi-, component conveying simulation, addition roaming route, complicated technique animation is made using presentation tool.
Achievement is published to information system management platform using result output module: saving project file, be based on by the tenth step
The railway construction information system management platform of 3DGIS is issued, and achievement directly browses broadcasting in browser end.
11st step uses result output module making video clip: output 3 d effect graph and video clip, for void
The material of quasi- construction video production, makes video clip.
The present invention is using 3DGIS system as data integration, schemes show platform, using WGS84 or CGS2000 geodetic coordinates
System carries out three-dimensional modeling and integration exhibition according to actual geographical coordinate on ellipsoid, the true geographic orientation and opposite of reflecting
Spatial relationship.It is macro using the existing data of Survey & Design of Railways stage aerophotogrammetry (DEM, DOM) building engineering in the present invention
See three-dimensional Geographic environmental model；Using construction stage unmanned plane line walking video data, handled through photogrammetric survey method, for updating
With attenuating environment model.Existing data can be efficiently used, cost is reduced.
The present invention carries out BIM modeling and model decomposition, bridge substructure, beam to railway bowstring arch bridge according to arrangement and method for construction
Portion's structure, arch structure are modeled using Catia, and reinforcing bar is modeled using Tekla, and the submodels such as template use Revit or 3dmax
Modeling, the component model after decomposition exports as exchange format (.X format) and loader table from modeling software, by accurately sitting
Mark conversion, carries out assembly integration in 3DGIS system.
In the present invention, traffic is imported in 3DGIS system and is led and change plan view, add figure labeling and label character, knot
Environmental model and bridge BIM model are closed, the traffic in Dynamic Display construction overall process, which is led, changes scheme.
Model library is created in 3DGIS system, develops ancillary works modeling function and construction machinery library, directly integrated flat
Bridge pier is created in platform to dig a well basic model, stent model, trolly cranes model, is used for railway bowstring arch bridge Construction simulation.In emulation ring
Construction risk point and weight difficult point are recognized and identified in border.
The present invention carries out railway bowstring arch bridge construction overall process according to group plan and a construction technology is applied in 3DGIS system
The layout of animation, achievement, in browser end direct viewing, are also mentioned by Web Publishing for the complete description movie and television film of arrangement and method for construction
For main picture and video material.
This method is different from the railway bowstring arch bridge construction based on three-dimensional modeling and video display animation software, BIM design software
Emulation mode can efficiently use exploration under the premise of carrying out railway BIM design, 3DGIS implementation management information-based systems construction
Data, BIM result of design, realization is integrated with information system, and the difficulty and cost of Construction simulation is greatly reduced.
Claims (7)
1. a kind of railway bowstring arch bridge Construction simulation system based on 3DGIS and BIM technology, which is characterized in that including BIM model
Conversion module, view control module, data exporting module, object adding module, is measured and is looked into 3DGIS data integration module
Module, Virtual Construction tool model, presentation tool module and result output module are ask,
The BIM model conversion module is for the processing of BIM model data；
The 3DGIS data integration module is used for integrating three-dimensional Geographic environmental model, engineering BIM under WGS84 earth coordinates
Model, character and graphic mark, geography information VectorLayer, design and construction deepen conceptual scheme, construct three-dimensional visualization virtual field
Scape carries out data access by way of data service or local disposition；
The view control module is used for three dimensional navigation and viewing angle control；
The data exporting module is imported for data and data export；
The object adding module is for label character, graphic plotting and addition engineering machinery model；
The measurement enquiry module is for distance measuring mark, measuring area, Earthwork calculation, the inquiry of route mileage, coordinate setting
It is inquired with model attributes；
The Virtual Construction tool model use put down creation, tower crane operation dynamic analog, truck crane lifting operation dynamic analog and
Model 4D animation layout；
The presentation tool module is used for layout work progress Show Me animation,
Output, data packing and Web Publishing of the result output module for picture video achievement.
2. railway bowstring arch bridge Construction simulation method according to claim 1, it is characterised in that: the BIM model data
Pretreatment includes the format by BIM model conversion derived from different modeling softwares at 3DGIS software support, and model for accurate calculation exists
Each class model deformation is eliminated in position, posture and zoom factor under WGS84 earth coordinates.
3. railway bowstring arch bridge Construction simulation method according to claim 1, it is characterised in that: the data, which import, includes
The importing of shape, dxf, image, Excel table, Document type data under construction coordinate system are automatically performed to WGS84 the earth
High-precision Data Integration is realized in the conversion of coordinate；It includes export drawn figure and text annotation that the data, which export, automatic
It completes to convert to construction coordinate system, the export and multiplexing of Realizing Achievement.
4. railway bowstring arch bridge Construction simulation method according to claim 1, it is characterised in that: the engineering machinery model
Including tower crane model, truck crane model, which has animation joint, supports operation simulated operation, and model library supports extension.
5. railway bowstring arch bridge Construction simulation method according to claim 1, it is characterised in that: the Virtual Construction tool
The flat creation in field in module includes automatically creating field according to arbitrary polygon and elevation to put down and brush slope, is dug a well base for creating bridge pier
Plinth model；The tower crane operation dynamic analog includes any adjusting tower crane height, calculates job area automatically, in assignment model
Freely swing operation in enclosing；The truck crane lifting operation dynamic analog includes the editor and crane simulated operation by user,
The lifting of multiple objects is completed, record is all acted and saved；Model 4D animation layout in the Virtual Construction tool model
Including being the life-giving periods such as each model, figure, annotation, being controlled by time shaft by time series programming facility
The display of object and hide.
6. railway bowstring arch bridge Construction simulation method according to claim 1, it is characterised in that: the layout work progress
Show Me animation is the combined application using tool described in claim 1-5, according to being that the establishment of Arch Bridge Construction organization scheme is complete
Work progress animation and record preservation, can edit and repeat playing, work progress animation includes that surrounding enviroment, design are general
Condition, construction site layout, traffic, which are led, changes scheme, lower part engineering construction process, beam portion engineering construction process, arch structure construction work
Sequence and schedule.
7. a kind of imitated using of any of claims 1-6 constructed based on 3DGIS and the railway bowstring arch bridge of BIM technology
The method that true system carries out railway bowstring arch bridge Construction simulation, it is characterised in that the following steps are included:
The first step, realize unified earth coordinates using the 3DGIS data integration module: collection designs and what construction used applies
Work coordinate system design parameter obtains accurate conversion parameter between construction coordinate system and WGS84 earth coordinates；
Second step builds three-dimensional geographic scenes using the 3DGIS data integration module: collecting prospective design, engineering management
Existing DOM, DEM data, UAV Video data in journey, are handled, coordinate system conversion by photogrammetric data, and foundation is based on
The three-dimensional geographic scenes of WGS84 ellipsoidal coordinates；
Third step, carries out BIM using the BIM model conversion module and designs a model data processing: (1) it collects BIM and designs a model,
It is first substructure, beam structure, arch structure, then root by BIM model decomposition according to railway bowstring arch bridge working procedure
According to the further degradable member of minimum construction cell；(2) component after decomposition is exported as into .x format respectively, while recording member exists
Coordinate value, BIM under BIM model coordinate systems model coordinate system parameters, carry out light-weight technologg to component model, bake and bank up with earth, through sitting
Mark system Batch conversion is imported into three-dimensional geographic scenes；In Fig. 4 left side directory tree show bridge BIM design a model decomposition knot
Structure, right side view show the effect that BIM model is poured into after processing in three-dimensional geographic scenes.
4th step, use the 3DGIS data integration module carry out engineering submodel modeling and processing: using Revit,
The BIM such as Tekla, 3dmax design and modeling software establish reinforcing bar, template, beam portion construction bracket, arch rib construction bracket model, adopt
It is imported into three-dimensional geographic scenes with the processing method of step (2) in above-mentioned third step；
5th step carries out the production of traffic diversion plan using the data exporting module: traffic water conservancy diversion plan view is imported
Into three-dimensional geographic scenes, or traffic diversion plan is repainted in three-dimensional scenic according to schematic diagram；
6th step is added construction object using the object adding module: according to construction scheme, being added in correct position
Levelling of the land, pier footing excavates and truck crane.
7th step is added text and figure labeling using the object adding module: being added in three-dimensional scenic to keypoint part
Geometric dimension, distance, explanatory note and figure labeling, for introducing construction site environment, Survey design, construction risk point and again
Difficult point；
8th step carries out object time attribute assignment using the Virtual Construction tool model: according to working procedure and Shi Zujin
Degree plan carries out time attribute assignment to models all in scene, figure, mark, makes 4D process animation；
9th step uses Virtual Construction tool, presentation tool module layout operation animation: progress truck crane lifting operation simulation,
Component conveying simulation, addition roaming route, complicated technique animation is made using presentation tool.
Achievement is published to information system management platform using result output module: saving project file, be based on by the tenth step
The railway construction information system management platform of 3DGIS is issued, and achievement directly browses broadcasting in browser end.
11st step uses result output module making video clip: output 3 d effect graph and video clip, for virtually applying
The material of work video production makes video clip.
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| CN110952449A (en) * | 2019-10-25 | 2020-04-03 | 中国一冶集团有限公司 | BIM technology and GIS-based construction application method for extra-large bridge |
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| CN111368448A (en) * | 2020-03-09 | 2020-07-03 | 中国铁路设计集团有限公司 | Process engineering simulation method in virtual geographic environment |
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| CN111597605B (en) * | 2020-04-02 | 2024-05-31 | 中国国家铁路集团有限公司 | Railway dynamic simulation cockpit system |
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| CN111581818A (en) * | 2020-05-06 | 2020-08-25 | 北方工业大学 | BIM technology-based construction site layout optimization method |
| CN111737792A (en) * | 2020-05-25 | 2020-10-02 | 中国电力工程顾问集团西南电力设计院有限公司 | Implementation method applied to dynamic simulation of power transmission line construction |
| CN111950066B (en) * | 2020-08-27 | 2022-09-13 | 中国国家铁路集团有限公司 | Digital twin data driving system based on BIM and GIS technology |
| CN111950066A (en) * | 2020-08-27 | 2020-11-17 | 中国铁路设计集团有限公司 | Digital twin data driving system based on BIM and GIS technology |
| CN111950067B (en) * | 2020-08-31 | 2022-09-30 | 天津大学 | BIM-based earth and rockfill dam construction progress dynamic visual simulation method |
| CN111950067A (en) * | 2020-08-31 | 2020-11-17 | 天津大学 | BIM-based earth and rockfill dam construction progress dynamic visual simulation method |
| CN111985040A (en) * | 2020-09-01 | 2020-11-24 | 中国铁路设计集团有限公司 | Bridge design and construction integrated application method based on BIM and GIS technology |
| CN112199750A (en) * | 2020-10-27 | 2021-01-08 | 中铁第五勘察设计院集团有限公司 | Multi-format integration method for rail transit construction management and GIS platform |
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| CN112906094A (en) * | 2020-10-30 | 2021-06-04 | 上海市政工程设计研究总院（集团）有限公司 | Bridge maintenance reconstruction method and system based on informatization |
| CN112347213A (en) * | 2020-11-06 | 2021-02-09 | 中铁第一勘察设计院集团有限公司 | BIM + GIS-based three-dimensional display method for digitized achievement of railway engineering |
| CN112347215A (en) * | 2020-11-06 | 2021-02-09 | 中铁第一勘察设计院集团有限公司 | Method for building three-dimensional railway construction organization design management system |
| CN112347215B (en) * | 2020-11-06 | 2024-02-27 | 中铁第一勘察设计院集团有限公司 | Construction method of three-dimensional railway construction organization design management system |
| CN112508339A (en) * | 2020-11-10 | 2021-03-16 | 浙江鑫润工程管理有限公司 | Construction quality safety risk management method, system, device and storage medium |
| CN112508339B (en) * | 2020-11-10 | 2023-11-10 | 浙江鑫润工程管理有限公司 | Construction quality safety risk management method, system, device and storage medium |
| CN112464318A (en) * | 2020-11-25 | 2021-03-09 | 中铁二局集团勘测设计院有限责任公司 | BIM-based visual process engineering method display system and method |
| CN112613856A (en) * | 2021-01-04 | 2021-04-06 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Three-dimensional technology intersection method and device of railway BIM system based on web real-time modeling |
| CN112784340B (en) * | 2021-01-28 | 2024-05-24 | 广联达科技股份有限公司 | Conversion method and conversion device for construction BIM model |
| CN112784340A (en) * | 2021-01-28 | 2021-05-11 | 广联达科技股份有限公司 | Conversion method and conversion device for construction Building Information Modeling (BIM) |
| CN113062198A (en) * | 2021-03-18 | 2021-07-02 | 中铁大桥科学研究院有限公司 | Control method for three-dimensional steel arch rib installation control point coordinates |
| CN113486417A (en) * | 2021-05-29 | 2021-10-08 | 中铁建工集团有限公司 | Control main tower and girder steel construction simulation system |
| CN113486417B (en) * | 2021-05-29 | 2024-01-19 | 中铁建工集团有限公司 | Control main tower and girder steel construction simulation system |
| CN114065352A (en) * | 2021-11-17 | 2022-02-18 | 中铁城建集团有限公司 | Virtual sample plate guidance site quality safety control method based on iH5 panoramic picture |
| CN114782619A (en) * | 2022-01-26 | 2022-07-22 | 中交二公局第三工程有限公司 | BIM technology-based visual safety facility circulation management method |
| CN115114771A (en) * | 2022-06-08 | 2022-09-27 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Parallel simulation method and device for high-speed comprehensive detection vehicle |
| CN115186349A (en) * | 2022-07-20 | 2022-10-14 | 山东省路桥集团有限公司 | Method and system for building bridge model based on BIM technology |
| CN115186349B (en) * | 2022-07-20 | 2024-03-15 | 山东省路桥集团有限公司 | Method and system for constructing bridge model based on BIM technology |
| CN115115316B (en) * | 2022-07-25 | 2023-01-06 | 天津市普迅电力信息技术有限公司 | Method for simulating storage material flowing-out and warehousing operation direction-guiding type animation based on Cesium |
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