CN111274632A - Construction method of BIM (building information modeling) parameterized modeling platform for highway engineering - Google Patents
Construction method of BIM (building information modeling) parameterized modeling platform for highway engineering Download PDFInfo
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Abstract
The invention discloses a construction method of a BIM (building information modeling) parameterized modeling platform of highway engineering, which is a method for quickly creating, calculating, analyzing and applying a BIM model and comprises the following steps: 1) based on the whole design cycle of the highway engineering, establishing a visual programming engineering data structure system, embedding a BIM standard of the highway engineering, and realizing flexible definition of the aggregation and derivation instantiation logical relationship among engineering entity components; 2) complex and heterogeneous modeling capabilities are realized through an open source geometric modeling class library, and engineering database management is carried out by taking a model decomposition structure as a hub, so that collaborative design, storage and management of modeling bodies and construction information are realized; 3) the method is based on a plug-in, a mainstream design platform and a geographic information system to carry out three-dimensional display and information transfer, and is applied to the stages of highway engineering design, construction, maintenance and operation.
Description
Technical Field
The invention relates to a BIM technology, a geometric modeling technology and a graph rendering technology, in particular to a technical method for quickly modeling a BIM model and associating the BIM model with an engineering structure.
Background
The BIM technology is an engineering information application technology developed and fused based on a modern information technology and a computer technology, and can effectively recommend the information-based construction of engineering construction projects by utilizing the digital technology to store, transmit engineering structures and structural characteristics to realize the visual expression of a 3D mode and the full-life-cycle information transmission sharing and work cooperation of engineering design, construction, maintenance and operation management.
Although the modeling capability of the mainstream BIM software in foreign countries is strong, the BIM software combined with the actual engineering in China has a break-in period and can suffer from the obstacles from the aspects of specification, standard and management mode. At the present stage, no software can realize the rapid establishment of a full-professional and high-precision BIM model of the highway engineering, and the BIM model is automatically associated with an engineering structure to meet the application of different stages of the highway engineering in the full period.
Aiming at new construction, reconstruction, construction and established highways, a design unit, a management unit and a consultation unit gradually accumulate some BIM model components in the project implementation process, most of the BIM model components belong to reusable component resources, but because the highway engineering specialization degree is higher, the standards, BIM software and model depths are different, the effective utilization of the component resources is difficult to realize only by establishing a BIM model component library which meets the current project requirements, and meanwhile, because the formats and codes are not uniform, effective BIM information assets cannot be formed to support different application scenes in the industry design, construction and management stages.
The open source geometric modeling basic platform of the OpenCasCade (geometric model core) of CAD (Computer Aided Design)/CAE (Computer Aided engineering)/CAM (Computer Aided Manufacturing) is used as a geometric modeling class library, the development freedom degree is higher, the open source advantage of the complex parameterized model modeling of the highway engineering can be better supported, the open source software has a large-scale mature service community and a large amount of development experience for reference, meanwhile, the open source software based on the OpenCasCade enables the development cost to be lower, and the development depth can be deeper.
Disclosure of Invention
The invention provides a construction method of a BIM (building information modeling) parameterized modeling platform for highway engineering, which effectively solves the problems that BIM modeling software cannot meet the requirements of rapid construction of a full-professional high-precision BIM model of highway engineering, association of the BIM model and an engineering structure system and the BIM parameterized component standard is not uniform, realizes construction of an engineering structure based on an industrial BIM standard and generates a model decomposition structure; the parameterized BIM model is automatically associated and controls parameterized modeling behaviors, so that any complex modeling body is modeled, and the method can be applied to different stages of the whole cycle of highway engineering. The technical scheme adopted by the invention comprises the following steps:
the method comprises the following steps of (1) organizing and importing industrial BIM classification standards, BIM coding standards and project instantiation data into a BIM parameterized modeling platform to generate a model decomposition structure base library, so that project logic, project information and process information are managed in an associated mode through component codes (ID), and simultaneously, the logic relations of aggregation, inheritance and derivation of instantiation among project entity components are appointed through visual programming, so that the definition and analysis of bridge span expressions are realized, and instantiation project structures are generated;
establishing a BIM parameterized component template library through a visual constraint solver, giving and associating constraint labels to all constraint variables, and managing the component library in a mode of adding component codes;
creating an engineering structure based on visual programming, controlling a constraint label defined by the generated BIM parameterized component template library, and deepening the BIM parameterized component template library into an engineering BIM parameterized component template library driven by an instantiated engineering structure;
generating a parameterized BIM (building information modeling) and component information thereof by taking line and terrain instance data as a drive, performing data definition and storage on an OBJ (object oriented language) format through a model body, and performing data storage on an extensible markup language (XML) format through model information;
manufacturing BIM (building information modeling) parameterized modeling platform plug-ins based on mainstream modeling software such as Autodesk Civil3D, Bentley Powercivil and Dassault Catia, and directly modeling and rendering in a mainstream modeling platform by combining with BIM design platform modeling API (application programming interface);
model formats such as FBX (3D file format), OBJ (model file) and the like are derived, mainstream three-dimensional display platforms such as Skyline, Cesium, ArcGis and City maker are supported, three-dimensional design result display is realized by combining GIS terrain, and the generated BIM component information can be applied in different stages of the whole road engineering period.
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FIG. 1 is a construction step of a BIM (building information modeling) parameterized modeling platform for road engineering.
FIG. 2 is a concrete implementation of a BIM parameterized modeling platform for road engineering.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described with reference to fig. 2, and the described embodiment is only a part of the embodiment of the present invention, rather than the whole embodiment, and all other embodiments obtained by those skilled in the art without making innovative labor based on the embodiment of the present invention belong to the protection scope of the present invention.
Referring to fig. 2, the present invention is based on a visual design interface, and adopts the following embodiments:
the method comprises the following steps of (1) organizing and importing engineering example parameters such as bridge span expressions, piers, beam slab structure styles and sizes in the industry BIM classification standards, BIM coding standards and the like into a BIM parametric modeling platform to generate an example engineering structure with component codes, and specifically relates to hierarchical division relations, component physical information and component construction information;
manufacturing a BIM parameterized modeling platform plug-in through mainstream BIM modeling software, and directly modeling and rendering a parameterized BIM model in a mainstream modeling platform by combining a BIM design platform modeling API;
the three-dimensional design result display is realized through a mainstream model format and a GIS platform, and the model decomposition structure is combined with a work decomposition structure and an engineering system decomposition structure which are widely applied to highway engineering through the generated BIM component information, so that the highway engineering is applied at different stages in the whole period.
The geometric shapes are shown in fig. 2 and comprise two-dimensional shapes and three-dimensional shapes, and the geometric shapes are as follows:
the method comprises the steps of creating a BIM parameterized component template library by combining a visualized two-dimensional constraint solver with modeling operations such as stretching and sweeping, controlling constraint variables through parameter labels, and attaching component code IDs to realize management of the component library;
based on a visual three-dimensional assembly constraint solver, assembling the generated parameterized components, generating parameterized BIM model examples through example data drive of lines and terrains and an OBJ format, generating BIM model component space information and engineering quantity list information through BIM model calculation, and uniformly storing and circulating extensible markup language (XML) formats by combining the generated component information.
The invention provides a building method of a BIM parameterized model platform of highway engineering, which aims at solving the problems of complex and various highway engineering components and low modeling efficiency at present, can realize the rapid establishment, calculation analysis and application of highway engineering component models, and can be widely applied to the design, construction, operation and maintenance stages of the engineering industry.
Claims (4)
1. A construction method of a BIM (building information modeling) parameterized modeling platform for highway engineering is characterized by comprising the following steps of:
1) based on the whole design cycle of the highway engineering, establishing a visual programming engineering data structure system, embedding a BIM standard of the highway engineering, and realizing flexible definition of the aggregation and derivation instantiation logical relationship among engineering entity components;
2) complex and heterogeneous modeling capabilities are realized through an open source geometric modeling class library, and engineering database management is carried out by taking a model decomposition structure as a hub, so that collaborative design, storage and management of modeling bodies and information attribute construction are realized;
3) the method is based on a plug-in, a mainstream design platform and a geographic information system to carry out three-dimensional display and information transfer, and is applied to the stages of highway engineering design, construction, maintenance and operation.
2. The method of claim 1, wherein step 1) comprises:
based on an embedded highway engineering BIM standard, a model decomposition structure is created and generated, and hierarchical division and association of geometric information and process information are realized;
a project data structure system is established through visual programming and used for appointing logic relations of instantiation aggregation, inheritance and derivation among project entity components, and the division, the splitting and the combination of model bodies and the definition and the analysis of a bridge span expression are realized.
3. The method of claim 1, wherein step 2) comprises:
the OpenCasCade open source geometric modeling basic platform is used as a geometric modeling class library to realize basic modeling, calculation, analysis, space transformation and Boolean;
the method comprises the steps of establishing a two-dimensional constraint solver and a three-dimensional constraint solver which meet the modeling requirements of highway engineering, realizing the creation of a complex parameterized template, and generating a parameterized component unit model;
based on a three-dimensional constraint solver, realizing parameterized space three-dimensional assembly of the component unit model;
describing complex curved surface objects by storing points, lines, surfaces and mutual relations of the points, the lines and the surfaces, and realizing triangulation of a curved surface model by utilizing a B-REP boundary method for calculating geometrical characteristics to make strong support for data exchange of the mesh objects;
and controlling the modeling of all parameterized components by using an engineering data structure system to generate a BIM parameterized component library.
4. The method of claim 1, wherein step 3) comprises:
manufacturing BIM parameterized platform plug-in by using mainstream BIM modeling software of Autodesk Civil3D, Bentley Powercivil and Dassault Catia, and directly modeling and rendering a parameterized BIM in an ABD mainstream modeling platform by combining BIM design platform modeling API;
the platform supports derivation of main flow model formats such as FBX and OBJ, supports main flow three-dimensional display platforms such as SkyLine, Cesium, ArcGis and CityMaker, and can be combined with GIS terrain to realize three-dimensional design result display.
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| CN111914329A (en) * | 2020-08-06 | 2020-11-10 | 中铁二院工程集团有限责任公司 | Method for automatically fusing roadbed BIM model and three-dimensional terrain |
| CN112231799A (en) * | 2020-09-23 | 2021-01-15 | 广州地铁设计研究院股份有限公司 | BIM-based rapid modeling method for intelligent line selection and trend scheme of railway |
| CN112632678A (en) * | 2020-12-29 | 2021-04-09 | 中国电建集团中南勘测设计研究院有限公司 | BIM (building information modeling) -based topological data structure creation method, system, equipment and medium |
| CN112748919A (en) * | 2021-01-14 | 2021-05-04 | 中路高科交通检测检验认证有限公司 | BIM technology-based visual programming modeling method and device |
| CN112883240A (en) * | 2021-03-10 | 2021-06-01 | 苏州思萃融合基建技术研究所有限公司 | Data lightweight BIM (building information modeling) building model management method and system based on digital twin |
| CN112906096A (en) * | 2020-12-25 | 2021-06-04 | 四川省交通勘察设计研究院有限公司 | Highway engineering design data reconstruction and analysis method and system |
| CN113157320A (en) * | 2021-04-30 | 2021-07-23 | 中国长江三峡集团有限公司 | Owner-oriented BIM forward design standardization application method |
| CN116151518A (en) * | 2023-03-02 | 2023-05-23 | 昆明安泰得软件股份有限公司 | Method for realizing component engineering quantity calculation based on parameterized BIM model |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111914329A (en) * | 2020-08-06 | 2020-11-10 | 中铁二院工程集团有限责任公司 | Method for automatically fusing roadbed BIM model and three-dimensional terrain |
| CN112231799A (en) * | 2020-09-23 | 2021-01-15 | 广州地铁设计研究院股份有限公司 | BIM-based rapid modeling method for intelligent line selection and trend scheme of railway |
| CN112906096A (en) * | 2020-12-25 | 2021-06-04 | 四川省交通勘察设计研究院有限公司 | Highway engineering design data reconstruction and analysis method and system |
| CN112906096B (en) * | 2020-12-25 | 2021-09-07 | 四川省交通勘察设计研究院有限公司 | Highway engineering design data reconstruction and analysis method and system |
| CN112632678A (en) * | 2020-12-29 | 2021-04-09 | 中国电建集团中南勘测设计研究院有限公司 | BIM (building information modeling) -based topological data structure creation method, system, equipment and medium |
| CN112632678B (en) * | 2020-12-29 | 2023-02-10 | 中国电建集团中南勘测设计研究院有限公司 | BIM (building information modeling) -based topological data structure creation method, system, equipment and medium |
| CN112748919A (en) * | 2021-01-14 | 2021-05-04 | 中路高科交通检测检验认证有限公司 | BIM technology-based visual programming modeling method and device |
| CN112883240A (en) * | 2021-03-10 | 2021-06-01 | 苏州思萃融合基建技术研究所有限公司 | Data lightweight BIM (building information modeling) building model management method and system based on digital twin |
| CN112883240B (en) * | 2021-03-10 | 2024-03-08 | 苏州思萃融合基建技术研究所有限公司 | Digital twinning-based data lightweight BIM building model management method and management system thereof |
| CN113157320A (en) * | 2021-04-30 | 2021-07-23 | 中国长江三峡集团有限公司 | Owner-oriented BIM forward design standardization application method |
| CN113157320B (en) * | 2021-04-30 | 2023-10-13 | 中国长江三峡集团有限公司 | BIM forward design standardization application method leading by owners |
| CN116151518A (en) * | 2023-03-02 | 2023-05-23 | 昆明安泰得软件股份有限公司 | Method for realizing component engineering quantity calculation based on parameterized BIM model |
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