CN111460566B - Building engineering structural design information exchange method based on BIM technology - Google Patents
Building engineering structural design information exchange method based on BIM technology Download PDFInfo
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Abstract
The invention discloses a building engineering structural design information exchange method based on BIM technology. The method can break the data barriers between the structural design software of the building engineering, achieves the purposes of one-mode multi-use and information sharing, and improves the efficiency of BIM structural design on the whole; the method can realize information exchange among various software of the architectural engineering structural design, extract different information from a plurality of information sources, form a comprehensive model with perfect data and rich information, and be used for finishing the final design result.
Description
Technical Field
The invention relates to the field of information exchange, in particular to a building engineering structure design information exchange method based on BIM technology.
Background
At present, in each specialty of the building industry, BIM technology is widely applied to the specialty of construction, equipment and the like, and is lagged in the specialty of the structure, mainly because the software involved in the structural design is more, in particular, BIM platforms are foreign software, and the data exchange among computing software mainly based on domestic production is not well solved yet. At present, the international standard data format IFC is still continuously improved and perfected, descriptions of connecting nodes of a structural model, decentration of a component unit and the like are lacking, and the expression is lacking in uniqueness. In addition, the IFC model file of the large-scale high-rise building is large, the processing speed is low, and the actual project requirements are difficult to meet. Therefore, the international standard data format IFC is not perfect at present, and the problems of data exchange and sharing of three-dimensional platforms between various structural software and between the structural software and other professional software cannot be well solved.
In summary, at present, no construction engineering structural design information exchange method meeting BIM structural design requirements exists at home and abroad.
Disclosure of Invention
The invention aims to provide and realize a building engineering structural design information exchange method based on BIM technology, which can break through a data barrier between building engineering structural design software, realize the purposes of one-module multi-use and information sharing and integrally improve the efficiency of BIM structural design.
The invention is realized by the following technical scheme:
a building engineering structural design information exchange method based on BIM technology comprises the following specific steps:
step 1: building a building model by building modeling software;
step 2: mapping or establishing the building model into a structural geometric model;
step 3: establishing professional models of the equipment by adopting equipment modeling software;
step 4: converting the structural geometric model created in the step 2 into a structural geometric data file in sim format;
step 5: calculating and converting the building model and each professional model of the equipment created in the steps 1 and 3 into a sim format load data file;
step 6: manually establishing a structure calculation parameter file by adopting structure calculation software, and converting the structure calculation parameter file into a sim format structure calculation parameter file;
step 7: combining the structural geometric data file, the load data file and the structural calculation parameter file obtained in the step 4-6 into a structural calculation model;
step 8: converting the structural calculation model into a source data file of building structural finite element calculation analysis software;
step 9: carrying out structural calculation analysis on the source data file obtained in the step 8 by adopting building structure finite element calculation analysis software, and carrying out repeated iterative adjustment until a structural calculation result meeting design requirements is obtained;
step 10: designing the structure calculation model obtained in the step 7 and the structure calculation result obtained in the step 9 through structure aided design software, providing envelope, average or minimum value according to the user requirement when a plurality of calculation analysis results are needed, and outputting a sim format file of the structure calculation model after completion;
step 11: and (3) converting the sim format file obtained in the step (10) into a three-dimensional design software model file, and finally forming a structure construction diagram.
Further, the step 2) has the following two paths that can be selected:
path 1: mapping the building model into a structural geometric model according to a certain rule by adopting automatic modeling software, and supplementing the section information of the structural member;
path 2: and the structural geometric model is established by adopting structural modeling software, and when the modeling software is structural calculation analysis software, a load data file can be established.
Further, the step 5) has the following two paths that can be selected:
path 3: calculating the building model and each professional model of the equipment created in the step 1 and the step 3 through automatic load guiding software to obtain load information, calculating the association relation with the structural member, and finally converting the association relation into a sim-format load data file;
path 4: and (3) manually establishing a load data file through SATWE and YJK software by using the building model and each professional model of the equipment created in the steps (1) and (3), and converting the load data file into a sim-format load data file.
Various software used in the implementation process of the invention are developed or existing software is adopted by the person skilled in the art according to actual needs, and the improvement point of the invention is not the software itself, but the whole information exchange process, so the invention will not be repeated for the software itself.
The description of the terms referred to herein is as follows:
1. building model: the model with the construction professional information is constructed in the construction engineering field.
2. And (3) structural model: the model with the structure professional information is built in the structure professional information of the construction engineering field, and the structure professional information is divided into two parts of geometric (visual) and non-geometric.
3. Structural geometric model: refers to a geometrically describable structural model with a visual appearance.
4. Load data file: load data files applied to the building structural members comprise constant load, use load, earthquake action, wind load, snow load, accidental load, nuclear explosion load and temperature action.
5. Professional models of the equipment: the model with the professional information of the equipment is built by the professions of the equipment in the field of building engineering.
6. Structural component: the basic structural units forming the supporting framework of the building (structure) in the field of constructional engineering are also the components of the structural visual geometric model.
7. Structural calculation parameters: the construction engineering field structure professional computing analysis software needs the parameter information of input.
8. General structural calculation model: a structural calculation model described in sim data format independent of common commercial structural calculation analysis software. The general structure calculation model may need to be converted into various special structure calculation models.
9. Special structure calculation model: the common structural calculation analysis software in the field of constructional engineering adopts a special data format, and the built model can only be used by itself and is called a special structural calculation model.
10. And (3) a structural calculation model: generic architecture calculation models and proprietary architecture settlement models.
11. Structural calculation and analysis: and taking the structure calculation model as input data, and carrying out data processing calculation through structure calculation analysis software to obtain a structure calculation result.
12. Structural calculation result: and obtaining the reliability of the structure and the calculation data for designing the structural member through structural calculation and analysis.
Compared with the prior art, the invention has the advantages and beneficial effects that:
(1) The invention can realize information exchange among various software of the architectural engineering structural design, extract different information from a plurality of information sources, form a comprehensive model with perfect data and rich information, and be used for finishing the final design result.
(2) The invention provides and realizes a building engineering structure design information exchange method based on the BIM technology, which can break the data barriers between building engineering structure design software, realize information exchange and effectively promote the application of the BIM technology in building engineering structure profession.
Detailed Description
The present invention will be described in further detail with reference to examples, but embodiments of the present invention are not limited thereto.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention provided is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Examples:
commercial software used by building structure professions is large, most of information among the software is not shared, and an information island is formed. The invention realizes one-mode multi-purpose and information sharing by establishing the information channel among business software, and greatly improves the design efficiency, and the specific process is as follows:
step 1: building a building model (whole or partial) by adopting special building modeling software (rhinoceros, SU, revit and the like);
step 2: there are two paths that can be selected:
path 1: the special software 1 is adopted to map the building model (whole or part) into a structural geometric model (whole or part) according to a certain rule, and then the information such as the section of the structural member is supplemented;
note 1: the special software 1 is automatic modeling software, and can automatically generate a structural geometric model (whole or partial) by using a building model, thereby reducing the workload of manual modeling.
Path 2: building a structural geometric model (whole or part) by adopting special structural modeling software (SATWE, YJK, rhinoceros, revit and the like), and building a load data file (alternative to the step 5) when the modeling software is structural calculation analysis software (such as SATWE, YJK and the like);
step 3: establishing professional models (whole or partial) of the equipment by adopting special equipment modeling software (Revit and the like);
step 4: converting the structural geometric model (whole or part) created in the step 2 into a structural geometric data file in a general or special data format (such as sim format) through special software 2 (when the modeling software and the structural calculation software are the same software, the step can be omitted);
and (2) injection: the special software 2 is specific construction specialty and structure specialty data conversion software, and can convert a construction model (whole or part) or a structure model (whole or part) created by the rhinoceros, revit, SATWE, YJK, and the like into sim format data files for exchanging data with other software.
And (3) injection: sim is a data exchange standard (similar to international standard ifc) of enterprise-level architecture of south China and southwest, and the improvement point of the invention is not in sim format, and in the actual process, appropriate format data files can be selected according to different needs, so that the description is omitted.
Step 5: there are two paths that can be selected:
path 3: calculating the building model (whole or partial) and each professional model (whole or partial) (multiple) of the equipment created in the steps 1 and 3 through special software 3 to obtain load information, calculating the association relation with the structural member, and finally converting the association relation with the structural member into a load data file in a general or special data format (such as sim format);
and (4) injection: the special software 3 is automatic load guiding software, and can automatically create load by using a building model (whole or partial), an equipment model (whole or partial) and a structural geometric model (whole or partial), so that the workload of manually inputting the load is reduced.
Path 4: the building model (whole or partial) and each professional model (whole or partial) of the equipment created in the steps 1 and 3 are manually built into a load data file through software such as SATWE, YJK and the like, and then the load data file is converted into a load data file in a general or special data format (such as sim format) by using special software 4;
and (5) injection: the dedicated software 4 functions similarly to the dedicated software 2, and can convert a building model (whole or part) or a structural model (whole or part) created by SATWE, YJK, or the like into a sim format data file for exchanging data with other software.
Step 6: manually establishing a structure calculation parameter file by adopting structure calculation software (such as SATWE, YJK and the like), and converting the structure calculation parameter file into a structure calculation parameter file in a general or special data format (such as sim format) by adopting special software 5;
and (6) injection: the special software 5 is special structure professional computing parameter information conversion software, and can convert the structure professional computing parameter information created by SATWE, YJK and the like into sim format data files so as to exchange data with other software.
Step 7: combining the structural geometry file, the calculation parameter file and the load data file in a general or special data format (such as sim format) into a general structural calculation model;
and (7) injection: through the conversion of the professional software 3, 4 and 5, a complete data file required by the structural calculation is formed, and the data source can be automatically converted or manually created.
Step 8: converting a general structure calculation model (such as sim format file) into a special structure calculation model file (such as SATWE, YJK, etc.) through special software 6;
and 8: the special software 6 is special structure professional information conversion software, and can convert sim format data files into source data files of building structure finite element calculation analysis software such as SATWE, YJK and the like so as to carry out calculation analysis.
Step 9: carrying out structural calculation analysis on the special structural calculation model by adopting structural calculation software (such as SATWE, YJK and the like), and carrying out repeated iterative adjustment until a structural calculation result meeting the design requirement is obtained;
step 10: designing the structure calculation model and the structure calculation result obtained in the step 9 through structure aided design software structass, providing envelope, average or minimum value according to the user requirement when a plurality of calculation analysis results are needed, and outputting a sim format file of the general structure calculation model after completion;
note 9: the structass is building structure professional aided design software independently developed by the southwest institute of middle building, and can utilize calculation results generated by building structure finite element calculation analysis software such as SATWE to automatically create a structure construction diagram and convert the structure construction diagram into a sim format file.
Step 11: and (3) converting the general or special data format (such as sim format) file into a commercial three-dimensional design software (such as Revit and the like) model file by adopting a special plug-in, and finally forming the structure construction diagram.
Note 10: the special plug-in is a special plug-in for secondary development of the Revit software in the southwest of China, solves the problem of model data exchange between sim format files and commercial software Revit (the international standard ifc can not be well used for carrying out data exchange with Revit), and can convert sim format data files into Revit building structure model files.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.
Claims (1)
1. A building engineering structural design information exchange method based on BIM technology is characterized in that: the method comprises the following specific steps:
step 1: building a building model by building modeling software;
step 2: mapping or building the building model into a structural geometric model, the following two paths can be selected:
path 1: mapping the building model into a structural geometric model according to a certain rule by adopting automatic modeling software, and supplementing the section information of the structural member;
path 2: building a structural geometric model by adopting structural modeling software, and building a load data file when the modeling software is structural calculation analysis software;
step 3: establishing professional models of the equipment by adopting equipment modeling software;
step 4: converting the structural geometric model created in the step 2 into a structural geometric data file in sim format;
step 5: the building model and each professional model of the equipment created in the steps 1 and 3 are converted into a sim format load data file through calculation, and the following two paths can be selected:
path 3: calculating the building model and each professional model of the equipment created in the step 1 and the step 3 through automatic load guiding software to obtain load information, calculating the association relation with the structural member, and finally converting the association relation into a sim-format load data file;
path 4: manually establishing a load data file by using the building model and each professional model of the equipment created in the steps 1 and 3 through SATWE and YJK software, and converting the load data file into a sim format load data file;
step 6: manually establishing a structure calculation parameter file by adopting structure calculation software, and converting the structure calculation parameter file into a sim format structure calculation parameter file;
step 7: combining the structural geometric data file, the load data file and the structural calculation parameter file obtained in the step 4-6 into a structural calculation model;
step 8: converting the structural calculation model into a source data file of building structural finite element calculation analysis software;
step 9: carrying out structural calculation analysis on the source data file obtained in the step 8 by adopting building structure finite element calculation analysis software, and carrying out repeated iterative adjustment until a structural calculation result meeting design requirements is obtained;
step 10: designing the structure calculation model obtained in the step 7 and the structure calculation result obtained in the step 9 through structure aided design software, providing envelope, average or minimum value according to the user requirement when a plurality of calculation analysis results are needed, and outputting a sim format file of the structure calculation model after completion;
step 11: and (3) converting the sim format file obtained in the step (10) into a three-dimensional design software model file, and finally forming a structure construction diagram.
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