CN111460566A - BIM technology-based architectural engineering structure design information exchange method - Google Patents
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Abstract
The invention discloses a building engineering structure design information exchange method based on a BIM technology. The method can break the data barrier between the structural design software of the building engineering, realize the purposes of one module with multiple purposes and information sharing, and integrally improve the efficiency of BIM structural design; the method can realize information exchange among various kinds of software of the structural design of the building engineering, extract different information from a plurality of information sources, form a comprehensive model with complete data and rich information, and is 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 a BIM technology.
Background
At present, in all the professions of the building industry, the BIM technology is widely applied to the professions of buildings, equipment and the like, but is applied to the structural professions more later, the main reason is that structural design involves more software, particularly BIM platforms are foreign software, and calculation software mainly focuses on domestic products, and data exchange between the BIM platform and the BIM platform is not well solved. Currently, the international standard data format IFC is still continuously improved and perfected, the description of the structural model connection node, the structural unit eccentricity and the like is deficient, and the expression is lack of 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 current international standard data format IFC is not perfect enough, and the problems of three-dimensional platform data exchange and sharing among various structural software and between the structural software and other professional software cannot be well solved.
In summary, no architectural engineering structural design information exchange method meeting the BIM structural design requirements exists at home and abroad at present.
Disclosure of Invention
The invention aims to provide and realize a BIM technology-based building engineering structure design information exchange method, which can break the data barrier between building engineering structure design software, realize the purposes of multiple purposes and information sharing and integrally improve the efficiency of BIM structure design.
The invention is realized by the following technical scheme:
a building engineering structure design information exchange method based on BIM technology comprises the following specific steps:
step 1: building models are built by adopting building modeling software;
step 2: mapping or building the building model into a structural geometric model;
and step 3: establishing professional models of the equipment by adopting equipment modeling software;
and 4, step 4: converting the structure geometric model created in the step 2 into a structure geometric data file in a sim format;
and 5: calculating and converting the building model and each professional model of the equipment created in the steps 1 and 3 into a load data file in a sim format;
step 6: adopting structure calculation software to manually establish a structure calculation parameter file, and converting the structure calculation parameter file into a structure calculation parameter file in a sim format;
and 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;
and 8: converting the structural calculation model into a source data file of building structure finite element calculation analysis software;
and step 9: adopting building structure finite element calculation analysis software to perform structure calculation analysis on the source data file obtained in the step 8, and performing repeated iteration adjustment until a structure calculation result meeting the design requirement 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 an envelope, an average or a minimum value according to the requirement of a user when a plurality of calculation analysis results are required, and outputting a sim format file of the structure calculation model after the calculation analysis results are finished;
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 drawing.
Further, the step 2) has the following two selectable paths:
route 1: adopting automatic modeling software to map the building model into a structural geometric model according to a certain rule, and then supplementing section information of the structural member;
route 2: 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 selectable paths:
route 3: calculating the building model and each professional model of the equipment created in the steps 1 and 3 through automatic load guiding software to obtain load information, calculating the incidence relation with the structural member, and finally converting the incidence relation into a load data file in a sim format;
path 4: and (3) 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.
Various software used in the implementation process of the invention is developed or the existing software is adopted for the technicians in the field according to the actual needs, the improvement point of the invention is not in the software itself, but in the whole information exchange process, so the invention does not repeat the software itself.
The terms mentioned herein are explained as follows:
1. building a model: the model is a model with construction professional information and is set up by construction professionals in the field of construction engineering.
2. And (3) structural model: the method is characterized in that the method is a model which is set up by structure major in the field of building engineering and has structure major information, and the structure major information is divided into a geometric (visual) part and a non-geometric part.
3. And (3) a structural geometric model: refers to a geometrically describable model of a structure with a visual appearance.
4. Loading a data file: the load data files applied to the building structural member 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 is a model which is set up by each professional of equipment in the field of constructional engineering and has information of each professional of the equipment.
6. Structural member: the basic structural unit forming the supporting framework of the building (structure) in the field of building engineering is also a component of the structure visualization geometric model.
7. And (3) structural calculation parameters: the method comprises the steps of calculating and analyzing parameter information required to be input by structural professional calculation and analysis software in the field of building engineering.
8. General structural calculation model: and the structure calculation model is described by adopting a sim data format and is independent of common business structure calculation analysis software. The general structural calculation model may need to be converted into various special structural calculation models.
9. The special structure calculation model is as follows: common structural calculation and analysis software in the field of constructional engineering all adopts a proprietary data format, and the established model can only be used by the building, and is called a special structural calculation model.
10. And (3) structural calculation model: the general structure calculation model and the special structure settlement model are collectively called.
11. And (3) calculating and analyzing the structure: and taking the structure calculation model as input data, and performing data processing calculation through structure calculation analysis software to obtain a structure calculation result.
12. The structure calculation results are: and obtaining calculation data for judging the reliability of the structure and 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 kinds of software of the structural design of the building engineering, extracts different information from a plurality of information sources, forms a comprehensive model with complete data and rich information and is 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 barrier between building engineering structure design software, realize information exchange and effectively promote the application of the BIM technology in the building engineering structure major.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention. Thus, the following detailed description of the embodiments of the present invention 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, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example (b):
commercial software used by building structure specialties is numerous, and most of information among the software is not shared, so that an information island is formed. The invention realizes one module for multiple purposes and information sharing by establishing the information channel between commercial software, greatly improves the design efficiency, and comprises the following specific processes:
step 1: building models (whole or local) are built by adopting special building modeling software (rhinoceros, SU, Revit and the like);
step 2: there are two paths available:
route 1: adopting special software 1 to map the building model (whole or local) into a structural geometric model (whole or local) according to a certain rule, and then supplementing information such as structural member sections and the like;
note 1: the special software 1 is automatic modeling software, and can automatically generate a structural geometric model (wholly or locally) by using a building model, thereby reducing the workload of manual modeling.
Route 2: adopting special structure modeling software (SATWE, YJK, rhinoceros, Revit, and the like) to establish a structure geometric model (whole or local), and when the modeling software is structure calculation analysis software (such as SATWE, YJK, and the like), establishing a load data file (which is one of the steps 5);
and step 3: establishing each professional model (whole or local) of the equipment by adopting special equipment modeling software (Revit and the like);
and 4, step 4: converting the structural geometric model (whole or partial) (a plurality of) created in the step 2 into a structural geometric data file in a general or special data format (such as sim format) through the special software 2 (when the modeling software and the structural calculation software are the same software, the step can be omitted);
note 2: the special software 2 is specific building and structure professional data conversion software, and can convert building models (whole or partial) or structure models (whole or partial) created by rhinoceros, Revit, SATWE, YJK and the like into sim format data files so as to exchange data with other software.
Note 3: sim is the standard for exchanging data of the enterprise-level architecture structure of the Zhongjia southwestern institute of technology (similar to the international standard ifc), the improvement point of the invention is not in the sim format, and a proper format data file can be selected according to different requirements in the actual process, so that the description is omitted.
And 5: there are two paths available:
route 3: calculating the building model (whole or local) created in the steps 1 and 3 and each professional model (whole or local) (multiple) of the equipment through special software 3 to obtain load information, calculating the incidence relation with the structural member, and finally converting the load information into a load data file in a general or special data format (such as sim format);
note 4: the special software 3 is automatic load guiding software, and can automatically create loads by utilizing a building model (whole or local), an equipment model (whole or local) and a structural geometric model (whole or local), so that the workload of manually inputting the loads is reduced.
Path 4: manually establishing a load data file by using software such as SATWE, YJK and the like on the building model (whole or local) created in the steps 1 and 3 and each professional model (whole or local) of the equipment, and converting the load data file into a load data file in a general or special data format (such as sim format) by using special software 4;
note 5: the dedicated software 4 functions similarly to the dedicated software 2, and can convert an architectural model (whole or part) or a structural model (whole or part) created by SATWE, YJK, or the like into a sim-format data file so as to exchange 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;
note 6: the special software 5 is specific structure professional calculation parameter information conversion software, and can convert the structure professional calculation parameter information created by SATWE, YJK and the like into a sim format data file so as to exchange data with other software.
And 7: combining the structure 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 structure calculation model;
and 7, note: through the conversion of professional software 3, 4 and 5, a complete data file required by structure calculation is formed, and data sources can be automatically converted or manually created.
And 8: converting the general structure calculation model (such as sim format file) into a special structure calculation model file (such as SATWE, YJK, etc.) through the special software 6;
note 8: the special software 6 is specific structure professional information conversion software, and can convert the sim format data file into a source data file of building structure finite element calculation analysis software such as SATWE, YJK and the like so as to perform calculation analysis.
And step 9: performing structural calculation analysis on the special structural calculation model by adopting structural calculation software (such as SATWE, YJK and the like), and performing multiple iterative adjustments 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 strucAss, providing an envelope, an average or a minimum value according to the requirement of a user when a plurality of calculation analysis results are required, and outputting a sim format file of the general structure calculation model after the calculation analysis results are finished;
note 9: the strucAss is building structure professional auxiliary design software independently developed by the institute of south-west China, can utilize calculation results generated by building structure finite element calculation analysis software such as SATWE and the like to automatically create a structure construction drawing, and can convert the structure construction drawing into a sim-format file.
Step 11: and (3) converting the general or special data format (such as sim format) file into a model file of commercial three-dimensional design software (such as Revit) by adopting a special plug-in, and finally forming a structure construction drawing.
Note 10: the special plug-in is a special plug-in developed by the institute of southwest, China and China based on Revit software, solves the problem of model data exchange between the sim-format file and the commercial software Revit (the international standard ifc cannot be well used for data exchange with Revit), and can convert the sim-format data file into a Revit building structure model file.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (3)
1. A building engineering structure design information exchange method based on BIM technology is characterized in that: the method comprises the following specific steps:
step 1: building models are built by adopting building modeling software;
step 2: mapping or building the building model into a structural geometric model;
and step 3: establishing professional models of the equipment by adopting equipment modeling software;
and 4, step 4: converting the structure geometric model created in the step 2 into a structure geometric data file in a sim format;
and 5: calculating and converting the building model and each professional model of the equipment created in the steps 1 and 3 into a load data file in a sim format;
step 6: adopting structure calculation software to manually establish a structure calculation parameter file, and converting the structure calculation parameter file into a structure calculation parameter file in a sim format;
and 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;
and 8: converting the structural calculation model into a source data file of building structure finite element calculation analysis software;
and step 9: adopting building structure finite element calculation analysis software to perform structure calculation analysis on the source data file obtained in the step 8, and performing repeated iteration adjustment until a structure calculation result meeting the design requirement 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 an envelope, an average or a minimum value according to the requirement of a user when a plurality of calculation analysis results are required, and outputting a sim format file of the structure calculation model after the calculation analysis results are finished;
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 drawing.
2. The BIM technology-based constructional engineering structure design information exchange method according to claim 1, characterized in that: in step 2, the following two paths are selectable:
route 1: adopting automatic modeling software to map the building model into a structural geometric model according to a certain rule, and then supplementing section information of the structural member;
route 2: and when the modeling software is structural calculation analysis software, a load data file can be established.
3. The BIM technology-based constructional engineering structure design information exchange method according to claim 1, characterized in that: in step 5, the following two paths are selectable:
route 3: calculating the building model and each professional model of the equipment created in the steps 1 and 3 through automatic load guiding software to obtain load information, calculating the incidence relation with the structural member, and finally converting the incidence relation into a load data file in a sim format;
path 4: and (3) 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.
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