CN113256084B - Building economic index intelligent statistics and check method and system based on BIM - Google Patents
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Abstract
The invention relates to a building economic index intelligent statistics and check method based on BIM, which comprises the following steps: s1: building a building information model according to the building scheme; s2: carrying out automatic hooking and assignment on design parameters of the building information model; s3: carrying out structural classification and analysis calculation on the related data of the building information model, and carrying out building economic index verification; s4: judging the building economic index checking structure, if the building economic index checking structure passes, deriving a statistical checking report for a designer to review and evaluate the feasibility of the building scheme, otherwise, returning to the execution step S1, and compared with the prior art, the invention has the advantages of improving the building economic index checking efficiency, the design quality and the like.
Description
Technical Field
The invention relates to a new technology in the field of engineering construction, in particular to a building economic index intelligent statistics and check method and system based on BIM.
Background
BIM technology is a datamation tool applied to engineering design, construction and management, and by integrating datamation and informatization models of buildings, sharing and transmitting are carried out in the whole life cycle process of project planning, operation and maintenance, so that engineering technicians can correctly understand and effectively respond to various building information, a cooperative work foundation is provided for design teams and construction subjects of all parties including buildings and operation units, and important effects are played in the aspects of improving production efficiency, saving cost and shortening construction period.
With development of BIM technology, application of BIM in various stages of engineering industry is gradually in depth, and how to more conveniently solve practical problems by using BIM tools is also urgent need at present.
In the building design process, according to different working conditions and different requirements, the auxiliary computer performs structural and digital analysis, so that the BIM data can be visualized and calculated, and the practical engineering practice problem can be solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the intelligent statistical and check method and system for the building economic index based on BIM, which can improve the efficiency and quality of design check.
The aim of the invention can be achieved by the following technical scheme:
a building economic index intelligent statistics and check method based on BIM comprises the following steps:
s1: building a building information model according to the building scheme;
s2: carrying out automatic hooking and assignment on design parameters of the building information model;
s3: carrying out structural classification and analysis calculation on index parameters of the building information model, and carrying out building index verification;
s4: and judging whether the building economic index meets the building control rule requirement, if so, deriving a statistical check report for the designer to review and evaluate, otherwise, returning to the execution step S1.
Further, the building scheme model creation specifically includes: building elevation and area lines are created in batches, and building rooms and building facings are generated based on the area lines.
Further, the area line creation process includes:
s11: preparing drawing of building area lines;
s12: judging the attribute of the building wall, if the building wall is an outer wall, executing the step S13, and if the building wall is an inner wall, executing the step S14;
s13: drawing an area line to the outer edge of the wall body;
s14: and drawing the area line to the center line of the wall body.
Further, in step S3, the building index for verification specifically includes: building area, building exit, building height, number of building floors, number of parking spaces, line pasting rate and building window wall/window ground ratio.
Further, the building area comprises a planned total land area, a construction land area, a total building area, a building density, a building volume rate and a greenbelt rate;
the building layer number comprises building layer height, structure net height and pipeline net height;
the number of the parking spaces comprises the number of the ground parking spaces and the number of the underground parking spaces.
Further, the planned total land area is extracted from the land block attributes;
the construction land area comprises road, square and sports ground areas, greening land areas and building substrate areas;
the total building area comprises the overground building area and the underground building area.
Further, in step S3, the performing structural classification on the index parameter of the building information model specifically includes: and automatically extracting the layering of the building rooms, and intelligently merging according to the room attributes.
Further, in step S3, building a building area knowledge graph is further included, and the building area knowledge graph specifically includes the following steps:
s31: acquiring building engineering building area calculation specifications;
s32: respectively extracting entity concepts, entity relationships, entity attributes and auditing rules in the building information model;
s33: constructing a building area knowledge graph body;
s34: performing quality assessment on the constructed building area knowledge graph body;
s35: and generating a building area knowledge graph.
A system for implementing the building index intelligent statistics and verification method based on BIM as described, comprising:
and an auxiliary modeling module: the method is used for creating elevation of the elevation and building members and building a building information model;
parameter setting module: the method is used for automatically hooking and assigning related parameters in the building design;
and a building index verification module: the method is used for carrying out structural classification and analysis calculation on the index parameters of the building information model to obtain a statistical check report.
Further, the building index verification module comprises an area statistics verification sub-module, a height statistics verification sub-module, a site mark height statistics verification sub-module and a building index verification sub-module.
Compared with the prior art, the invention has the following advantages:
1) The invention is based on BIM three-dimensional design concept, fits the basic flow of building design, changes the traditional building design into digital intelligent design, reduces repeated labor of designers as much as possible, ensures design regression creative and practical, improves design efficiency and quality, and ensures that building products are more green and more human-based;
2) In the invention, the hierarchical automatic extraction of the building rooms and the intelligent merging of the room attributes are realized, and meanwhile, 2 is adopted.
The building height automatic checking and building site landmark height automatic detecting technology and building area standard analyzing and knowledge map constructing technology can be used for carrying out high-efficiency processing, analysis and assessment on relevant indexes of the building, so that the design of a building scheme is convenient, and the requirements of national standard or local control standard are met.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic diagram of an automatic building room area line creation process;
FIG. 3 is a schematic view of the primary check index of the architectural design;
FIG. 4 is a schematic diagram of a basic flow of building area knowledge graph creation;
fig. 5 is a schematic diagram of architectural area knowledge graph structuring analysis.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Examples
As shown in fig. 1, the invention is mainly applied to the digital design of a building, and through the construction of a front-end building information model and the input of building information, the related data is automatically subjected to structural classification and calculation analysis in the background, and finally, related reports are automatically exported for designing, consulting and evaluating the feasibility of a building scheme, and the invention discloses a building economic index intelligent statistics and check method based on BIM, which comprises the following steps:
s1: building a building information model according to the building scheme;
the building scheme model specifically comprises the following steps: building elevation and area lines are created in batches, repeated labor of designers is reduced, and building rooms and building surface layers are generated based on the area lines in a rapid click mode. As shown in fig. 2, the area line creation flow includes:
s11: preparing drawing of building area lines;
s12: judging the attribute of the building wall, if the building wall is an outer wall, executing the step S13, and if the building wall is an inner wall, executing the step S14;
s13: drawing an area line to the outer edge of the wall body;
s14: and drawing the area line to the center line of the wall body.
S2: carrying out automatic hooking and assignment on design parameters of the building information model;
and (3) automatically hooking, assigning and modifying main design parameters of the building according to the following table:
s3: the building information model is subjected to structural classification and analysis calculation, building index verification and building index data analysis and self-checking, and automatic analysis and checking of a total of about 15 building indexes in the early stage of the scheme are mainly realized, so that the requirement of planning and reporting rules of the building scheme is met, and meanwhile, the building standard requirement of the country or the place is met.
As shown in fig. 3, the building indexes for verification specifically include: building area, building exit, building height, number of building floors, number of parking spaces, line pasting rate and building window wall/window ground ratio.
The building area comprises a planned total land area, a construction land area, a total building area, a building density, a building volume rate and a green land rate; the building layer number comprises building layer height, structure net height and pipeline net height; the number of parking spaces includes the number of ground parking spaces and the number of underground parking spaces.
The planned total land area is extracted from land block attributes; the construction land area comprises road, square and sports ground areas, greening land areas and building substrate areas; the total building area includes the above-ground building area and the below-ground building area.
The construction index data analysis and self-checking mainly realize automatic analysis and checking of seven building indexes in the early stage of the scheme, wherein the total of about 15 building indexes are automatically analyzed and checked, so that the construction scheme is ensured to meet the requirements of planning and reporting rules and meet the requirements of national or local construction specifications.
The invention automatically extracts the layering of the building rooms and performs intelligent merging according to the room properties, and also comprises the steps of building a building area knowledge graph, wherein the building area knowledge graph is shown in fig. 4 and 5, and specifically comprises the following steps:
s31: acquiring building engineering building area calculation specifications;
s32: respectively extracting entity concepts, entity relationships, entity attributes and auditing rules in the building model;
s33: constructing a building area knowledge graph body;
s34: performing quality assessment on the constructed building area knowledge graph body;
s35: and generating a building area knowledge graph.
S4: and judging the building index verification structure, if the building index verification structure passes, deriving a statistical verification report for a designer to review and evaluate the feasibility of the building scheme, archiving, otherwise, returning to the execution step S1.
The invention also provides a system for realizing the building index intelligent statistics and check method based on BIM, which comprises the following steps:
and an auxiliary modeling module: the method is used for building elevation and building components, and building models, specifically, building elevation in batches, building main building components in batches and the like (such as automatically building rooms, walls, floors, automatically generating fire evacuation routes and the like);
parameter setting module: the intelligent cleaning device is used for automatically hooking and assigning related parameters in the building design, specifically, the related parameters in the building design process are automatically assigned, and meanwhile, an intelligent cleaning function is conveniently provided, so that scheme index change in the design process is facilitated;
and a building index verification module: the building index verification module comprises an area statistics verification sub-module, a height statistics verification sub-module, a site high statistics verification sub-module and a building index verification sub-module, wherein the area statistics verification sub-module comprises verification of indexes such as total building area, capacity counting building area, non-capacity counting building area and the like, and the building index verification sub-module comprises verification of indexes such as building density, volume rate, window-to-ground ratio, window-to-wall ratio and the like.
The main logic of building index verification is as follows:
firstly, all monomer three-dimensional information models are obtained from land data, and each monomer is layered according to elevation values. Secondly, attribute extraction is performed on all rooms of each layer. And then comparing the 'regional mark' and the 'room function' in the attribute with the design control rule requirement to obtain the area coefficient and the volume rate coefficient of the room, and multiplying the area coefficient and the volume rate coefficient of the room. Finally, various indexes of rooms in all monomers are displayed, and modification of the area and the volume rate is supported.
And finally, summarizing all area indexes of all the monomers in the land parcel, comparing the area indexes with the planning control value, and displaying the tolerance value, so that a designer can check the monomer model conveniently.
Main logic of building height index verification:
firstly, searching a component named as a building sidewalk entrance in a three-dimensional model, and acquiring height information of the component; and secondly, traversing all the components in the main model and the link model, and comparing the height values of the upper surfaces of the components to obtain a maximum height value. And finally, subtracting the maximum height value from the height value of the entrance to obtain the landmark height of the building site.
Based on the system, the development of the intelligent statistics and verification platform of the building indexes can be realized, the intelligent statistics and verification platform of the building indexes based on BIM can be developed based on the visual studio development platform, and the related indexes of the building can be efficiently processed, analyzed and evaluated, so that the design of a building scheme is facilitated, and the requirements of national specifications or local control rules are met.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions may be made without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (3)
1. The building economic index intelligent statistics and check method based on BIM is characterized by comprising the following steps:
s1: building a building information model according to the building scheme;
s2: carrying out automatic hooking and assignment on design parameters of the building information model;
s3: carrying out structural classification and analysis calculation on index parameters of the building information model, and carrying out building index verification;
s4: judging whether the building economic index meets the building control rule requirement, if so, deriving a statistical check report for a designer to review and evaluate, otherwise, returning to the step S1;
in step S3, the building indexes for verification specifically include: building area, building exit, building height, building number of floors, number of parking spaces, line pasting rate and building window wall/window ground ratio;
the building area comprises a planned total land area, a construction land area, a total building area, a building density, a building volume rate and a green land rate;
the building layer number comprises building layer height, structure net height and pipeline net height;
the number of the parking spaces comprises the number of overground parking spaces and the number of underground parking spaces;
the planned total land area is extracted from land block attributes;
the construction land area comprises road, square and sports ground areas, greening land areas and building substrate areas;
the total building area comprises an overground building area and an underground building area;
building index checking logic:
firstly, acquiring three-dimensional information models of all monomers from land block data, and layering the monomers according to elevation values; secondly, extracting attributes of all rooms of each layer; comparing the regional mark in the attribute with the room function with the design control rule requirement to obtain the area coefficient and the volume rate coefficient of the room, and multiplying the area coefficient and the volume rate coefficient with the area value of the room; finally, displaying all indexes of rooms in all monomers and supporting the modification of the area and the volume rate;
finally, summarizing all area indexes of all the monomers in the land parcels, comparing with the planning control value, and displaying tolerance values;
building height index checking logic:
firstly, searching a component named as a building sidewalk entrance in a three-dimensional model, and acquiring height information of the component; secondly, traversing all components in the main model and the link model, and comparing the height values of the upper surfaces of the components to obtain a maximum height value; finally, subtracting the maximum height value from the height value of the entrance to obtain the landmark height of the building site;
the building scheme model creation specifically comprises the following steps: building elevation and area lines in batches, and generating building rooms and building surface layers based on the area lines;
the area line creation flow comprises the following steps:
s11: preparing drawing of building area lines;
s12: judging the attribute of the building wall, if the building wall is an outer wall, executing the step S13, and if the building wall is an inner wall, executing the step S14;
s13: drawing an area line to the outer edge of the wall body;
s14: drawing an area line to the central line of the wall body;
in step S3, the performing structural classification on the index parameter of the building information model specifically includes: automatically extracting the layering of the building rooms, and intelligently merging according to the room properties;
in step S3, building a building area knowledge graph is further included, and the building area knowledge graph specifically includes the following steps:
s31: acquiring building engineering building area calculation specifications;
s32: respectively extracting entity concepts, entity relationships, entity attributes and auditing rules in the building information model;
s33: constructing a building area knowledge graph body;
s34: performing quality assessment on the constructed building area knowledge graph body;
s35: and generating a building area knowledge graph.
2. A system for implementing the BIM-based building economic indicator intelligent statistics and verification method of claim 1, comprising:
and an auxiliary modeling module: the method is used for creating elevation of the elevation and building members and building a building information model;
parameter setting module: the method is used for automatically hooking and assigning related parameters in the building design;
and a building index verification module: the method is used for carrying out structural classification and analysis calculation on the index parameters of the building information model to obtain a statistical check report.
3. The intelligent building economic indicator statistics and verification system based on BIM according to claim 2, wherein the building indicator verification module comprises an area statistics verification sub-module, a height statistics verification sub-module, a site landmark height statistics verification sub-module and a building indicator verification sub-module.
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| CN109635426A (en) * | 2018-12-11 | 2019-04-16 | 安徽省招标集团股份有限公司 | The modeling and model verification method of BIM project |
| CN110717212A (en) * | 2019-09-27 | 2020-01-21 | 贵州百胜工程建设咨询有限公司 | BIM (building information modeling) model checking method |
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| CN105574675A (en) * | 2015-12-21 | 2016-05-11 | 珠海市测绘院 | Rule bank-based method and system for planning and supervising constructional engineering |
| CN109635426A (en) * | 2018-12-11 | 2019-04-16 | 安徽省招标集团股份有限公司 | The modeling and model verification method of BIM project |
| CN110717212A (en) * | 2019-09-27 | 2020-01-21 | 贵州百胜工程建设咨询有限公司 | BIM (building information modeling) model checking method |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ji Jiumao Inventor after: Zhang Dongsheng Inventor after: Gao Xucong Inventor after: Wang Lingyu Inventor after: Yan Zifu Inventor after: Chen Ling Inventor after: Zhang Xiaoting Inventor after: Han Yixin Inventor after: Zhu Zhenyu Inventor before: Ji Jiumao Inventor before: Zhang Dongsheng Inventor before: Gao Xucong Inventor before: Wang Lingyu Inventor before: Yan Zifu Inventor before: Chen Ling Inventor before: Zhang Xiaoting Inventor before: Han Yixing Inventor before: Zhu Zhenyu |