CN114912167A - BIM-based design and construction method for assembly type subway station - Google Patents
BIM-based design and construction method for assembly type subway station Download PDFInfo
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- CN114912167A CN114912167A CN202210382961.8A CN202210382961A CN114912167A CN 114912167 A CN114912167 A CN 114912167A CN 202210382961 A CN202210382961 A CN 202210382961A CN 114912167 A CN114912167 A CN 114912167A
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Abstract
The invention provides a design and construction method of an assembled subway station based on BIM, which comprises the following steps: importing station parameters based on a BIM technology to complete a station structure model; building a station public area standard model for passenger flow evacuation simulation analysis in a public area range; building a station standard section equipment room model by combining station equipment and pipeline arrangement; optimizing the arrangement of holes of the middle plate and the platform plate in the standard section, and issuing a construction drawing depth drawing; the equipment manufacturer deepens the model for the second time; dividing the model into a plurality of professional modules, importing the modules into a welding machine, and accurately welding according to BIM data to complete corresponding block production; numbering the components and giving ID information; and carrying out modularized assembly according to a construction drawing to form the subway station. The method is suitable for design and installation construction of the standard section of the subway station, can realize reasonable arrangement, accurate production of accessories and visual installation of the standard section of the subway station, improves construction quality, saves construction period, reduces construction cost and reduces construction risk.
Description
Technical Field
The invention belongs to the technical field of design and construction of tunnels and underground engineering, and particularly relates to a design and construction method of an assembled subway station based on BIM.
Background
Generally, each station of a subway line is arranged in a standard way except for a wind pavilion and an access and exit under the conditions of equivalent passenger flow and good construction site conditions. In the traditional design method, because the design general requirements of each station design unit are not in place, and the design ideas of the stations are different, the standard section design of each subway station is greatly different, so that equipment manufacturers need to design and manufacture doors, windows, pipelines, accessories and the like with different sizes, the overall arrangement of the whole subway line is not facilitated, and the raw material cost and the labor cost are increased; meanwhile, due to the construction quality difference of each construction unit, the construction size is inaccurate and the installation is wrong occasionally on site, and the checking and accepting work of the whole line is influenced to a certain extent. Therefore, the design and construction method for developing standard station standard section assembled arrangement has important significance for improving construction quality of subway lines, reducing engineering cost and reducing construction risks.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a design and construction method of an assembled subway station based on BIM, which is characterized in that an assembled structure is adopted in a standard station section on the basis of BIM, assembled structural members are prefabricated and processed in a factory and then are transported to a construction site, visual assembly is completed on the construction site according to a BIM three-dimensional model, so that artificial quality defects and safety risks can be reduced, the site construction environment and quality can be improved, the construction cost can be reduced, the construction rework rate can be reduced, and the construction efficiency can be improved.
The technical scheme adopted by the invention is as follows: a design and construction method of an assembled subway station based on BIM comprises the following steps:
step 1: based on the BIM technology, standard station parameters are imported into modeling software, and a main standard section prefabricated assembly type structure model and a non-standard section cast-in-place structure model of a station are constructed;
the interior of the prefabricated assembly type structure of the main body standard section is a station standard section model, and the station standard section model is divided into a station public area standard model and a station standard section equipment room model;
step 2: based on the BIM technology, carrying out passenger flow simulation and evacuation calculation on the standard section public area, and constructing a standard model of the station public area according to the calculation result;
and step 3: based on the BIM technology, according to the requirements of various specialties of equipment size, comprehensive ring control, water supply and drainage, dynamic illumination, power supply, weak current, comprehensive monitoring and air extinction, room arrangement in a station is optimized by combining station pipeline arrangement, and a station standard section equipment room model is constructed; the equipment size is provided by an equipment manufacturer;
and 5: the prefabricated assembly type structure of the main standard section and the station standard section model are built to complete a primary model, and the primary model is subjected to full-professional comprehensive adjustment and deepening to reach the design depth of a construction drawing;
step 6: sending the model and drawing of the design depth of the construction drawing to an equipment manufacturer, and carrying out secondary deepening by the equipment manufacturer to further optimize room layout and pipeline arrangement of an equipment area so as to complete the whole modeling work of the station;
and 7: decomposing the station integral model, leading out components and detailed diagrams of a station side wall, a station top plate, a station bottom plate, a station middle plate, a station platform plate and a room wall of a station equipment area, carrying out ID coding on the components and the detailed diagrams, dividing the components and the detailed diagrams into a plurality of professional modules, forming node detailed diagrams according to the codes and the professional modules, summarizing the node detailed diagrams, and leading the node detailed diagrams into a welding machine;
and 8: the method comprises the steps that a digital welding technology is adopted, prefabricated station side walls, a station top plate, a station bottom plate, a station middle plate, a station platform plate and a room wall body of a station equipment area are accurately welded to weld parts according to BIM data to complete corresponding blocks, and meanwhile, two-dimensional codes of the blocks are numbered and ID information is given;
and step 9: transporting the blocks to a construction site, and assembling;
step 10: by scanning the ID information, the component information and the mounting position relationship are checked with reference to the BIM.
In a further step 2, the calculation result meets the evacuation calculation requirement of the all-line standard station.
In a further step 7, the main body standard section prefabricated structure is decomposed into a station side wall, a station top plate and a station bottom plate,
the standard model of the station public area is decomposed into a station middle plate and a station platform plate,
the standard station section equipment room model is decomposed into a station middle plate, a station platform plate and a station equipment area room wall body,
in a further step 9, the assembling is to technically meet the content of the coded and prefabricated components and the blocks according to a BIM assembling drawing and perform modularization and visual assembling according to the drawing and the BIM.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can realize the standard station standard section building and pipeline arrangement of the subway line whole line unification, the equipment room layout is more compact and reasonable, the pipeline and hole arrangement is more accurate, the acceptance rate of fire fighting and the like is improved, and the later-stage operation comfort level is improved.
2. The invention can realize the standard station standard section building and pipeline arrangement with the subway line being unified, reduce the building material production loss of manufacturers caused by different specifications such as doors, windows, pipelines and the like, and reduce the production and labor cost.
3. The invention can realize three-dimensional visual accurate installation, reduce the construction risk and improve the construction quality.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a sectional view of a standard section and a non-standard section of a station according to an embodiment of the present invention;
fig. 3 is a schematic plan view of a station hall layer according to an embodiment of the present invention;
fig. 4 is a schematic plan view of a station platform layer according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a prefabricated structure of a standard section of a station main body according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a station a-a according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a station b-b according to an embodiment of the present invention.
In the figure: 1, prefabricating an assembled structural model in a main body standard section; 11-station side wall, 12-station top plate and 13-station bottom plate; 2-station standard section; 21-station public area standard model; 22-station standard section equipment room model; 3-station pipeline; 4-standard section middle plate hole of station; 5-station middle plate; 6-station platform board; 7-station non-standard section; 8-wall body of room in station equipment area; 9-welding parts.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a design and construction method of an assembled subway station based on BIM (building information modeling), which comprises the following steps as shown in figure 1:
step 1: based on the BIM technology, standard station parameters are imported into modeling software, and areas of a station standard section 2 and a station non-standard section 7 are divided, as shown in FIG. 2. Constructing a non-standard section cast-in-place structural model for the area of the station non-standard section 7; the prefabricated assembly type structural model 1 is prefabricated by using a main standard section in an area for constructing a station standard section 2.
Step 2: based on the BIM technology, passenger flow simulation and evacuation calculation are carried out on the standard section public area, and a station public area standard model 21 is constructed according to the calculation result when the calculation result meets the evacuation calculation requirement of the all-line standard station.
And step 3: based on the BIM technology, according to the equipment size provided by the equipment manufacturer, the requirements of each specialty of comprehensive loop control, water supply and drainage, dynamic illumination, power supply, weak current, comprehensive monitoring and air extinction are combined with the arrangement of the station pipelines 3 to optimize the room arrangement in the station, and a station standard section equipment room model 22 is constructed.
The main body standard section prefabricated structure 1 is internally provided with a station standard section model, the station standard section model is divided into a station public area standard model 21 and a station standard section equipment room model 22, the station public area standard model and the station standard section equipment room model are respectively constructed in the steps 2 and 3, and the model structure is shown in fig. 3.
And 4, based on the BIM technology, synthesizing pipeline arrangement requirements of each specialty, optimizing pipeline arrangement in the area of the station standard section 2 in modeling software, reserving wall holes of rooms in the station based on the optimized pipeline arrangement, optimizing middle plate hole arrangement, and then constructing a station middle plate 5, a station platform plate 6 and a pipeline arrangement model of the station standard section model, wherein the model is shown in figure 4.
And 5: and (3) the main body standard section prefabricated structure 1 and the station standard section model are assembled to complete a primary model, and the primary model is subjected to full-professional comprehensive adjustment and deepening to achieve the design depth of the construction drawing.
Step 6: and (3) transmitting the model of the design depth of the construction drawing and the drawing to an equipment manufacturer, guiding the model and the drawing to equipment of a machine room, a pipeline model and the like by the equipment manufacturer for secondary deepening, further optimizing the room layout and the pipeline arrangement of the equipment area, and completing the whole modeling work of the station.
And 7: the overall station model is decomposed, the main body standard section prefabricated structure 1 is decomposed into a station side wall 11, a station top plate 12 and a station bottom plate 13, the station public area standard model 21 is decomposed into a station middle plate 5 and a station bedplate 6, and the station standard section equipment room model 22 is decomposed into the station middle plate 5, the station bedplate 6 and a station equipment area room wall 8, as shown in fig. 5-7.
The method comprises the steps of exporting components and detailed diagrams of a station side wall 11, a station top plate 12, a station bottom plate 13, a station middle plate 5, a station platform plate 6 and a room wall 8 of a station equipment area, carrying out ID coding on the components and the detailed diagrams, dividing the components and the detailed diagrams into a plurality of professional modules, forming node detailed diagrams according to the codes and the professional modules, summarizing the node detailed diagrams, and leading the node detailed diagrams into a welding machine.
And 8: by adopting a digital welding technology, the prefabricated station side wall 11, the station top plate 12, the station bottom plate 13, the station middle plate 5, the station platform plate 6 and the station equipment area room wall 8 are accurately welded to the welding parts 9 according to BIM data to complete corresponding blocks, and meanwhile, the two-dimensional codes of the blocks are numbered and ID information is given;
and step 9: and transporting the blocks to a construction site, and transferring the blocks to the construction site by using special hoisting equipment. And technically intersecting the contents of the coded and prefabricated components and the blocks according to a BIM assembly drawing, and performing modularization and visual assembly according to the drawing and the BIM.
Step 10: by scanning the ID information, the component information and the mounting position relationship are checked with reference to the BIM. And realizing accurate installation.
The present invention has been described in detail with reference to the embodiments, but the description is only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The scope of the invention is defined by the claims. The technical solutions of the present invention or those skilled in the art, based on the teaching of the technical solutions of the present invention, should be considered to be within the scope of the present invention, and all equivalent changes and modifications made within the scope of the present invention or equivalent technical solutions designed to achieve the above technical effects are also within the scope of the present invention.
Claims (4)
1. A design and construction method of an assembled subway station based on BIM is characterized in that: the method comprises the following steps:
step 1: based on the BIM technology, standard station parameters are imported into modeling software, and a main standard section prefabricated assembly type structure model and a non-standard section cast-in-place structure model of a station are constructed;
the interior of the main body standard section prefabricated structure is a station standard section model which is divided into a station public area standard model and a station standard section equipment room model;
step 2: based on the BIM technology, carrying out passenger flow simulation and evacuation calculation on the standard section public area, and constructing a standard model of the station public area according to the calculation result;
and step 3: based on the BIM technology, according to the requirements of various specialties of equipment size, comprehensive environmental control, water supply and drainage, dynamic illumination, power supply, weak current, comprehensive monitoring and gas extinction, room arrangement in a station is optimized by combining with station pipeline arrangement, and a station standard section equipment room model is constructed;
step 4, based on the BIM technology, synthesizing pipeline arrangement requirements of each specialty, optimizing pipeline arrangement of a station standard section model in modeling software, reserving wall holes of rooms in a station based on the optimized pipeline arrangement, optimizing middle plate hole arrangement, and then constructing a station middle plate, station platform plate holes and a pipeline arrangement model of the station standard section model;
and 5: the prefabricated assembly type structure of the main standard section and the station standard section model are built to complete a primary model, and the primary model is subjected to full-professional comprehensive adjustment and deepening to reach the design depth of a construction drawing;
step 6: sending the model and drawing of the design depth of the construction drawing to an equipment manufacturer, and carrying out secondary deepening by the equipment manufacturer to further optimize room layout and pipeline arrangement of an equipment area so as to complete the whole modeling work of the station;
and 7: decomposing the station integral model, leading out components and detailed diagrams of a station side wall, a station top plate, a station bottom plate, a station middle plate, a station platform plate and a room wall of a station equipment area, carrying out ID coding on the components and the detailed diagrams, dividing the components and the detailed diagrams into a plurality of professional modules, forming node detailed diagrams according to the codes and the professional modules, summarizing the node detailed diagrams, and leading the node detailed diagrams into a welding machine;
and 8: the method comprises the steps that a digital welding technology is adopted, prefabricated station side walls, a station top plate, a station bottom plate, a station middle plate, a station platform plate and a room wall body of a station equipment area are accurately welded to weld parts according to BIM data to complete corresponding blocks, and meanwhile, two-dimensional codes of the blocks are numbered and ID information is given;
and step 9: transporting the blocks to a construction site, and assembling;
step 10: by scanning the ID information, the member information, the mounting position relationship are checked with reference to the BIM.
2. The BIM-based design and construction method of an assembled subway station as claimed in claim 1, wherein: in step 2, the calculation result meets the evacuation calculation requirement of the all-line standard station.
3. The BIM-based design and construction method of an assembled subway station as claimed in claim 1, wherein: in step 7, the prefabricated structure of the main standard section is decomposed into a station side wall, a station top plate and a station bottom plate,
the standard model of the station public area is decomposed into a station middle plate and a station platform plate,
the standard station section equipment room model is decomposed into a station middle plate, a station platform plate and a station equipment area room wall.
4. The BIM-based design and construction method of an assembled subway station as claimed in claim 1, wherein: and 9, performing technical background on the contents of the coded and prefabricated components and the blocks according to a BIM assembly drawing, and performing modularization and visualization assembly according to the drawing and the BIM.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI828531B (en) * | 2023-02-01 | 2024-01-01 | 中興工程顧問股份有限公司 | Station building design system and method |
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