CN111502246A - BIM technology-based design and optimization method for side wall unilateral template support system - Google Patents
BIM technology-based design and optimization method for side wall unilateral template support system Download PDFInfo
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- CN111502246A CN111502246A CN202010353039.7A CN202010353039A CN111502246A CN 111502246 A CN111502246 A CN 111502246A CN 202010353039 A CN202010353039 A CN 202010353039A CN 111502246 A CN111502246 A CN 111502246A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/05—Forming boards or similar elements the form surface being of plastics
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The invention provides a design and optimization method of a side wall single-side formwork support system based on a BIM technology, which is characterized in that a side wall single-side formwork is established based on three-dimensional modeling software, and the method mainly comprises the steps of establishing a long fiber reinforced thermoplastic composite material formwork panel, establishing a back-ridge square timber and establishing a single-side steel truss support; assembling the established three-dimensional model and exporting the three-dimensional model into stl format; and importing the exported file into stress analysis software, inputting material characteristics, creating connection and boundary conditions, carrying out stress analysis, carrying out an optimization scheme according to a calculation result, optimizing the structure size, and finally exporting a final design scheme to a construction drawing to guide field construction. The method solves the problems that the existing side wall single-side formwork support system is low in design efficiency, complex in design and low in precision, and meanwhile modification, adjustment and optimization are complex. Belongs to the field of building engineering.
Description
Technical Field
The invention relates to a design and optimization method of a side wall single-side template support system based on a BIM technology, and belongs to the field of constructional engineering.
Background
Along with the rapid development of national infrastructure, the construction safety of project construction is particularly important, and especially in the construction process of the side wall of an underground station of urban rail transit, how to ensure the safety and the reasonability of a side wall single-side template support system is important. Particularly, a construction method of combining a conventional side wall single-side steel truss support with a square timber and long fiber reinforced thermoplastic composite material template is rare, a common calculation method is to perform assumption, check calculation, analysis, adjustment and optimization on sub-modules, and the method is low in calculation efficiency, complex in calculation, prone to error and low in calculation precision.
Disclosure of Invention
The invention provides a design and optimization method of a side wall single-side template support system based on a BIM technology, and aims to solve the problems that the existing side wall single-side template support system is low in design efficiency, complex in design and low in precision, and meanwhile modification, adjustment and optimization are complex.
In order to achieve the purpose, the design and optimization method of the side wall single-side formwork support system based on the BIM technology is adopted, the side wall single-side formwork is established based on three-dimensional modeling software, and the method mainly comprises the steps of establishing a long fiber reinforced thermoplastic composite material formwork panel, establishing back-arris square timber and establishing a single-side steel truss support; assembling the established three-dimensional model and exporting the three-dimensional model into stl format; and importing the exported file into stress analysis software, inputting material characteristics, creating connection and boundary conditions, carrying out stress analysis, carrying out an optimization scheme according to a calculation result, optimizing the structure size, and finally exporting a final design scheme to a construction drawing to guide field construction.
The method comprises the following specific steps:
1) underlying data assumptions
According to the prior construction experience, the related material structure size of a side wall single-side formwork support system is assumed, the structure size mainly comprises the size and the distance of secondary keel square timbers, the size of a single-side steel truss support is assumed, the size of an embedded steel bar pull ring is assumed, the size of the secondary keel square timbers is assumed to be 100 × 100mm, the distance is 40cm, the secondary keel square timbers are horizontally arranged, the single-side steel truss support is assumed to be formed by welding 12# channel steel and 10# angle steel, the distance of a single-side steel truss is 1.0m, the embedded steel bar pull ring is formed by processing steel bars, and the arrangement distance is assumed to be;
2) block model parameterization building
① parameterization building of long fiber reinforced thermoplastic composite material template
Parameterizing based on Inventor software to establish a sketch according to the material structure form of the long fiber reinforced thermoplastic composite material template, and drawing the novel composite fiber template through the sketch;
② parameterization building of steel truss support
Draft drawing is carried out on the basis of inventor software according to the side wall pouring height and the stress characteristics of the project, the drawn draft is structurally designed, double-spliced channel steel and single-channel steel are adopted for the truss, and after the steel truss is drawn, nodes are built or extended;
③ back-edge square timber and embedded steel bar pull ring building
The method comprises the following steps that square timber is adopted for the back edges, the size of the square timber is 100 × 100mm, a square timber model is built in the inventor software through stretching, embedded steel bar pull rings are drawn in the inventor software through a sketch, the distance is 1.2m, and two rows of foundation screws are arranged in total;
3) block model assembly integration
After all components are completed, the single-side template supporting system needs to be assembled, and the position and the constraint accuracy of each component are ensured in the assembling process;
4) stress analysis of integral model
Exporting the assembled side wall single-side template support system model in inventor software, and opening SimSOLid software to import the exported model;
and setting material characteristics, namely the elastic modulus, the Poisson ratio and the volume-weight related characteristics of the input material.
After the material setting is finished, connection setting is carried out, all nodes of the steel truss are bound according to the structural stress characteristics, the square timber and the long fiber reinforced thermoplastic composite material template are bound and connected, automatic connection creation is carried out firstly, and then modification and adjustment are carried out according to the creation result, so that all the connection positions are ensured to meet the requirements;
after connection is completed, statics analysis is established, constraint is added, the square timber and two screws at the bottom of the steel truss are connected through fixed ends, and the base and the bottom of the double-spliced channel steel are connected in a sliding mode;
and finally, adding loads, wherein the loads mainly comprise concrete side pressure loads and dead weight loads.
After the load is added, performing operation analysis to determine the deflection, stress and safety factor of the side wall single-side template support system;
5) optimizing structural dimensions
Optimizing the structural size of the steel truss according to the software calculation result, and then carrying out stress analysis to obtain an optimal design scheme;
6) drawing derivation
And (3) exporting the finally determined structural size of the side wall single-side formwork support system through inventor software to obtain a CAD (computer-aided design) drawing for steel truss machining and field installation and construction guidance.
The basic principle is as follows: the parameterized modeling of each block model is carried out based on inventor software, the built models are assembled, the assembled models are led into stress analysis software for integral stress analysis, each parameter is timely adjusted according to stress analysis results, an optimal design scheme is determined, the construction requirement is met, the economic cost is saved, and meanwhile, the design efficiency is greatly improved.
Compared with the prior art, the invention adopts inventor software for analysis, can quickly determine and establish the model, can quickly adjust parameters for the parts with problems and ensures that each graph can change along with the change; meanwhile, an engineering drawing can be generated according to the assembled model for on-site actual construction, and the three-dimensional model and the two-dimensional construction are combined, so that on-site technical bottom crossing and on-site construction management are facilitated; the method has the advantages that due to the fact that the SimSOLd grid-free simulation technology is utilized, contact types are automatically searched, contact is automatically defined, grid division does not need to be considered, the side wall single-side steel truss assembly body is comprehensively analyzed, the strength of the segmented connecting assembly is mainly considered, the result is accurate and reliable, and the method is faster and more convenient than the method using traditional finite element software to analyze.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
Examples
Referring to fig. 1, the present embodiment provides a method for designing and optimizing a side wall unilateral template support system based on a BIM technology, which includes the following specific steps:
1) underlying data assumptions
According to the prior construction experience, the related material structure size of a side wall single-side formwork support system is assumed, the structure size mainly comprises the size and the distance of secondary keel square timbers, the size of a single-side steel truss support is assumed, and the size of an embedded steel bar pull ring is assumed, wherein the size of the secondary keel square timbers is assumed to be 100 × 100mm, the distance is 40cm, the secondary keel square timbers are horizontally arranged, the single-side steel truss support is assumed to be formed by welding 12# channel steels and 10# angle steels, the distance of the single-side steel truss is 1.0m, the embedded steel bar pull ring is formed by processing the steel bars, and the arrangement distance is assumed.
2) Block model parameterization building
① parameterization building of long fiber reinforced thermoplastic composite material template
According to the material structure form of the long fiber reinforced thermoplastic composite material template, parameterization is carried out on the basis of Inventor software to establish a sketch, and the novel composite fiber template is drawn through the sketch, the template back rib and the template and template connecting holes are considered in the drawing process, and the drawing is carried out in the modeling process according to the form of 1200 × 1500 m.
② parameterization building of steel truss support
Draft drawing is carried out on the basis of inventor software according to the side wall pouring height and the stress characteristics of the project, the drawn draft is structurally designed, and double-spliced channel steel and single-channel steel are adopted for the truss. After the steel truss is drawn, the nodes need to be built or extended.
③ back-edge square timber and embedded steel bar pull ring.
The back ridges are made of square wood, the size of the square wood is 100 × 100mm, the square wood is stretched in the inventor software to build a square wood model, embedded steel bar pull rings are drawn in the inventor software through sketches, the distance is 1.2m, and two rows of foundation screws are arranged.
3) Block model assembly integration
After all the components are completed, the single-side formwork support system needs to be assembled, and the position and the constraint accuracy of each component are ensured in the assembling process. In order to reduce the convenience and convenience in assembly, when each part is drawn, the drawing is performed at the original position as far as possible.
4) Stress analysis of integral model
And (4) exporting the assembled side wall single-side template support system model in inventor software, and storing the export format according to the format of the model. The SimSolid software was opened to import the export model.
And setting material characteristics, and inputting the relevant characteristics of the material, such as elastic modulus, Poisson ratio, volume weight and the like.
After the material setting is finished, the connection setting is carried out, according to the structural stress characteristics, the steel truss is formed by binding all nodes, and the square timber and the long fiber reinforced thermoplastic composite material template are connected in a binding mode. And automatically creating the connection, and modifying and adjusting according to a creating result to ensure that each connection part meets the requirements.
After the connection is completed, a statics analysis is created. And (4) adding restraint, wherein the square timber is connected with two screws at the bottom of the steel truss through fixed ends, and the base and the bottom of the double-spliced channel steel are connected in a sliding manner.
And finally, adding loads, wherein the loads mainly comprise concrete side pressure loads and dead weight loads.
And after the load is added, performing operation analysis to determine the deflection, stress, safety factor and the like of the side wall single-side template support system.
5) Optimizing structural dimensions
According to the software calculation result, the structural size of the steel truss is optimized, and the original 12# double-spliced channel steel adopted at the back and the bottom of the end of the steel truss is adjusted into the double-spliced 16# channel steel; and the size of the foundation screw rod is required to be changed. The original distance between the back-edge square timbers is 40cm, the safety coefficient is large, the distance between the square timbers can be adjusted, and the distance between the square timbers is adjusted to be 60 cm; and then carrying out stress analysis to obtain an optimal design scheme.
6) Drawing derivation
At the current construction technical level, construction is guided mainly by a two-dimensional plane drawing, and a CAD drawing is derived by inventor software according to the finally determined structural size of the side wall single-side formwork support system and is used for steel truss machining and guiding field installation construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. A design and optimization method for a side wall unilateral template support system based on BIM technology is characterized by comprising the following steps: the method comprises the steps of establishing a side wall single-side template based on three-dimensional modeling software, and mainly comprising establishing a long fiber reinforced thermoplastic composite template panel, establishing a back-corrugated square timber and establishing a single-side steel truss support; assembling the established three-dimensional model and exporting the three-dimensional model into stl format; and importing the exported file into stress analysis software, inputting material characteristics, creating connection and boundary conditions, carrying out stress analysis, carrying out an optimization scheme according to a calculation result, optimizing the structure size, and finally exporting a final design scheme to a construction drawing to guide field construction.
2. The method for designing and optimizing the side wall unilateral template support system based on the BIM technology according to claim 1, characterized by comprising the following specific steps:
1) underlying data assumptions
According to the prior construction experience, the related material structure size of a side wall single-side formwork support system is assumed, the structure size mainly comprises the size and the distance of secondary keel square timbers, the size of a single-side steel truss support is assumed, the size of an embedded steel bar pull ring is assumed, the size of the secondary keel square timbers is assumed to be 100 × 100mm, the distance is 40cm, the secondary keel square timbers are horizontally arranged, the single-side steel truss support is assumed to be formed by welding 12# channel steel and 10# angle steel, the distance of a single-side steel truss is 1.0m, the embedded steel bar pull ring is formed by processing steel bars, and the arrangement distance is assumed to be;
2) block model parameterization building
① parameterization building of long fiber reinforced thermoplastic composite material template
Parameterizing based on Inventor software to establish a sketch according to the material structure form of the long fiber reinforced thermoplastic composite material template, and drawing the novel composite fiber template through the sketch;
② parameterization building of steel truss support
Draft drawing is carried out on the basis of inventor software according to the side wall pouring height and the stress characteristics of the project, the drawn draft is structurally designed, double-spliced channel steel and single-channel steel are adopted for the truss, and after the steel truss is drawn, nodes are built or extended;
③ back-edge square timber and embedded steel bar pull ring building
The method comprises the following steps that square timber is adopted for the back edges, the size of the square timber is 100 × 100mm, a square timber model is built in the inventor software through stretching, embedded steel bar pull rings are drawn in the inventor software through a sketch, the distance is 1.2m, and two rows of foundation screws are arranged in total;
3) block model assembly integration
After all components are completed, the single-side template supporting system needs to be assembled, and the position and the constraint accuracy of each component are ensured in the assembling process;
4) stress analysis of integral model
Exporting the assembled side wall single-side template support system model in inventor software, and opening SimSOLid software to import the exported model;
and setting material characteristics, namely the elastic modulus, the Poisson ratio and the volume-weight related characteristics of the input material.
After the material setting is finished, connection setting is carried out, all nodes of the steel truss are bound according to the structural stress characteristics, the square timber and the long fiber reinforced thermoplastic composite material template are bound and connected, automatic connection creation is carried out firstly, and then modification and adjustment are carried out according to the creation result, so that all the connection positions are ensured to meet the requirements;
after connection is completed, statics analysis is established, constraint is added, the square timber and two screws at the bottom of the steel truss are connected through fixed ends, and the base and the bottom of the double-spliced channel steel are connected in a sliding mode;
and finally, adding loads, wherein the loads mainly comprise concrete side pressure loads and dead weight loads.
After the load is added, performing operation analysis to determine the deflection, stress and safety factor of the side wall single-side template support system;
5) optimizing structural dimensions
Optimizing the structural size of the steel truss according to the software calculation result, and then carrying out stress analysis to obtain an optimal design scheme;
6) drawing derivation
And (3) exporting the finally determined structural size of the side wall single-side formwork support system through inventor software to obtain a CAD (computer-aided design) drawing for steel truss machining and field installation and construction guidance.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112163256A (en) * | 2020-09-22 | 2021-01-01 | 中铁七局集团有限公司 | Method for establishing and analyzing template support model based on finite element analysis and BIM |
| CN112329090A (en) * | 2020-10-10 | 2021-02-05 | 河南建祥装饰工程有限公司 | Steel truss parametric modeling and calculating method based on BIM |
| CN115168962A (en) * | 2022-07-20 | 2022-10-11 | 中国建筑西南设计研究院有限公司 | Constructional column ring beam design method and device, computer equipment and storage medium |
| CN115203806A (en) * | 2022-07-20 | 2022-10-18 | 中国建筑西南设计研究院有限公司 | Method and device for designing tall and large partition wall frame, computer equipment and storage medium |
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| CN110489895A (en) * | 2019-08-25 | 2019-11-22 | 中铁二局第一工程有限公司 | A kind of bridge vase pier capping beam steel form design method based on BIM technology |
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| CN2551718Y (en) * | 2002-07-02 | 2003-05-21 | 刘志良 | Shuttering support for single side wall of undercroft |
| CN106284976A (en) * | 2016-09-27 | 2017-01-04 | 中国建筑局（集团）有限公司 | Revit-based aluminum alloy template matching method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112163256A (en) * | 2020-09-22 | 2021-01-01 | 中铁七局集团有限公司 | Method for establishing and analyzing template support model based on finite element analysis and BIM |
| CN112163256B (en) * | 2020-09-22 | 2023-06-23 | 中铁七局集团有限公司 | Finite element analysis and BIM-based template support model building and analysis method |
| CN112329090A (en) * | 2020-10-10 | 2021-02-05 | 河南建祥装饰工程有限公司 | Steel truss parametric modeling and calculating method based on BIM |
| CN112329090B (en) * | 2020-10-10 | 2024-06-04 | 河南博贝建筑工程有限公司 | BIM-based steel mesh frame parametric modeling and calculating method |
| CN115168962A (en) * | 2022-07-20 | 2022-10-11 | 中国建筑西南设计研究院有限公司 | Constructional column ring beam design method and device, computer equipment and storage medium |
| CN115203806A (en) * | 2022-07-20 | 2022-10-18 | 中国建筑西南设计研究院有限公司 | Method and device for designing tall and large partition wall frame, computer equipment and storage medium |
| CN115203806B (en) * | 2022-07-20 | 2023-09-05 | 中国建筑西南设计研究院有限公司 | Design method and device for high-large partition wall frame, computer equipment and storage medium |
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