CN107273607A - A kind of steel-structure factory building pre-assembly method based on BIM - Google Patents

A kind of steel-structure factory building pre-assembly method based on BIM Download PDF

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Publication number
CN107273607A
CN107273607A CN201710441104.XA CN201710441104A CN107273607A CN 107273607 A CN107273607 A CN 107273607A CN 201710441104 A CN201710441104 A CN 201710441104A CN 107273607 A CN107273607 A CN 107273607A
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CN
China
Prior art keywords
steel
error
component
member
steel structure
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CN201710441104.XA
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Chinese (zh)
Inventor
刘占省
韩泽斌
赵雪锋
王竞超
张维廉
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北京工业大学
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Application filed by 北京工业大学 filed Critical 北京工业大学
Priority to CN201710441104.XA priority Critical patent/CN107273607A/en
Publication of CN107273607A publication Critical patent/CN107273607A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/13Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads

Abstract

The invention discloses a kind of steel-structure factory building pre-assembly method based on BIM, comprise the following steps:According to Specification Design and set up the special race storehouse of designed component;Steel structure member manuscript is exported, manuscript is numbered, is processed;3-D scanning is carried out to all components of machined completion, cloud data is obtained, tooling member race storehouse is set up according to cloud data;Designed component race storehouse and tooling member race storehouse are fitted, tooling member entity error is drawn, to carrying out returning factory's processing beyond the component of allowable error;The overall preassembling of progress is simulated in tooling member race storehouse according to error is met in TEKLA, obtains crucial point coordinates;Job site carries out entity component installation, and monitoring key point coordinate value, is adjusted in time to the key point beyond error range in real time.The present invention solve steel-structure factory building entity preassembling difficulty it is big, costly, it is long in time limit the problem of.

Description

A kind of steel-structure factory building pre-assembly method based on BIM

Technical field

The present invention relates to steel construction preassembling field, and in particular to a kind of steel-structure factory building pre-assembly method based on BIM.

Background technology

Steel construction preassembling is will to be segmented overlength degree, the post of large span, beam, truss, support and the multilayer steel frame manufactured Structure, the shell structure for particularly being manufactured and being supplied with the large-scale steel structure of high strength exploitation, piecemeal etc., in advance of dispatching from the factory The flat facade overall package of row is to control quality, ensure that component is smoothed out the effective measures installed.

Component preassembling will have a broader smooth place, larger crane gear, working space higher than more than 12m and Stand according to set by preassembling element type.Preassembling stand should set basis, and stand upper surface is smooth, is maintained at same On one horizontal plane, table surface height should facilitate operation.Gantry beams make of large-scale I-steel, set spacing to meet assembling members side To rigidity.Component should be assembled in a free state, and connecting bolt should be able to be penetrated smoothly in hole.Pre-assembly method is divided into overall pre-splicing Dress, segmentation preassembling and layering preassembling.

Preassembling need with the plant equipment almost identical with site operation, sufficiently large place, it is enough artificial and Man-hour, cost is very high, accounts for the 10-25% of steel member total manufacturing cost.Even if sometimes having to the paperback scheme using compromise To replace three-dimensional preassembling scheme, effect is unsatisfactory and difficulty and cost are equally very big.

BIM BIM (Building Information Modeling), is that current building field industrialization is ground One of new hot issue studied carefully.It is, using the every terms of information data of construction-engineering project as the basis of model, to carry out building three The foundation of dimension module, the real information having by digital information analogue simulation building.It has visualization, harmony, The features such as analogue type.

The content of the invention

The purpose of the present invention is big, costly, long in time limit to solve difficulty present in steel construction entity pre-assembly method Problem and provide a kind of save steel-structure factory building pre-assembly method of the entity preassembling based on BIM.

In order to solve the above-mentioned technical problem, it is an object of the invention to provide a kind of steel-structure factory building based on BIM is pre-splicing Dress method, this method comprises the following steps:

Step one, it is new in the middle of TEKLA to set up steel structure member, and set up the parametrization special race storehouse of steel structure member, Parametrization special race storehouse includes material, specification, size, absolute altitude, bolt hole, the thread parameter information of steel structure member, passes through Modification parameterizes the parameterized information in special race storehouse to change steel structure member model;

Step 2, classifying and numbering is carried out in TEKLA softwares by steel structure member, exports the CAD of each steel structure member Detail drawing, described CAD detail drawings include the size of steel structure member, material, specification, detail treatment, quantity information, factory's foundation CAD detail drawings are processed production;

Step 3,3-D scanning is carried out to the steel structure member that processing is completed, and computer is imported after the completion of scanning and is obtained The three dimensional point cloud of each steel structure member, BIM software TEKLA are imported by cloud data, and processing is set up according to cloud data Component special project race storehouse, model includes material, specification, size, absolute altitude, bolt hole, the thread parameter information of component, passes through modification The parameter of information changes steel structure member model;

Step 4, designed component race storehouse and tooling member race storehouse are fitted, tooling member entity error is drawn, to super The component for going out allowable error carries out returning factory's processing, until all components all meet requirement;

Step 5, the overall preassembling of progress is simulated according to the tooling member race storehouse for meeting error in TEKLA, and assembly is completed Afterwards, the bolt hole center's point for setting up connecting node between space coordinates, selection component is key point, obtains the coordinate of key point Value;Connecting node is between I-shaped latticed column and steelframe diagonal joint, between I-shaped real abdomen girder steel and steelframe diagonal joint etc..

Step 6, job site carries out entity component installation, assembled in the intermediate node link position of assembled each component After the completion of carry out 3-D scanning to overall, obtain cloud data and import after TEKLA the coordinate value for obtaining key point, and and step 5 Obtained key point coordinate value contrast, is adjusted, completes steel construction real in time at the scene to the key point beyond error range Body is installed.

Steel-structure factory building preassembling is carried out from Tekla softwares, fine steel construction detailing can be carried out, it is accurate to obtain The three-dimensional coordinate of key point, obtains the preassembling error of steel construction.

Using spatial digitizer scanning machining component, the cloud data of steel structure member is obtained, to improve according to three-dimensional point The component model precision that cloud data are set up, reduces influence of the measurement error to assembled error.

Using this steel-structure factory building pre-assembly method based on BIM, with advantages below:

1st, it is fitted by the special race storehouse of designed component of foundation and tooling member race storehouse, eliminates component mismachining tolerance, improve Produce and process precision.

2nd, in entity installation process, the crucial point coordinates of component connection, and the key obtained with preassembling are obtained in real time Point coordinates is contrasted, and eliminates alignment error, improves installation accuracy.

3rd, entity preassembling step is saved, cost is saved, shortens the duration.

Brief description of the drawings

Fig. 1 is the right elevation of steel-structure factory building;

Fig. 2 is steel-structure factory building front view.

In figure:1st, I-shaped latticed column;2nd, I-shaped real abdomen girder steel;3rd, steelframe diagonal joint;4th, wall skin post;5th, gable aisle Plate girder;6th, roof purline;7th, pillar;8th, column braces.

Embodiment

Steel-structure factory building pre-assembly method based on BIM, this method comprises the following steps:

Step one, steel structure member is set up in TEKLA softwares, and sets up the parametrization special race storehouse of component, model bag Material, specification, size, absolute altitude, bolt hole, thread parameter information containing component, can be repaiied by the parameter of modification information Change model;

Step 2, by steel structure member classifying and numbering in TEKLA softwares, exports each component CAD detail drawings, described is detailed Figure includes the size of component, material, specification, detail treatment, quantity information, and factory's foundation drawing is processed production;

Step 3, is scanned to the components three-dimensional that processing is completed, and computer is imported after the completion of scanning and obtains each component Three dimensional point cloud, BIM software TEKLA are imported by cloud data, and tooling member special race storehouse, model are set up according to cloud data Material, specification, size, absolute altitude, bolt hole, thread parameter information comprising component, can by the parameter of modification information come Change model;

Step 4, designed component race storehouse and tooling member race storehouse are fitted, tooling member entity error is drawn, to super The component for going out allowable error carries out returning factory's processing, until all components all meet requirement;

Step 5, the overall preassembling of progress is simulated according to the tooling member race storehouse for meeting error in TEKLA, and assembly is completed Afterwards, set up space coordinates, choose connecting node between component bolt hole (I-shaped latticed column 1 and steelframe diagonal joint 3 it Between, 3 etc. between I-shaped real abdomen girder steel 2 and steelframe diagonal joint) central point is key point, obtains the coordinate value of key point;

Step 6, job site carries out entity component installation, assembled in the intermediate node link position of assembled each component After the completion of carry out 3-D scanning to overall, obtain cloud data and import after TEKLA the coordinate value for obtaining key point, and and step 5 Obtained key point coordinate value contrast, to the key point scene adjustment in time beyond error range, completes steel construction entity and installs.

Although the preferred embodiments of the present invention are described above, the invention is not limited in above-mentioned specific Embodiment, above-mentioned embodiment is only schematical, is not restricted, one of ordinary skill in the art Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make very Multi-form, these are belonged within protection scope of the present invention.

Claims (3)

1. a kind of steel-structure factory building pre-assembly method based on BIM, it is characterised in that:This method comprises the following steps:
Step one, it is new in the middle of TEKLA to set up steel structure member, and set up the parametrization special race storehouse of steel structure member, parameter Change material, specification, size, absolute altitude, bolt hole, thread parameter information that special race storehouse includes steel structure member, pass through modification The parameterized information in special race storehouse is parameterized to change steel structure member model;
Step 2, classifying and numbering is carried out in TEKLA softwares by steel structure member, exports the CAD detail drawings of each steel structure member, Size of the described CAD detail drawings including steel structure member, material, specification, detail treatment, quantity information, factory is according to CAD detail drawings It is processed production;
Step 3,3-D scanning is carried out to the steel structure member that processing is completed, and computer is imported after the completion of scanning and obtains each The three dimensional point cloud of steel structure member, BIM software TEKLA are imported by cloud data, and tooling member is set up according to cloud data Special race storehouse, model includes material, specification, size, absolute altitude, bolt hole, the thread parameter information of component, passes through modification information Parameter change steel structure member model;
Step 4, designed component race storehouse and tooling member race storehouse are fitted, tooling member entity error is drawn, to beyond permitting Perhaps the component of error carries out returning factory's processing, until all components all meet requirement;
Step 5, the overall preassembling of progress is simulated according to the tooling member race storehouse for meeting error in TEKLA, after the completion of assembly, The bolt hole center's point for setting up connecting node between space coordinates, selection component is key point, obtains the coordinate value of key point; Connecting node is between I-shaped latticed column and steelframe diagonal joint, between I-shaped real abdomen girder steel and steelframe diagonal joint etc.;
Step 6, job site carries out entity component installation, and in the intermediate node link position of assembled each component, assembly is completed 3-D scanning is carried out to overall afterwards, cloud data is obtained and imports after TEKLA the coordinate value for obtaining key point, and obtained with step 5 The contrast of key point coordinate value, the key point beyond error range is adjusted in time at the scene, steel construction entity peace is completed Dress.
2. a kind of steel-structure factory building pre-assembly method based on BIM according to claim 1, it is characterised in that:From Tekla softwares carry out steel-structure factory building preassembling, can carry out fine steel construction detailing, the accurate three-dimensional for obtaining key point Coordinate, obtains the preassembling error of steel construction.
3. a kind of steel-structure factory building pre-assembly method based on BIM according to claim 1, it is characterised in that:Using three Scanner scanning tooling member is tieed up, the cloud data of steel structure member is obtained, to improve the structure set up according to three dimensional point cloud Part model accuracy, reduces influence of the measurement error to assembled error.
CN201710441104.XA 2017-06-13 2017-06-13 A kind of steel-structure factory building pre-assembly method based on BIM CN107273607A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108824816A (en) * 2018-05-31 2018-11-16 浙江大学 A kind of big inter-network frame sliding location and installation in high-altitude and monitoring method
CN109025319A (en) * 2018-07-10 2018-12-18 上海建工集团股份有限公司 A kind of prefabricated components butt joint interface quality testing and method of disposal
CN109488028A (en) * 2018-10-15 2019-03-19 筑梦高科建筑有限公司 A kind of construction pre-assembly method based on BIM technology
CN109779034A (en) * 2019-01-18 2019-05-21 中国十七冶集团有限公司 A kind of single layer abnormity network modularization installation method

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US20120303149A1 (en) * 2011-05-25 2012-11-29 Kevin Bollendorf Fabrication and tracking
CN102839747A (en) * 2012-09-24 2012-12-26 中国建筑第八工程局有限公司 Construction method for steel structure truss of super high-rise special structure
CN103870657A (en) * 2014-03-27 2014-06-18 中冶建筑研究总院有限公司 Method for achieving steel structure pre-assembling through computer simulation
CN104763157A (en) * 2015-04-14 2015-07-08 中建安装工程有限公司 Large stadium pipe truss and spiral duct modularization installation method and combination structure
CN106013535A (en) * 2016-05-31 2016-10-12 上海宝冶集团有限公司 BIM-based pre-assembling method for double-curved glass curtain wall
CN106354950A (en) * 2016-08-31 2017-01-25 华中科技大学 Steel structure pre-splicing method and system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101882180A (en) * 2010-07-09 2010-11-10 中国二十二冶集团有限公司 Computer simulation pre-assembly method of construction steel structure
US20120303149A1 (en) * 2011-05-25 2012-11-29 Kevin Bollendorf Fabrication and tracking
CN102839747A (en) * 2012-09-24 2012-12-26 中国建筑第八工程局有限公司 Construction method for steel structure truss of super high-rise special structure
CN103870657A (en) * 2014-03-27 2014-06-18 中冶建筑研究总院有限公司 Method for achieving steel structure pre-assembling through computer simulation
CN104763157A (en) * 2015-04-14 2015-07-08 中建安装工程有限公司 Large stadium pipe truss and spiral duct modularization installation method and combination structure
CN106013535A (en) * 2016-05-31 2016-10-12 上海宝冶集团有限公司 BIM-based pre-assembling method for double-curved glass curtain wall
CN106354950A (en) * 2016-08-31 2017-01-25 华中科技大学 Steel structure pre-splicing method and system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108824816A (en) * 2018-05-31 2018-11-16 浙江大学 A kind of big inter-network frame sliding location and installation in high-altitude and monitoring method
CN109025319A (en) * 2018-07-10 2018-12-18 上海建工集团股份有限公司 A kind of prefabricated components butt joint interface quality testing and method of disposal
CN109488028A (en) * 2018-10-15 2019-03-19 筑梦高科建筑有限公司 A kind of construction pre-assembly method based on BIM technology
CN109779034A (en) * 2019-01-18 2019-05-21 中国十七冶集团有限公司 A kind of single layer abnormity network modularization installation method

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