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A method for automatically generating net rack BIM model

An automatic generation and grid technology, applied in instruments, geometric CAD, calculation, etc., can solve the problems of difficult modification, unsatisfactory use effect, and easy to be affected by human factors, so as to reduce human errors, reduce manual intervention, and improve work efficiency. The effect of efficiency

Active Publication Date: 2018-12-07
浙江中南绿建科技集团有限公司
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Problems solved by technology

Since the forms, specifications and spatial positions of each node and member in the space grid structure are not exactly the same, and there is no convenient way for the existing BIM software to model the space grid, the grid model is manually established The workload is heavy, and the accuracy of the model after completion is difficult to achieve the expected effect, and it is easily affected by human factors, difficult to modify, and the use effect is not ideal

Method used

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  • A method for automatically generating net rack BIM model
  • A method for automatically generating net rack BIM model
  • A method for automatically generating net rack BIM model

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Embodiment Construction

[0034] Such as figure 1 As shown, it is a method for automatically generating a BIM model of the grid structure of the present invention. The present invention can create rods including bolt balls, welding balls, one end welded with one end of the cone head, one end welded with one end of the sealing plate, and two ends of the cone head rod. The BIM model of the entire space grid structure including components such as sealing plates at both ends. The present invention takes as an example a space grid with both ends being bolted balls and connected by cone head rods at both ends. Specifically include the following steps:

[0035] (a) In Revit software, create a parametric component family that can change the geometric shape of the model by inputting parameters. The parametric component family includes different forms of space grid node components and members.

[0036] The created space grid parametric component family can include bolt ball family, ribless welded ball family, ...

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Abstract

The invention discloses a method for automatically generating a net rack BIM model. The includes the following steps: creating parameterized component families in Revit software, outputting the calculation model completed by the structural design software in the form of text, and extracting the information needed to create the spatial grid BIM model from the exported text file, and importing the information file into the Dynamo for Revit spatial grid generation program to generate the spatial grid BIM model. Compared with a conventional space truss modeling method, the method has high automation degree, is convenient to modify, can greatly improve design efficiency and achievement quality, and has obvious popularization and application value. Moreover, the method can create a space net rack with arbitrary curved surface, which brings convenience to the BIM modeling of the space net rack.

Description

technical field [0001] The invention belongs to the technical field of BIM building modeling, and in particular relates to a method for automatically generating a grid BIM model. Background technique [0002] The modern and open architectural style has created many large-span or special-shaped buildings. The space grid structure has developed rapidly due to its small weight and small height of the structure itself. It is widely used in various large-span venues, transportation hubs and Large commercial complex. [0003] With the rapid development of BIM technology in recent years, it is necessary to deepen and optimize the design of space grid design based on BIM technology. 3D BIM model of space grid. Since the forms, specifications and spatial positions of each node and member in the space grid structure are not exactly the same, and there is no convenient way for the existing BIM software to model the space grid, the grid model is manually established The workload is h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/13G06F30/20
Inventor 马嘉伟李志安夏伟平费建伟张可
Owner 浙江中南绿建科技集团有限公司
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