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Research on BIM Model Decomposition, Component Hierarchy and Structural Organization Methods of Highway Conventional Bridges |
XIAO Chun-hong, ZHU Ming, YUAN Song |
Sichuan Communication Surveying & Design Institute Co., Ltd., Chengdu Sichuan 610017, China |
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Abstract With the development of BIM technology in the highway industry, its application value has been fully affirmed in all stages of construction, such as design stage, construction stage and maintenance stage. The application field and depth continue to increase, while the accuracy of BIM models and the richness of information are proposed higher Claim. This paper conducts a systematic study on the application requirements of highway bridges at various stages, and formulates information standards such as coding, design information and engineering quantities included in the BIM model according to the application requirements of various stages. At the same time, it studies the BIM model decomposition and component level division rules of general highway bridges. In combination with application requirements, information standards, model decomposition and component hierarchy division rules, a BIM model structured organization method is proposed. This method separates BIM model to geometric model and model attributes, establishes the corresponding relationship between geometric model and model attributes through the ID, creates the BIM model decomposition scheme and hierarchical relationship configuration table based on the engineering construction application requirements, and finally creates the BIM model which matching this decomposition scheme and hierarchical relationship based on this configuration table. Research shows that the BIM model obtained based on the structural organization method of the highway bridge BIM model described in this article can adapt to different BIM standards and the change of BIM model under different application requirements, which is conducive to the adjustment of component hierarchical relationships and the expansion of BIM information, It is useful for establishing the correspondence between workflow (WBS) and BIM components, and improve the efficiency of BIM application, meet the needs of highways BIM application requirements at all stages of bridge construction.
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Received: 11 June 2021
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Fund:Supported by the Science and Technology item of Sichuan Provincial Department of Transportation (No.2019-B-02) |
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