KEYWORDS: 3D modeling, Visual process modeling, Bridges, Data modeling, Computer aided design, Roads, Visualization, Systems modeling, 3D visualizations, Virtual reality
Through the application of building information modeling (BIM) technology in the Xiaowan Interchange project, this paper reviewed the idea and the correct process of the establishment of the whole complex municipal interchange BIM model in detail, studied the technology application of earthwork adjustment, collision detection, visual distance detection and headroom detection based on BIM technology, and finally tried BIM mapping and VR display. The research shows that the application of BIM technology in the design of municipal interchange can effectively optimize the linear shape, longitudinal section, structure, and position of the intersection; and the use of the BIM model to carry out a statistical review of engineering quantities and 3D mapping can improve the quality of design documents and express the design intention with a better visualization.
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