Study on parametric 3D modeling technology of mine roadway based on BIM and GIS

被引：0

作者：

Li M. ^{[1
]}

Kang J. ^{[1
]}

Liu H. ^{[1
]}

Li Z. ^{[2
]}

Liu X. ^{[2
]}

Zhu Q. ^{[3
]}

Xiao B. ^{[4
]}

机构：

[1] Institute of Remote Sensing and Geographical Information System, Peking University, Beijing

[2] China Coal Energy Research Institute Co., Ltd., Xi’an

[3] Beijing Longruan Technologies, Co., Ltd., Beijing

[4] Dahaize Coal Mine, China Coal Shaanxi Yulin Energy Chemical Co., Ltd., Yulin

来源：

Meitan Kexue Jishu/Coal Science and Technology (Peking) | 2022年 / 50卷 / 07期

关键词：

3D model; BIM; GIS parametric modeling method; roadway; transparent geological model system;

D O I：

10.13199/j.cnki.cst.2022-0492

中图分类号：

学科分类号：

摘要：

The 3D BIM modeling of roadway has the characteristics of complex data structure and large amount of detailed information, which is very different from the 3D model of GIS roadway in geometry and semantics, so it is difficult to carry out direct data integration. In order to make better use of the spatial analysis function of GIS and the refined modeling function of BIM, a roadway parameter modeling method was proposed to better utilize GIS spatial analysis and BIM modeling functions. Firstly, the roadway 3D data model and data structure considering the BIM level details and GIS spatial topology, including nodes, middle points, arcs, center-lines and triangular networks, were designed to connect the GIS topological network model and BIM Level of Detail model together, and to add attributes of geological, mine support design, ventilation, and evacuation of roadway. Secondly, a method for processing the topology relationship of 3D roadway network was proposed, and a standardized roadway centerline network data set was constructed through the spatial topology editing function of GIS. Finally, the parametric roadway modeling method was proposed, that is, reading the roadway centerline data set and parameters, constructing a basic roadway BIM model, and using Boolean operation technology to deal with complex conditions such as roadway chambers, turns and intersections. The model can fully display the details of the roadway shape and support, and also retains the GIS roadway network topology relationship, which improves the integratability of the data. Compared the Boolean algorithms with the wireframe algorithms, it is found that the Boolean method has better shapes on the intersection points of roadway with different section types. The research results have been applied in the Transparent Geological Model System of Dahaize Coal Mine, which supports multiple types of standardized 3D data formats such as udatasmith, obj, fbx and the other 3D data formats. The 3D model can not only provide 3D visualization, but also provide complete 3D data analysis services for emergency evacuation, roadway navigation, mine ventilation and geological assurance system. © 2022 The authors.

引用

页码：25 / 35

页数：10

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