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| DIGITAL STRATA MODELING AND ITS APPLICATION TO XIANG¢AN SUBSEA TUNNEL IN XIAMEN |
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Abstract Combining with the project of Xiang¢an subsea tunnel in Xiamen，an elaborate summary of the current 3D strata modeling theory is firstly presented；and then a triangular prism strata modeling is put forward. In the process of modeling，geological exploration holes are abstracted as scattered points；and these points are built into 2D meshes by the Delaunay algorithm. The 3D strata is built by triangular prisms which are formed based on the connection relationship of drill holes determined by the planar position of mesh nodes. This model has the merit of easy to storage，space analysis，visualization，etc.. Thirdly，the tunnel and auxiliary facilities models are built in 3D graphics platform. Finally，the spatial analysis including information query，strata cutting and strata excavation are realized based on the strata and tunnel models.
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Received: 23 August 2006
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MAO Yuting1, 2, HE Manchao1, 2, LIU Fangzhou3, BAI Xing4, YANG Xiaojie1, 2, TAO Zhigang1, 2*. Development and application of a large-scale physical model system for tunnel creep testing[J]. , 2026, 45(6): 1627-1638. |
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