3D Geological Modeling Based on Boreholes Data and Application in Underground Engineering

Jinhu Hu, Chang-Guk Sun
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引用次数: 2

Abstract

3D Geological Model could completely and unambiguously express the spatial distribution, spatial relationship and attribute feature of the geological body, which has already been applied to the fields of energy resources, mine, urban underground space and tunnel engrineering, etc. This paper researches to build 3D geological model based on boreholes data. The process includs two kernel steps about the geological modeling: the one is constructing the topology relationship between boreholes based on Delaunay triangulation, and the other is the logical reasoning of strata linking between boreholes. Then, the 3D geological model could be built. Based on boundary representation (B-rep), the shield tunnels are built. Implementing the boolean operations between geological model and tunnels model, the underground engineering can be clearly expressed.
基于钻孔数据的三维地质建模及其在地下工程中的应用
三维地质模型能够完整、清晰地表达地质体的空间分布、空间关系和属性特征,已在能源、矿山、城市地下空间和隧道工程等领域得到应用。本文研究了基于钻孔资料建立三维地质模型的方法。该过程包括地质建模的两个核心步骤:一是基于Delaunay三角剖分法构建井间拓扑关系,二是井间地层连接的逻辑推理。然后,建立三维地质模型。基于边界表示法(B-rep)构建盾构隧道。实现地质模型与隧道模型之间的布尔运算,可以清晰地表达地下工程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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