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通过对不同领域地质三维建模和模拟分析相关技术研究现状的分析,结合盐岩地质特点和用途,应用3D GIS最新研究成果,设计实现了盐岩地质三维建模与分析应用平台,并对其中的关键技术方法进行了研究与实现。在完成了系统功能结构设计的基础上,利用Geodatabase数据模型对盐岩二维、三维空间数据进行组织与管理。在此基础上,利用面向对象程序设计技术,实现了细分虚拟钻孔构建和含盐地层三维建模与分析方法;基于声纳探测数据的盐腔三维表面拓扑重建技术和3D GIS空间分析的盐腔围岩三维体元模型构建方法,实现了盐岩地质体直接体绘制等关键技术。本文研究成果可以为盐岩地下溶腔的合理开采与利用提供有力的技术支撑和科学依据。
Based on the analysis of the research status of related technologies in three-dimensional modeling and simulation of geological geology in different fields, combining with the geological features of salt rock and its application, the latest research results of 3D GIS are applied to design and implement the application platform of three-dimensional modeling and analysis of salt rock geology, The key technical methods were studied and implemented. On the basis of completing the functional design of the system, Geodatabase data model is used to organize and manage the salt rock 2D and 3D spatial data. Based on this, the method of object-oriented programming is used to realize the 3D modeling and analysis of sub-divided virtual borehole and salt formation. The saltwater 3D surface topology reconstruction technology based on sonar detection data and 3D GIS spatial analysis The method of constructing three-dimensional voxel model of salt rock is realized, and the key technologies such as direct volume rendering of salt rock geological body are realized. The research results of this paper can provide strong technical support and scientific basis for the rational exploitation and utilization of underground caverns in salt rock.