铁路工程地质选线三维可视化技术与评价方法研究

Study on 3D Visualization Technology and Evaluation Method for Railway Engineering Geological Alignment

研究目的:针对山区铁路地质选线中的地质条件复杂、线路方案多、论证周期长、方案决策难的问题,研究三维可视化地质选线技术和GIS工程地质评价方法,实现地质选线和评价方法的模型化、定量化和系统化。研究结论:通过研究多源地质信息集成、遥感信息提取、三维地理建模以及工程地质评价方法,建立三维可视化GIS集成体系,实现地质资料管理、空间分析、专题图制作、三维浏览功能,从而有效提高山区铁路地质选线的效率和可靠性。

Research purposes： According to the problems in the geological alignment of mountain railway,such as the complex geological conditions,many alignment schemes,long period of demonstrating scheme and hard decision-making,the study was done on the3D visualization technology for railway geological alignment and GIS evaluation method for engineering geological condition to realize the modularization,quantification and systematization of geological alignment and evaluation method. Research conclusions： Through the studies on multi-source geological information integration,remote sensing information sampling,3D geography modeling and engineering geological evaluation method,the 3D visualization GIS integrated system was established to realize the functions of geological information management,spatial analysis,thematic mapping and 3D view,and improve the efficiency and reliability of railway geological alignment in mountain area.