基于Google Earth和BIM的川藏铁路数字选线应用研究  

Application Study on Sichuan-Tibet Railway Digitalizing Line Location based on Google Earth and BIM

作　　者：刘江涛[1] 何娘者[1] 

机构地区：[1]中铁二院工程集团有限责任公司,成都610031

出　　处：《高速铁路技术》2016年第5期75-79,共5页High Speed Railway Technology

摘　　要：川藏铁路线路长,所经区域地形地质条件复杂,生态环境敏感,选线制约因素多。为综合把握选线区域各控制因素,在项目研究中综合应用Google Earth和BIM技术提取大范围地形数据、建立数字选线环境、进行交互选线和纵断面自动设计、基于BIM的三维设计等,以选择最优的线路通道和工程布局。研究结果表明:(1)Google Earth数据应用于川藏铁路选线,加快前期研究进度并节省费用;(2)基于Google Earth三维选线融合地形、地质、环保、规划等各种控制因素,在三维环境中直观审视线路方案,便于选择综合最优的方案;(3)基于BIM的线路三维设计对于局部方案比选、优化调整空间线形方面具有重要作用。Sichuan-Tibet railway mileage is long, terrain and geological conditions are complicated, ecological environment is sensitive. To grasp all the control factors and select the optimal synthesis of line,Google Earth and BIM Technology are comprehensively applied： extract a wide range of terrain data, establish digital route selection environment,interactive route selection design and vertical section automatic design based on BIM 3D design,etc. The rasults show that（ 1） Google Earth data application in Sichuan-Tibet railway,speeding up the preliminary research progress and saving cost;（ 2） based on Google Earth 3d route selection fixed with the topography, geology,environmental protection,project＇s planning,and other control factors,optimal synthesis of line scheme is selected;（ 3）Three dimensional design based on BIM has an important role in the scheme selection,optimization and adjustment of3 D alignment.

关 键 词：川藏铁路 数字选线 三维选线 BIM GOOGLE EARTH 

分 类 号：U212.32[交通运输工程—道路与铁道工程]