基于GIS的风沙铁路选线地理环境数据库设计  

Design of Geographic Environment Database for Railway Route Selection in Wind-sand Areas Based on GIS

作　　者：李泽宇 高玉祥 程璐 LI Zeyu;GAO Yuxiang;CHENG Lu(China Railway First Survey and Design Institute Group Co.Ltd,Xi'an,Shaanxi 710043,China;Beijing Jiaotong University,Beijing 100044,China)

机构地区：[1]中铁第一勘察设计院集团有限公司,西安710043 [2]北京交通大学,北京100044

出　　处：《铁道工程学报》2023年第10期62-67,111,共7页Journal of Railway Engineering Society

基　　金：中铁第一勘察设计院集团有限公司科研资助项目(院科22-09)。

摘　　要：研究目的:地理环境数据是铁路选线设计的基础。为解决风沙地区铁路选线中多源数据的存储管理、空间分析和选线应用,利用GIS在空间数据管理及应用系统构建方面的优势,建立基于GIS的风沙地区铁路选线地理环境空间数据库系统,提升多源异构数据在线路设计中的应用水平和工作效率。研究结论:(1)根据选线影响因子的特征,从数据的组织分类、数据库总体结构设计等方面研究了风沙地区选线地理环境空间数据库的设计思路和关键技术;(2)借助VS编译环境和AE技术,利用C#语言开发了集线路地理环境空间数据与融合应用于一体的数据库系统;(3)实现了风沙地区线路设计中多源异构空间数据与属性数据的存储、统一管理和空间分析,增强了数据的应用能力;(4)本文研究成果可为风沙地区铁路减灾选线设计工作提供有效的技术支撑。Research purposes:Geographic environment data is the foundation for railway route selection design.To solve the problems of data storage management,spatial analysis and design application for railway route selection in wind-sand areas,a geographic environment spatial database system for railway line design in wind-sand areas based on GIS was established by utilizing the advantages of GIS in spatial data management and application system construction.The application level and work efficiency of multi-source heterogeneous data in railway design was improved through the system.Research conclusions:(1)According to the characteristics of the influencing factors of route design,the design ideas and key technologies of spatial database for the geographical environment of route selection in wind-sand areas were studied in terms of data organization and overall structural design.(2)With the help of VS compilation environment and AE technology,a database system was developed using C#language that integrated spatial data and fusion applications of railway geographical environment.(3)The storage,unified management,and spatial analysis of multi-source heterogeneous spatial data and attribute data in the design of wind-sand areas were realized,which enhanced the application ability of data.(4)The research results can provide effective technical support for railway route selection of disaster reduction.

关 键 词：风沙地区 铁路选线 地理环境 GIS 数据库 

分 类 号：U212.1[交通运输工程—道路与铁道工程]