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滑坡、崩塌、泥石流等地质灾害是影响山区铁路正常运营最常见的自然灾害，本文论述了利用航空遥感、地理信息系统进行铁路地质灾害调查和建立灾害信息系统的技术线路与方法，并以宝鸡至天水铁路为研究区，讨论了灾害数据库的建库流程、灾害查询、灾害分析模型以及灾害制图等问题。
Geological disasters such as landslide, collapse and debris flow are the most common natural disasters that affect the normal operation of mountain railway. This paper discusses the technical route and method of using railway remote sensing and geographic information system to investigate railway geological disasters and establish disaster information system. Tianshui Railway as a research area, discussed the disaster database construction process, disaster information, disaster analysis model and disaster mapping and other issues.