| 云南大瑞铁路大保段地质灾害特征与诱发因素 |
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| 引用本文： | 杨爱春,任贵良. 云南大瑞铁路大保段地质灾害特征与诱发因素[J]. 云南地质, 2010, 29(2): 185-189,145 |
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| 作者姓名： | 杨爱春 任贵良 |
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| 作者单位： | 云南南方地勘工程总公司,大理,671000 |
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| 摘 要： | 大瑞铁路大保段位于云贵高原西部边缘,著名的横断山脉南段,地势错综复杂。主要地质灾害崩塌、滑坡、泥石流,地质灾害的形成的本质因素是地形地貌、地层岩性、地质构造等;外部因素包括大气降水、植被破坏及人类工程活动等方面。
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| 关 键 词： | 滇西纵谷地带 跨多个地象单元 地质灾害频发 云南大保段铁路。 |
THE CHARACTERISTICS AND FORMATION CONDITION OF GEOLOGICAL DISATER IN DABAO SEGMENT OF DARUI RAILWAY,YUNNAN |
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| YANG Ai-chun,REN Gui-liang. THE CHARACTERISTICS AND FORMATION CONDITION OF GEOLOGICAL DISATER IN DABAO SEGMENT OF DARUI RAILWAY,YUNNAN[J]. Yunnan Geology, 2010, 29(2): 185-189,145 |
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| Authors: | YANG Ai-chun REN Gui-liang |
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| Affiliation: | (Yunnan General Company of S Geoexploration Engineering,Dali 671000) |
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| Abstract: | The Dabao segment of Darui railway is in the W margin of Yun-Gui plateau,the S part of famous Hengduan Mts,with very complex and various geomorphology.The main geological disaster includes collapse,slide and debris flow.The inner factors of geological disaster are geomorphology,lithologic character and geological structure,etc,whereas the outer ones include atmosphere precipitation,vegetation damage and man-induced engineering activities,etc. |
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| Keywords: | Longitudinal Valley Area of W Yunnan Composite Geomorphologic Unit Frequent Geological Disaster Dabao Segment Railway of Yunnan |
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