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HE Bao-fu, ZHANG Jia-gui, CAO Zheng-he, TIAN Tao, WANG Xian-li, XIONG Tan-yu. 2009: Geohazard characteristics and engineering harmfulness in Ludila reservoir hydropower station，Jinshajiang River, China. Geological Bulletin of China, 28(8): 1108-1117. DOI: 10.12097/gbc.20090814
Citation: HE Bao-fu, ZHANG Jia-gui, CAO Zheng-he, TIAN Tao, WANG Xian-li, XIONG Tan-yu. 2009: Geohazard characteristics and engineering harmfulness in Ludila reservoir hydropower station，Jinshajiang River, China. Geological Bulletin of China, 28(8): 1108-1117. DOI: 10.12097/gbc.20090814
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Geohazard characteristics and engineering harmfulness in Ludila reservoir hydropower station，Jinshajiang River, China

  • Key Laboratory of the Newtectonic Movement and Geohazard, Ministry of Land Resources/Institute of Geomechanics, Chinese Academy of Geological Sciences

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  • The Ludila reservoir hydropower station is located in the western part of Yunnan-Guizhou Plateau, southeast rim of the Tibetan Plateau, which is the most tectonically active region in southwest China, intensive internal and external geological process has led to widespread potential geohazard within this region. Through field geological investigation, it′s found that the major local geohazard types include rockfall, landslide and debris flow. Those geohazards are highly concentrated in the high mountain valley area, east of Jinshajiang Bridge. 81 geohazard points are identified 100km along the river; average density is 0.81 per kilometer. Among which landslide is the most important geohazard, which amounts to 59, accounts for 72.84%. On the basis of field investigation, the thesis decribes the main geohazard types, development characteristics, relationship between geohazards and engineering harmfulness, which can be provided as scientific information for project planning and prevention of geological hazards.
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