| 西藏羊湖二厂电站厂房区泥石流危险性评价 |
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| 引用本文： | 铁永波,唐川,余斌.西藏羊湖二厂电站厂房区泥石流危险性评价[J].沉积与特提斯地质,2009,29(4):79-82. |
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| 作者姓名： | 铁永波 唐川 余斌 |
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| 作者单位： | 1. 成都地质矿产研究所,四川,成都,610082
2. 成都理工大学,地质灾害防治与地质环境保护国家重点实验室,四川,成都,610059 |
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| 摘 要： | 泥石流的活动特征及其危险性评价对电站的施工及运行有重要意义.根据羊湖电站厂房区勘查所获取的资料,对厂房区后山5条泥石流沟的成因进行了分析,在此基础上将层次分析法(AHP)应用到泥石流危险性评价研究中.对该厂房区5条泥石流沟的危险度评价表明,5号沟泥石流危险度最高,4号沟次之,1号沟、2号和3号沟危险度相对较低.泥石流危险度与流域面积的大小呈正比关系.
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| 关 键 词： | 泥石流 危险性评价 层次分析法 工程影响 |
Risk assessment of the debris flow hazards around the No.2 Yanghu hydropower plant |
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| TIE Yong-bo,TANG Chuan,YU Bin.Risk assessment of the debris flow hazards around the No.2 Yanghu hydropower plant[J].Sedimentary Geology and Tethyan Geology,2009,29(4):79-82. |
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| Authors: | TIE Yong-bo TANG Chuan YU Bin |
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| Institution: | 1. Chengdu Institute of Geology and Mineral Resources, Chengdu 610082, Sichuan, China;2. State Key Geological Hazard and Geological Environmental Protection, Chengdu University of Technology, Chengdu 610059, Sichuan, China |
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| Abstract: | The debris flow hazards are common in the construction of the hydropower stations. The method of the analytic hierarchy process proposed by Saaty is applied in this study to the risk assessment of the debris flow hazards in five debris flow gullies around No.2 Yanghu hydropower plant, Xizang. The results of assessment show that there is the most potential risk in the 5th debris flow gully, followed by the 4th debris flow gully. Particular attention and reasonable suggestions should be taken in the design and construction of No.2 Yanghu hydropower plant. |
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| Keywords: | debris flow risk assessment analytic hierarchy process engineering effect |
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