| 西南某水电站旦波北沟泥石流形成条件及运动特征研究 |
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| 引用本文： | 杨日昌, 魏云杰. 2011: 西南某水电站旦波北沟泥石流形成条件及运动特征研究. 工程地质学报, 19(4): 511-515. |
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| 作者姓名： | 杨日昌 魏云杰 |
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| 作者单位： | 1.中国水电顾问集团公司华东勘测设计研究院 杭州 310014;;2.北京工业大学城市与工程安全减灾教育部重点实验室 北京 100124 |
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| 摘 要： | 旦波北沟为雅砻江中游右岸河段的一级支流,历史上曾发生多次泥石流。在查明泥石流形成条件的基础上,分析了旦波北沟泥石流的运动特征,包括泥石流的流速、流量、冲击力。这一结论为评价该泥石流对水电站的建设和安全运行的影响具有现实意义。建议左岸前期施工场地和左岸上游备料场沿江设置挡墙,且场地要注意少占行洪断面,防止泥石流沉积淤塞河道。
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| 关 键 词： | 泥石流 形成条件 流速 运动特征 流量 冲击力 水电站 |
| 收稿时间： | 2011-04-15 |
| 修稿时间： | 2011-05-28 |
FORMATION AND DYNAMIC CHARACTERISTICS OF DANBOBEI GULLY DEBRIS FLOWS NEAR HYDROPOWER STATION IN SOUTHWESTERN CHINA |
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| YANG Richang, WEI Yunjie. 2011: FORMATION AND DYNAMIC CHARACTERISTICS OF DANBOBEI GULLY DEBRIS FLOWS NEAR HYDROPOWER STATION IN SOUTHWESTERN CHINA. JOURNAL OF ENGINEERING GEOLOGY, 19(4): 511-515. |
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| Authors: | YANG Richang WEI Yunjie |
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| Affiliation: | 1.Hydro China Huadong Engineering Corporatio,Hangzhou 310014;;2.The Key Laboratory of Urban Security and Disaster Engineering,Ministry of Education,Beijing University of Technology,Beijing 100124 |
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| Abstract: | Danbobei gully is the main tributary of Ya-lung River and is at the right bank of the river middle reaches.The gully occurred many debris flowsin the past.This paper analyzes the dynamic characteristics of debris flows in Danbobei gully.It summarizes the formation conditions of the debris flows.It confirms that the debris flows in Danbobei gully are gully rainfall type with low-frequency and high viscous debris flows.It analyzes the debris flow characteristics of the movement such as the flow velocity,the d... |
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| Keywords: | Debris flows Formation conditions Flow velocity Dynamic characteristics Transporting quantity Punching power Hydropower station |
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