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Key techniques for the emergency disposal of Quake lakes.

机译:地震湖泊紧急处置的关键技术。

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摘要

The Wenchuan Earthquake of May 12, 2008 formed a large number of Quake lakes; 104 of them had a dam taller than 10 m, a water storage capacity larger than 1.0x105 m3, and a catchment area greater than 20 km2. If these Quake lakes are not thoroughly assessed and properly disposed, the losses caused by the burst of these lakes may be even larger than those caused by this earthquake itself. The Quake lakes with high risks have been properly disposed with the schemes proposed by the authors. This article presents a case study on the emergency disposal of the Tangjiashan, Laohuzui, Jiadanwan, and other Quake lakes. The key techniques applied in the emergency disposal of Quake lakes, including site exploration, risk assessment, design of discharge chutes, selection of construction method and equipment as well as post-emergency disposal evaluation, are discussed.
机译:2008年5月12日的汶川地震形成了大量的Quake湖泊。其中104座水坝高出10 m,蓄水量大于1.0x10 5 m 3 ,集水面积大于20 km 2 < / sup>。如果未对这些Quake湖泊进行彻底评估和适当处置,则这些湖泊爆发所造成的损失可能会比这次地震本身造成的损失还要大。作者建议的方案已适当处置了高风险的Quake湖泊。本文以唐家山,老胡嘴,加丹湾和其他Quake湖的应急处置为例。讨论了在Quake湖泊紧急处置中应用的关键技术,包括现场勘探,风险评估,排放斜槽设计,施工方法和设备的选择以及事后处置评估。

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