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首页> 外文期刊>Arabian Journal for Science and Engineering. Section A, Sciences >Experimental Study of Landslide SurgeWave Overtopping an Earth Dam
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Experimental Study of Landslide SurgeWave Overtopping an Earth Dam

机译：山体滑坡超越地球大坝的实验研究

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摘要

In this study, the experimental investigation on whether the landslide surge waves can influence the dam failure process causedby flood overtopping was presented. The experiments were conducted in a large width flume with length of 50 m, width of4 m and height of 2 m. The time between the start of the earth dam break and the surge wave reaching the dam site was setto 80 s. During this period, the water depth of the reservoir constantly decreased. The experimental results showed that thesurge wave height decreased while the propagation velocity increased slightly as the surge moved to the dam site. Severalsurge waves could overtop the dam crest and the shear height of the dam crest caused by each surge wave was a function ofthe surge wave height, which could be described non-dimensionally by Δz* = 0.946 Hs~(*2.113). The surge wave influenced thewater level falling velocity and breach width expanding speed from the time of the overlay of the breaking dam. The surgewave could lead to a large instantaneous peak discharge that exceeded the dam failure peak discharge of the experiments withno surge wave.
机译：在这项研究中，实验研究山体滑坡浪涌波是否会影响坝体破坏过程通过洪水拓展。实验在大的宽度水下进行，长度为50米，宽度4米和高度为2米。设定了地球坝断裂开始与到达水坝网站的浪潮之间的时间到80秒。在此期间，水库的水深不断下降。实验结果表明当浪涌移动到坝址时，浪涌波高度降低，而传播速度略微增加。一些浪涌波可以概括大坝嵴和每个浪潮引起的大坝嵴的剪切高度是一个功能浪涌波高，可以在Δz* = 0.946Hs〜（* 2.113）上非维度描述。浪潮影响了水位下降速度和突破宽度从断裂坝覆盖时的速度扩张速度。浪涌波可能导致大的瞬时峰值放电超过实验的坝体故障峰值放电没有浪涌波。

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