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Study on the Surge Wave Induced by Glacier Avalanches and its Effects on Dam Failure Process

机译:冰川崩塌引起的激波及其对大坝破坏过程的影响研究

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In this article, experimental tests were conducted to study the characteristics of the surge wave and its effects on the failure process of a glacier dam. The results indicated that two obvious surges were monitored by pore pressure transducers (PPTs) when the blockage slid into water. The surge wave attenuated exponentially near the plunging location and then attenuated slowly when it propagated downstream. When the surge wave reached the glacier dam it climbed up along the dam and flew over. Sequential propagating surges exerting on the dam were one of the main factors causing the failure of the glacier dam. The failure mechanism of glacier dam triggered by the surge waves under different initial water supply conditions was primarily analyzed in this article.
机译:在本文中,进行了实验测试以研究浪涌波的特性及其对冰川大坝破坏过程的影响。结果表明,当堵塞物滑入水中时,孔隙压力传感器(PPT)监测到两个明显的波动。冲击波在下降位置附近呈指数衰减,然后在向下游传播时缓慢衰减。当涌浪到达冰川水坝时,它沿着水坝爬上并飞过。大坝上连续传播的浪涌是导致冰川大坝倒塌的主要因素之一。本文主要分析了在不同初始供水条件下,激波引发的冰川大坝的破坏机理。

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