Abstract Investigating scale effects on breach evolution of overtopped sand embankments
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Investigating scale effects on breach evolution of overtopped sand embankments

机译：调查尺度效应对覆沙路堤破坏演化的影响

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Abstract The aim of this paper is to investigate the effect of scale on embankment breach processes. Relatively large scale physical models to study the embankment breach processes are expensive and time consuming. Relatively small scale experiments give better opportunity to explore the embankment breach events, but the scale effect should be considered. In this study, two small scale overtopped sand embankments were investigated in a laboratory flume. The results of these experiments are compared with the results of a previously studied large scale experiment. The analysis shows that, both the large and the small scale embankments follow almost the same embankment erodibility processes and the same rate of breach. It can be concluded that, small scale embankments can be used to study breaching events due to overtopping even with the scale effect.
机译： 摘要 本文的目的是调查规模对路堤违规过程的影响。研究路堤破坏过程的相对较大的物理模型既昂贵又耗时。相对较小规模的实验为探索路堤破坏事件提供了更好的机会，但应考虑规模效应。在这项研究中，在实验室水槽中研究了两个小规模的覆盖砂路堤。将这些实验的结果与先前研究的大规模实验的结果进行比较。分析表明，大型和小型路堤都遵循几乎相同的路堤易蚀性过程和相同的破坏率。可以得出结论，即使有规模效应，小规模路堤也可用于研究因超车造成的破坏事件。

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