溃坝
岩土工程
泥沙输移
推移质
河床
地质学
浮石
沉积物
水文学(农业)
地貌学
大洪水
神学
火山
哲学
地震学
作者
J. B. Leal,Rui M. L. Ferreira,António H. Cardoso
标识
DOI:10.1061/(asce)hy.1943-7900.0000099
摘要
This experimental study focuses the influence of bed material mobility and initial downstream water level on maximum water level and time to peak of dam-break waves. It covers horizontal bed conditions on fixed bed, sand bed, and pumice bed. Results include water surface level time evolution, maxima wave levels and time to peak. The influence of bed material mobility and downstream water level was identified and characterized, stressing the importance of using mathematical models with appropriate sediment transport formulations instead of purely hydrodynamic models to simulate dam-break waves on mobile bed channels.
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