Slope Effect on Dam Break Flow over Movable Bed, Experimental Study

Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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تاریخ نمایه سازی: 16 مهر 1392


The failure of a major flood control structure may expose the surrounding population to serious risk. Such an event kind may involve rapid transients with strong interactions between flow and topography. So, to correctly simulate the consequences of a dam failure in a complex topography, this interaction should be accounted for in mathematical modeling, which should however rely on physical descriptions that are not yet completely established. Present study explores some configurations for plane movable bed with different percent of bed slope across the dam. Experiments were carried out in an ideal flume, and instrumentation of the tests performed by means of fast digital imaging through the flume. Results show that increasing in slope lead to increasing in flow velocity and therefore increasing in eroding force and volume of transported sediment. Important result is that increasing in slope lead to nonlinear variation rate of scouring and sedimentation parameters.


Farhad Bahmanpouri

MSC Student of Civil Engineering University of Tehran

Masoud Montazeri Namin

Assistant Professor at College of Engineering University of Tehran

Seyed Taghi Omid Naeeni

Assistant Professor at College of Engineering University of Tehran