Mechanism on lateral widening of alluvial river channel
Transportation Information and Safety（2015）
摘要
According to the lateral widening of alluvial river channel, this paper analyzes two kinds of mechanical principles, which cause river channel widening. That is: the widening caused by the direct water erosion and the widening caused by the collapse of river bank. In addition, this paper also summarizes the common methods of lateral widening of simulating river channel (empirical method and hydrodynamics - soil mechanics method), and analyzes the advantages and disadvantages as well as its application ranges of both methods. At last, research expectations have been put forward.
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关键词
erosion,hydrodynamics,hydrological techniques,rivers,soil,alluvial river channel,direct water erosion,hydrodynamics,lateral widening mechanism,mechanical principles,river bank collapse,river channel widening,soil mechanics method,Lateral widening,collapse of bank,empirical method,hydrodynamics — soil mechanics method,scouring widening
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