At present,the equations used to estimate the general scour are mainly based on the following concepts at home and abroad:one is according to discharge per unit width and stopping velocity;and another is the law of equilibrium sediment transport.
目前,国内外的一般冲刷计算公式的建立主要是基于两种概念:一个是根据单宽流量和冲止流速的概念;再一个就是输沙平衡原理。