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一、前言任何一条冲积性河流,河床上水深总是有深有浅,妨碍航行的浅区,谓之浅滩。浅滩是水流与河床相互作用的产物,浅滩的消长,是以泥沙运动为扭带的,在一种水流的情况下,通过泥沙的淤积,河床升高;在另一种水流的情况下,床面泥沙被冲刷、河床降低。航道整治,就是通过整治建筑物的作用,去改变浅滩上水流状态,冲刷泥沙,降低河床,以利通航。
I. INTRODUCTION Any alluvial river, the depth of the riverbed is always shallow and shallow, impeding the navigation of the shallow area, that the shallow. Shallows are the product of the interaction of water currents with the riverbed, and the growth and decline of shoal banks are twisted with the movement of sediment. In the case of a water flow, the riverbed rises by the siltation of sediment; in the case of another water flow , The bed of sediment was washed, lower riverbed. Waterway regulation, that is, through the rectification of the role of buildings to change the state of water flow on the shoal, erosion of sediment, reduce the river bed to facilitate navigation.