The maximum depth of the pit is mainly related to the inflow angle, unit discharge and the perviousness of the dike etc. with the maximum impact from the Unit discharge.

• 透水桩坝的坝前最大冲刷坑深度主要与来流单宽流量、入流角、桩坝透水率等因素有关，其中单宽流量对冲刷坑深度的影响最大。