While the strobe is opening or shutting,the surface in the long distance open channel often fluctuates acutely and overflows the bank.

• 长距离输水明渠中,常遇到闸门启闭过程中,渠中水面波动比较剧烈,导致漫堤的情况,严重的可能会引起渠堤失稳滑坡。