三峡升船机下游航道消除回流的工程措施陈忠儒（水工研究所）１工程概况三峡水利枢纽升船机航道的右侧设有两孔冲沙闸，左侧船闸设４条隧洞，其作用是冲走下游航道包括五级连续船闸航道的淤沙。下游引航道在距坝轴线约１０００ｍ处拐弯，弯道半径６００ｍ，夹角４４°，如... Three Gorges Ship lift downstream channel to eliminate back flow engineering measures Chen Zhongru (Institute of Hydraulic Engineering) 1 Project Overview Three Gorges Project Ship lift channel on the right with two holes flushing sand gate, the left side of the lock set 4 tunnels, its role is Washed away the downstream channel, including five continuous shiplock channel sediment. The downstream approach channel turns about 1000m away from the dam axis, the radius of the curve is 600m, the angle is 44 °, as ...