荆南干堤局部河段近岸水下抛石前后冲淤分析

Analysis of the Scour to the River Bed Along the Southern Main Dike of the Jingjiang River Before and After Throwing Stones into the Nearshore Water

对调关至八十丈河段抛石后局部冲刷进行验证测量 ,结果表明 ,抛石总体效果是明显的 ,但在特殊河段、特殊水流条件下抛石后河床局部有冲刷现象。对长江堤防工程的正常运行提出了安全监测建议。

The local scour after throwing stones into the nearshore water between Tiaoguan and Bashizhang is tested and measured.The result shows that the overall effect is obvious,but local scour still happens to the river bed of special river segment and special stream.Safety observation of the Changjiang dyke projects is proposed.