感潮河口附近挡潮 御卤、排涝蓄淡的水闸。涨潮时，潮水位高于河水位，关闸挡潮;落潮时，潮水位低于河水位，开闸排水。挡潮闸具有双向挡水、操作频繁等特点，维修养护困难。
For the sake of increasingly serious threat of storm surge, the feasible measure is to build a new-type floodgate. The rotating sluice is an appropriate type of the new-type floodgate.
为了抵御不断加剧的风暴潮威胁,在吴淞口修建一座开敞式挡潮闸是一种可行的方案。
参考来源 - 黄浦江旋转闸门的三维水动力分析·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明，喷涂聚脲弹性体可有效地防止挡潮闸钢闸门的腐蚀，具有较长期的经济效益。
It was found that the sprayed polyurea elastomer could be used to efficiently prevent the steel gate from corrosion, and the technology could have enormous long-term economic benefit.
挡潮闸的基本功能是挡潮，综合功能包括防挡咸潮入侵，远期预留参与流域行洪调度、水质调度的功能。
Its main effects include preventing tide and salt water, satisfying the shipping and controlling flood and water quality.
一个潮汐泻湖系统同时主张，而不是在塞文河口挡潮闸闸继续作出自己的案件-塞文河大坝：行打破了英国最大的可再生能源项目的进行。
Meanwhile advocates of a tidal lagoon system rather than a tidal barrage in the Severn estuary continue to make their case - Severn barrage: Row breaks out over UK's biggest renewables project.
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