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.
海河防潮闸挡潮墙墙基为夹淤泥质粘土，承载力低，直接作为建筑物地基存在震陷问题。
The tidal flap wall base of Haihe River ebb gate is made up of Argillaceous Slime and thus, has low bearing capacity. This directly poses a sinking problem for construction foundation.
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