重力式码头基槽开挖和基床施工过程中存在泥沙回淤现象.特别是在河流的出海口,由于河流泥沙运动以及潮汐、潮流、波浪的作用,回淤情况更加严重,对施工过程造成极大影响.本文以厦门港海沧港区21#泊位为工程实例,对该工程基础施工中出现的回淤情况进行简要的分析,并总结了清淤所采取的技术对策及措施,对类似工程施工具有一定的借鉴.%Sedimentation usually occurs during the construction of foundation bed and the excavation of foundation trench of gravity berth structure. The motion of silt and the actions of tide, current and wave cause more serious sedimentation at the estuary of rivers, which influences the construction to a high extent. Haicang Harbor No. 21 berth Project at Xiamen Port is taken as an example to simply analyze the sedimentation in the foundation construction and summarize the measures for dredging construction. The research results will serve as a reference for similar projects.
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