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上海地区围海大堤均构筑在近海滩涂上,由于地质条件、施工工艺、筑堤材料选择等原因,大堤在施工中及建成后均会产生不同程度的沉降变形,一旦变形超过大堤的设计值,会给建设过程及运行维护带来极大的隐患和危害。围海大堤沉降变形的成因较为复杂,结合上海临港新城围海大堤工程实例,分析大堤沉降变形原因,并提出针对性措施,以供类似工程参考。
Due to the geological conditions, construction technology, choice of embankment materials and other reasons, the levee will have different degrees of settlement during construction and after completion. Once the deformation exceeds the design value of the levee, Will bring great hidden danger and harm to the construction process and operation and maintenance. The causes of the settlement and deformation of the Waihai dike are complicated. Combined with the example of the seawall project of Shanghai Lingang New City, the causes of the settlement and deformation of the dike are analyzed, and the corresponding measures are put forward for the reference of similar projects.