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苏州河下游防汛墙加固改造工程地处市中心,河道两岸建筑密集,地下管线纵横,地下障碍物等不明情况众多,周边环境极其复杂。本工程防汛墙采用高桩承台结构,采用桩基进行地基处理,桩型的选用因地制宜,桩型使用类型多,包括预制板桩、预制方桩、钻孔灌注桩、钢板桩、树根桩、PHC高强度预应力管桩、H型钢桩、旋喷桩等,本文对本工程桩基基础应用进行总结分析,对类似工程建设有借鉴意义。
The flood control wall of the lower reaches of Suzhou Creek is located in the downtown area. The buildings on both sides of the river are intensively built. There are many unknown and unknown conditions such as underground pipelines and underground obstacles. The surrounding environment is extremely complicated. The flood control wall of this project adopts the structure of high-pile caps, and uses pile foundation for foundation treatment. The selection of pile type is adapted to local conditions and the types of pile type are many, including prefabricated sheet piles, prefabricated square piles, bored piles, steel sheet piles, , PHC high-strength prestressed pipe piles, H-shaped steel piles, rotary jet grouting piles, etc. This paper summarizes the application of pile foundation of the project, which has reference significance for similar projects.