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预应力管桩支护在某些地区取得了比较成功的案例,但是针对不同的地质条件和不同的基础形式并不适用,支护桩本身的嵌入深度达既不到设计要求,也不满足《建筑基坑支护技术规程》(JGJ120-2012)的要求,其安全性更得不到保障。鉴于此,本文对预应力管桩应用于基坑支护中存在的问题进行了分析探讨,仅供参考。
Prestressed pipe pile support in some areas have been more successful cases, but for different geological conditions and different forms of foundation does not apply, the embedding depth of the pile itself is not up to the design requirements, does not meet the “ Building Foundation Pit Support Technical Regulations ”(JGJ120-2012) requirements, its security can not be more secure. In view of this, this paper analyzes the problems existing in the application of prestressed pipe piles in foundation pit support, for reference only.