摘要
根据一座Φ40m圆库在基坑开挖时造成预应力管桩断桩事故的情况,分析了造成断桩的主要原因,提出了补救办法和加固过程中的注重防范的事项,总结了开挖淤泥质地基时避免断桩的五项具体控制措施,为解决和避免类似事故提供了参考。
By the details about prestressed pile broken incident which have occurred at the excavation of Φb40 silo foundation pit, with the analysis of the major element that lead to the incident, makes the proposal for reparation method and precaution measure in pile reinforcement, so afterwards defines 5 controUing provisions that can help avoid pile broken incident at the excavation of silt stratification and also can provide reference for solution of this incident.
出处
《工程建设与设计》
2008年第8期43-46,共4页
Construction & Design for Engineering
关键词
基坑开挖
淤泥质地基
预应力管桩
断桩
管桩补强
foundation excavation
silt stratification
prestressedpile
damagedpile
pile reinforcement
