关于预应力混凝土管桩的倾斜歪桩纠偏及有裂缝桩的处理

The Rectification on the Tilt of the Prestressed Concrete Pipe Pile and the Treatment of Crack in the Crooked Pile

在软土地基上,由于基坑开挖施工方法不当,经常造成工程桩倾斜甚至折裂的工程事故。文中根据某工程预应力管桩桩基的事故处理,对该事故原因进行了分析,并总结引起桩基事故的其他原因,针对不同原因提出相应预防措施;以及对歪桩纠偏和有裂缝桩的处理方法进行比较详尽的描述。

When the foundation pit is excavated in the soft clay site, if the excavation method is not properly, prestressed pipe pile tilt even fracture usually could happen. This paper introduces an example of this kind of problem. Introduction includes treatment method for different slanting or fi＇actural piles, the reason analysis of the problem. At same time, author analyze some other reasons that may cause pile tilt or pile fracture, then give personal precautionary advice respectively; finally, give detail description on treatment ofpile tilt and pile fracture.