上海软弱地基的超长钻孔灌注桩施工技术

Discussion on the Operational Technique of Super length Piles in the Soft Foundation in Shanghai

根据８ 个上海软弱地基的超长钻孔灌注桩工程项目的施工技术资料， 总结了超长桩的概念、施工难度和施工方法。

According to the operational technique information from the eight projects of the super length piles in the soft foundation in Shanghai,the authors in the paper summarizes the concept of the super length piles,the difficulties in the construction of the super length piles and the construction methods.Three engineering items are taken as examples.