24m长废旧混凝土方桩拔除施工技术

Construction Technology of Pulling out 24m Long Waste Concrete Square Pile

结合上海交通大学医学院附属新华医院小儿外科临床医学中心楼和上海市血液中心杨浦分站工程(以下简称小儿外科临床中心楼工程)旧混凝土方桩的拔除实例,介绍了在施工过程中,5次变更拔桩施工工艺,最终顺利安全完成旧桩拔除任务。

Combined with the removal examples of old concrete square piles in the clinical center building of pediatric surgery of Xinhua Hospital Affiliated to Shanghai Jiaotong University Medical College and Yangpu sub station project of Shanghai Blood Center(hereinafter referred to as the clinical center building project of pediatric surgery), this paper introduces the construction technology of 5 times of pile removal in the construction process, and finally successfully and safely completes the task of old pile removal.