PHC管桩静载抗压试验异常沉降原因分析  

Analysis of abnormal settlement of static load test of PHC pipe pile

作　　者：杨文浩 Yang Wenhao(Shanghai Hongkou Construction Engineering Quality Testing Co.,Ltd,Shanghai 200434,China)

机构地区：[1]上海虹口建设工程质量检测有限公司,上海200434

出　　处：《山西建筑》2018年第30期59-61,共3页Shanxi Architecture

摘　　要：通过在实际工程中,预应力管桩在验收阶段进行的单桩竖向抗压静载荷试验中发现部分试桩存在较大的异常沉降量,结合建设场地工程地质情况及该项目桩基施工情况,分析试桩异常沉降发生的诱因,并对该项目的预应力管桩桩基施工提出了一些建议,防止在软土地质条件中因施工因素而产生的异常沉降。This paper through the actual project, in the vertical compressive static load test of single pile in the acceptance stage of prestressed pipe pile, it is found that some test piles have large abnormal settlement, and combined with the engineering geology of the construction site and the construction of the pile foundation of the project, the author analyzes the inducement of the abnormal settlement of the test piles. Some suggestions are put forward for the construction of prestressed tubular pile foundation in this project to prevent the abnormal settlement caused by construction factors in the soft soil geologic conditions.

关 键 词：PHC管桩 静载抗压试验 挤土效应 

分 类 号：TU473.1[建筑科学—结构工程]