软土地区大截面矩形顶管工法研究

摘要

This paper comprehensively discusses construction machinery,process flows.construction parameters control of large section rectangular pipe jacking based on the two rectangular pipe jacking underpass project m the first phase engineering of Qibao Station of Shanghai Metro Line y. It also analyzes and discusses the problems that are often encountered in construction. Finally.it proposes the future development and research direction of large section rectangular pipe jacking.%以上海市轨道交通9号线一期工程七宝站两条矩形顶营过街通道工程为背景,全面论述了大截面矩形顶管的施工机械、工艺流程、施工参数控制等.对施工中容易发生的问题进行分析和研究,并提出了大截面矩形顶管的未来发展和研究方向.