【作者】 梁建宁；

【Author】 Liang Jianning Beijing institute of Municipal Engineering

【机构】 北京市政工程研究院；

【摘要】 本文从监测数据出发,分析了一个在第四纪软弱地层中用桩墙作为开挖坑支护的大型(三层) 地铁车站在采用盖挖逆作法施工时支护桩墙变形及结构内力变化的过程和特点。更多还原

【Abstract】 A research on pile-wall (as support of cut zone)displacement and structure stress was tak- en in the construction of a large metro station in Beijing with“Cut under Cover(Top Down) Method”[CCTDM]in weak stratum of the Quaternary Period.In this paper,based on the data of monitor testing,their varying processes and characteristics were introduced and analysed. processes and characteristics were introduced and analysed.更多还原