复杂环境条件下的深大基坑三道内支撑体系设计与施工

Design and Construction of Three Internal Support Systems for Deep and Large Foundation Pit Under Complex Environment Condition

结合苏州银座广场工程,对邻近运营地铁区间隧道的深基坑围护结构设计与施工工艺进行了介绍。并从栈桥施工、土方开挖运输、支撑破除等方面对深大基坑的施工重点、难点进行分析总结,以期为类似工程的施工提供借鉴。

Combi ned with the Ginza Plaza Project in Suzhou, the desig n and con structi on tech no logy of the deep foundation pit support structure adjacent to the subway tunnel in operation is introduced. The key and difficult points of large and deep foundation pit construction are analyzed and summarized from the aspects of trestle construction, earthwork excavation and transportation, support dismantlement, so as to provide reference for the construction of similar projects.