近地铁隧道的深基坑支护及施工控制

Support and Construction Control of Deep Foundation Pit Close to Subway Tunnel

结合苏州轨道交通4号线旁某新建项目工程,介绍了近地铁隧道的深基坑支护设计及施工过程控制。考虑到基坑下部分布有砂性土,为确保土方开挖、相邻地铁隧道和周边环境的安全,研究制订了相关技术措施,取得了理想的效果。其经验亦可供类似工程参考。

Combined with a new construction project next to Line 4 of Suzhou Rail Transit,the support design and construction process control of deep foundation pit support close to subway tunnel was introduced.Considering the distribution of sandy soil in the lower part of the foundation pit,relevant technical measures were studied and formulated to ensure the safety of earthwork excavation,adjacent subway tunnels and the surrounding environment,and ideal results were obtained.The experience can also be used as a reference for similar projects.