On foundation pit supporting scheme of Nanjing street station in Shenyang subway

According to hydro-geological condition of foundation pit of Nanjing street station in Shenyang subway,the author confirms the main principles of choosing supporting structural form,introduces several common foundation pit supporting schemes,and discusses the supporting structural form combined bored-hole cast-in-situ pile with steel pipe supporting which should be adopted by the project,which to offer a reference for similar project.