盾构隧道施工地表横纵向沉降变形分析  

Analysis of Sectional and Longitudinal Settlement Deformation of Metro Tunnel Construction in Surface Subsidence Ground

作　　者：刘志峰[1] 隆文武 

机构地区：[1]广东省建筑科学研究院,广州510500 [2]广州市地下铁道总公司,广州510038

出　　处：《广东土木与建筑》2012年第3期36-39,共4页Guangdong Architecture Civil Engineering

摘　　要：以广州地铁4号线工程实例为背景,结合盾构法施工地层变形机理以及隧道施工的地表横纵向沉降监测结果,分析总结了盾构隧道施工地表变形规律,为今后类似近距离下穿越既有线路或建(构)筑物的盾构隧道工程的地表沉降控制提供技术参考和指导。Taking Guangzhou metro line No.4 as an engineering example,combined with shield tunneling stratum deformation mechanism and tunnel construction of the longitudinal surface subsidence monitoring results.Summarizes the surface deformation regularity of shield tunnel construction.provide technical reference and guidance for future similar close range through the existing lines or building(structure) buildings shield tunnel engineering of surface subsidence control.

关 键 词：盾构隧道 地表沉降 沉降曲线 沉降槽 

分 类 号：U45[建筑科学—桥梁与隧道工程]