Deformation Monitoring and Its Control in a Shallowburied Largespan Tunnel Constructed Using the PileBeamArch Method
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    Abstract:

    Deformation monitoring and control measures of a shallowburied largespan tunnel constructed using the pilebeamarch (PBA) method are described, taking the North Gongti Road Station of Beijing Metro line 10 as an example. Based on the monitoring datum, the crown settlement, convergence, ground settlement of the tunnel and the bridge foundation settlement are analyzed. The results show that (1) the PBA tunneling method can restrain the ground settlement and deformation of a shallowburied largespan tunnel; (2) the depth, tunnel span and pilot tunnel construction may influence the deformation of a shallowburied largesection tunnel significantly; and, (3) advanced conduit grouting, timely preliminary support and permanent lining construction can reduce the deformation effectively.

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瞿万波,刘新荣,黄瑞金,刘明忠.浅埋大跨洞桩隧道变形监测与控制分析[J].土木与环境工程学报(中英文),2009,31(1):38~43

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