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首页> 外文会议>International conference on pipelines and trenchless technology;ICPTT 2011 >Analysis of the Existing Buried Pipeline Paralleled to Shield Tunneling Effects on the Stratum Settlement
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Analysis of the Existing Buried Pipeline Paralleled to Shield Tunneling Effects on the Stratum Settlement

机译：现有地下管线与盾构隧道对地层沉降的影响平行

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摘要

With FLAC3D finite difference analysis software, the effects of the existing buried pipeline on the stratum settlement due to shield tunneling construction in the condition of that the pipeline is parallel to the tunnel are analyzed in two aspects of the transverse and longitudinal settlement feature. Results show that the existing buried pipeline has remarkable influences on the displacement field of the stratum around the tunnel. On the ground surface above the existing buried pipeline, the transverse and longitudinal settlement curves of the stratum are all obviously less than those without considering the buried pipelines. The stratum displacement Held is more severely affected when the stratum is closer to the existing pipeline. Furthermore, the existence of the buried pipeline evidently obstructs the propagation of the stratum transverse displacement wave and shields the development of stratum subsidence above the pipe.
机译：使用FLAC3D有限差分分析软件，从横向和纵向沉降特征两个方面分析了在管道平行于隧道的情况下，现有掩埋管道对盾构施工对地层沉降的影响。结果表明，现有的地下管线对隧道周围地层的位移场影响显着。在现有的地下管线上方的地表上，地层的横向和纵向沉降曲线均明显小于未考虑地下管线的情况。当地层更靠近现有管道时，地层位移Held受到的影响更大。此外，地下管道的存在显然阻碍了地层横向位移波的传播，并屏蔽了管道上方地层沉降的发展。

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