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Dynamic influence of single pile internal force induced by adjacent shield driving
Pages: 23-29
Year: Issue:  3
Journal: Journal of Nanjing University of Technology(Natural Science Edition)

Abstract: 为了研究盾构掘进过程对周边桩基础内力的影响,结合苏州轻轨1号线玉山公园与苏州乐园盾构隧道区间的施工情况,采用三维有限元数值模型,研究盾构施工过程对单桩内力的动态影响.结果表明:在盾构施工过程中,侧桩的轴力均呈现桩顶和桩底处小、隧道轴线处最大的特点,侧桩的轴力和弯矩随盾构的不断逼近而变大,且最大负弯矩大于最大正弯矩;同时侧桩越长,桩身轴力也越大,不同长度侧桩的弯矩均在隧道轴线处最大.在盾构从正下方穿...
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