软土地层中盾构开挖面失稳情况下的土体扰动影响分析
Building Construction(2020)
Abstract
通过数值模拟和无量纲分析方法,对在典型尺寸条件下、不同埋深比的盾构开挖面失稳土体扰动机制展开了分析和研究.研究结果表明:软土地层中盾构开挖面失稳区域近似呈现出"盆"状;在不同埋深比下,开挖面失稳对地表沉降的影响也不一致,埋深比越大,地表沉降越小,沉降范围越大.该结论为后续软土地层盾构施工提供了有益的参考.
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