水泥土搅拌桩复合地基载荷试验数值分析1
首发时间:2004-06-21
摘要:水泥土搅拌桩在高速公路的软基处理中得到了广泛应用,但是对水泥土搅拌桩地基深层桩土应力比和变形未能有深入的认识。本文应用弹性层状体系和Mindlin附加应力联合求解的方法对水泥土搅拌桩复合地基载荷试验进行数值的分析计算,总结了水泥土搅拌桩复合地基深层桩土应力比的变化规律,讨论了水泥土搅拌桩复合地基深层桩土变形协调问题。
关键词: 水泥土搅拌桩 复合地基 弹性层状体系 Minlin应力 桩土应力比 差异变形
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PLT’s Numerical Analyze of DJM Composite Foundation
Abstract:DJM has been widely used for the soft ground improvement in highway engineering, but the stress ratio of pile to clay and deformation of composite foundation are not well understood. In the paper, the layered elastic system and Mindlin stress are combined in analyzing the stress of the composite foundation under PLT. Then, the relationship between the stress ratio and depth is summarized, and co-deformation of DJM composite foundation is also discussed too.
Keywords: DJM, composite foundation, layered elastic system, Mindlin stress stress ratio of pile to clay, different deformation
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No.8417945108778075****
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