墙土体参数对地下连续墙基础沉降数值模拟的影响

Acta Geologica Sichuan(2013)

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Abstract
考虑到墙周土体及接触的非线性,借助Mar软件建立了空间三维有限元模型,通过与工程实测比较,证明模型合理;在此基础上分析了土体变形模量、泊松比及墙土接触的摩擦对地下连续墙基础沉降的影响,结果表明:土体变形模量对基础沉降的影响相当大,泊松比取其经验值对基础基本无影响,墙土间摩擦系数的提高对基础沉降的减小有一定的作用。
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Key words
numeral simulation,settlement,loess,underground diaphragm wall
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