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珠江三角洲软土物理力学指标统计分析

, PP. 47-50

Keywords: 道路工程,软土,统计分析,物理力学指标

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Abstract:

收集了珠江三角洲地区158个原状软土的物理力学指标数据,对指标的变化范围、变异性、指标间的相互关系和各指标的统计分布规律进行研究。研究的结果表明不同地区软土的物理力学性质差异较大;各参数与含水量ω、孔隙比e存在一定的关系;天然密度ρ、干密度ρd、液限lω、塑限ωp、塑性指数Ip、无侧限抗压强度qu和灵敏度St服从正态分布;含水量、孔隙比和粘聚力服从近似正态分布;饱和度Sr、比重Gs、渗透系数Kv、压缩系数av1-2、压缩模量Es1-2和内摩擦角为非正态分布。研究的结果对开展软土工程有一定的意义。

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