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轻质混合土单向压缩固结变形特性分析

, PP. 38-42

Keywords: 道路工程,聚苯乙烯轻质混合土,单向压缩固结试验,压缩屈服应力,水泥掺入比,密度

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Abstract:

?通过无侧限抗压强度试验和单向压缩固结试验,对轻质混合土的单向压缩固结特性进行了分析,并采用简化公式对单向压缩固结变形随时间的变化关系进行拟合计算。结果表明:轻质混合土的单向压缩屈服应力与抗压强度为线性关系;在施加荷载没有超过压缩屈服应力的情况下,密度、水泥掺入比不同时,单向压缩固结变形曲线随时间变化的趋势相似,且密度、水泥掺入比对固结变形的影响小于荷载的影响。

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