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状态参量与砂土剪胀性判别方法

Keywords: 砂土,剪胀性,状态参量,相变线,剪胀比

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Abstract:

论述了砂土剪胀性特点和状态参数概念.通过对现有试验结果的对比分析,建立了相变线的概念,提出了相变孔隙比和相变应力比的定义和计算公式.提出了状态参量的计算公式和依据状态参量判别砂土剪胀(缩)的具体方法,并建立了砂土的剪胀比计算公式.为建立砂土本构模型提供依据.

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