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工业建筑  2008 

结构性超固结土的统一硬化模型

DOI: 10.13204/j.gyjz200808004

Keywords: 结构性,超固结土,统一硬化模型,统一硬化参数

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Abstract:

统一硬化超固结土模型是在下加载面和剑桥模型理论框架下,提出的能够描述超固结土的剪缩、剪胀、硬化和软化特性的简单、实用的模型。它通过将与土的结构性有关的参数引入到超固结土模型中,来建立结构性超固结土模型。与剑桥模型相比,它只增加了2个材料参数,即伏斯列夫面的斜率Mh和结构性参数α。采用新模型对结构性超固结土的应力-应变关系进行预测的结果表明所建立的结构性超固结土模型基本能够描述结构性超固结土的特性。

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