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应力梯度作用下非均质岩体材料变形参数的研究

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Keywords: 应力梯度,非均质材料,变形参数,概化模型,等效变形,当量化,stressgradient,heterogeneousmaterials,deformationparameters,generalizationmodel,equivalentdeformation,equivalence

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Abstract:

:?针对节理岩体非均质性特征,利用概化模型、变形等效及当量化处理等方法,研究了梯度应力作用下节理岩体的变形参数变化规律。研究表明:构成岩体的成分不均匀性越显著时,等效弹性模量变化越大,计算得到的最大等效弹性模量当量变化达136%;而当岩体均匀性较好时,等效弹模当量变化小于110%。

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