Affiliation:
1. China Three Gorges University
Abstract
According to the characteristics that permeability and elastic modulus vary with stress, the variation of elastic modulus of sandstone change with confining pressure was researched through the triaxial test. And combined with empirical formula proposed by Louis (1967), mathematical model of coupling of seepage and stress fields is established. This study shows that: the groundwater has a relatively great effect on rock stress and deformation and is adverse to the slope stability. The elastic modulus that chang with confining pressure influences a lot on rock deformation, meanwhile, the variation of rock stress changes permeability, therefore groundwater is the main influencing factors.
Publisher
Trans Tech Publications, Ltd.
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