Rock Crack Initiation Triggered by Energy Digestion
Lei Yan,
Jian Chang,
Ebelia Manda
et al.
Abstract:The stress intensity factors with the kinds of critical models are usually obtained from the strength test on laboratory specimens to characterize the rock strength and fracture-ability. However, crack initiation phenomenology for rock material has not been comprehensively understood. In this study, energy theory—an essential character of material property changes—is drawn to evaluate rock crack initiation and study the correlation between rock strength and energy digestion. Uniaxial compression test was condu… Show more
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