Abstract:
A large number of experiments, research on the effects of regular cracks to macro-mechanical properties in rock like materials, such as high strength gypsum and white cement, under uniaxial compression are conducted. The experimental relationships of the macro-equivalent strength
σe, elastic modulus
Ee and passion's ratio
μe versus the inclined angle of cracks
α are obtained. The specificity curve of
σe-α, also depending on cracks density
h, for multi-crack body is given by the analysis of experimental and theoretical results. The data and conclusion will be useful for mining industry and some other underground engineering.
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