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Stress conditions for fracture of rock around underground openings
Tension fracture took place where 50% of stress calculated by theory of elasticity reached tensile strength, while compression fracture took place where about 0.95 times theoretical stress reached compressive strength; calculation of stress by theory of elasticity affords effective method to predict possible fracture of rock.
Stress conditions for fracture of rock around underground openings
Tension fracture took place where 50% of stress calculated by theory of elasticity reached tensile strength, while compression fracture took place where about 0.95 times theoretical stress reached compressive strength; calculation of stress by theory of elasticity affords effective method to predict possible fracture of rock.
Stress conditions for fracture of rock around underground openings
Min Met Inst Japan -- J
Hiramatsu, Y. (author) / Oka, Y. (author)
1962
6 pages
Article (Journal)
Japanese
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