Rock fracture toughness testing in Mode
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Backers, T ;Stephansson, O ;Rybacki, E
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Article
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2002
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Elsevier Science
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English
β 837 KB
A new testing method called punch-through shear test for measurement of Mode II fracture toughness, K IIC ; of rock is introduced. Results from a finite element modelling (FEM) and a series of laboratory tests on limestone, marble and granite are presented. Core samples with 50 mm diameter are cut t