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Rock fracture-toughness determination by the Brazilian test
Abstract Fracture mechanics analyses on the diametral crack behaviour in a disc with diametral compression were carried out. Based on these analyses, it is proposed that a simple conventional Brazilian test, which is normally used for the determination of rock tensile strength, be applied to measure rock fracture toughness. The fracture toughness of six types of rocks are determined by the proposed method. The results compared favourably with those determined by the Chevron bending specimen method, one of the recently proposed international standard methods by the ISRM.
Rock fracture-toughness determination by the Brazilian test
Abstract Fracture mechanics analyses on the diametral crack behaviour in a disc with diametral compression were carried out. Based on these analyses, it is proposed that a simple conventional Brazilian test, which is normally used for the determination of rock tensile strength, be applied to measure rock fracture toughness. The fracture toughness of six types of rocks are determined by the proposed method. The results compared favourably with those determined by the Chevron bending specimen method, one of the recently proposed international standard methods by the ISRM.
Rock fracture-toughness determination by the Brazilian test
Guo, H. (author) / Aziz, N.I. (author) / Schmidt, L.C. (author)
Engineering Geology ; 33 ; 177-188
1992-09-01
12 pages
Article (Journal)
Electronic Resource
English
Rock fracture-toughness determination by the Brazilian test
| British Library Online Contents | 1993
Rock fracture-toughness determination by the Brazilian test
| Online Contents | 1994
Rock fracture-toughness determination by the Brazilian test, by H. Guo, N.I. Aziz, L.C. Schmidt
| British Library Online Contents | 1994