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Keywords: notch crack
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Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-598
... cracks of the CCNBD specimens were oriented at notch crack inclination angles, ß, of 0&#176:, 30&#176:, 45&#176:, and 70&#176: as part of the diametral testing procedure, whilst the SCB specimens were cut at the same ßs prior to conducting the three-point bending tests. The experimental...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-628
... Brazilian Disc (CCNBD) rock specimens. Static diametrical compression resulted in the opening of the notch cracks at the centre of the specimens (Mode I), up to a 30? crack inclination angle (ß), whereas crack closure (Mode II) was observed for ß > 33?, with closure becoming more pronounced at the higher...

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