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Keywords: exponent
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-034
..., as extended to rock mass strength. The parameters mi and s c are not material properties if the exponent is fixed at 0.5. Published values of mi can be misleading as mi does not appear to be related to rock type. The Hoek-Brown criterion can be generalised by allowing the exponent to vary. This change...

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