Notes
Hoek (1983) stated clearly that “Note that the process used by Hoek and Brown in deriving their empirical failure criterion was one of pure trial and error. Apart from the conceptual starting point provided by Griffith theory, there is no fundamental relationship between the empirical constants included in the criterion and any physical characteristics of the rock”.
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Peng, J., Cai, M., Rong, G. et al. Author’s Reply to Discussion of the Paper “An Empirical Failure Criterion for Intact Rocks” by Peng et al. (2013). Rock Mech Rock Eng 47, 825–834 (2014). https://doi.org/10.1007/s00603-013-0515-3
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DOI: https://doi.org/10.1007/s00603-013-0515-3