Comparer des méthodes

	Classification RMR (Rock Mass Rating)	Critère de Rupture de Hoek-Brown
Domaine	Génie minier	Génie minier
Famille	Process / pipeline	Process / pipeline
Année d'origine	1973	1980
Auteur d'origine	Zbigniew T. Bieniawski	Evert Hoek and E. T. Brown
Type	Empirical classification for geotechnical engineering	Empirical criterion for rock mass strength prediction
Source fondatrice	Bieniawski, Z. T. (1989). Engineering rock mass classifications. John Wiley & Sons. ISBN: 978-0-471-60437-4	Hoek, E., & Brown, E. T. (2002). The Hoek-Brown failure criterion and GSI: 2018 update. Journal of Rock Mechanics and Geotechnical Engineering, 10(2), 445-463.
Alias	RMR, Bieniawski Classification, RMR89	Generalized Hoek-Brown Criterion, HB Criterion
Apparentées	3	3
Résumé	The Rock Mass Rating (RMR) system, developed by Zbigniew Bieniawski starting in 1973, is an empirical classification that characterizes rock mass quality and estimates mining and civil engineering behavior. RMR combines five measurable geotechnical parameters into a single index ranging from 0 to 100, where higher values indicate stronger, more stable rock masses. It is the most widely used rock classification system worldwide for underground mining design.	The Hoek-Brown Criterion, developed by Evert Hoek and E. T. Brown starting in 1980, is an empirical failure criterion that predicts the shear strength of rock masses as a function of confining pressure. It accounts for rock quality (via the Geological Strength Index, GSI) and thus bridges laboratory rock mechanics and field behavior. The criterion is widely used in mining for slope stability, pillar design, and stress analysis.