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| Hoek-Brown 파괴 기준× | Q-시스템× | |
|---|---|---|
| 분야 | 광산공학 | 광산공학 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | 1980 | 1974 |
| 창시자≠ | Evert Hoek and E. T. Brown | Nick Barton (Norwegian Geotechnical Institute) |
| 유형≠ | Empirical criterion for rock mass strength prediction | Empirical index for tunnel support and stability prediction |
| 원전≠ | 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. link ↗ | Barton, N., Lien, R., & Lunde, J. (1974). Engineering classification of rock masses for the design of tunnel support. Rock Mechanics, 6(4), 189-236. DOI ↗ |
| 별칭≠ | Generalized Hoek-Brown Criterion, HB Criterion | Q Index, Norwegian Geotechnical Institute Classification, Barton System |
| 관련 | 3 | 3 |
| 요약≠ | 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. | The Q-System (NGI Index), introduced by Nick Barton and colleagues at the Norwegian Geotechnical Institute in 1974, is an alternative rock mass classification to RMR. It combines six parameters into a dimensionless index Q ranging from 0.001 to 1000, where higher Q values indicate better rock quality. The Q-System is particularly valued for tunnel and underground excavation design due to its explicit consideration of joint roughness and groundwater effects. |
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