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| Ventilasi Tambang× | Kriteria Keruntuhan Hoek-Brown× | |
|---|---|---|
| Bidang | Teknik Pertambangan | Teknik Pertambangan |
| Keluarga | Process / pipeline | Process / pipeline |
| Tahun asal≠ | 1880 | 1980 |
| Pencetus≠ | Mining Engineering Practice | Evert Hoek and E. T. Brown |
| Tipe≠ | System design for safe air quality and worker cooling in underground mines | Empirical criterion for rock mass strength prediction |
| Sumber perintis≠ | Hartman, H. L., Mutmansky, J. M., Ramani, R. V., & Wang, Y. J. (2012). Mine ventilation and ambient air quality. Society for Mining, Metallurgy & Exploration, Inc. link ↗ | 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 ↗ |
| Alias≠ | Underground Mine Ventilation, Air Flow Design, Mine Haulage Ventilation | Generalized Hoek-Brown Criterion, HB Criterion |
| Terkait | 3 | 3 |
| Ringkasan≠ | Mine ventilation is the design and operation of systems that deliver fresh air to underground mining areas and remove contaminated air, heat, and hazardous gases. It is critical for worker safety and productivity, maintaining breathable air (sufficient oxygen, low dust and gas concentrations) and acceptable temperatures. Proper ventilation design requires calculating heat loads from mining operations, determining required air volumes, and designing shaft/drift geometry to deliver adequate flow. | 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. |
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