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	Model granicy opłacalności Lane'a	Wentylacja kopalń	Optymalizacja układu komór wydobywczych
Dziedzina	Inżynieria górnicza	Inżynieria górnicza	Inżynieria górnicza
Rodzina	Process / pipeline	Process / pipeline	Process / pipeline
Rok powstania	1988	1880	1960
Twórca	K. F. Lane	Mining Engineering Practice	Mining Engineering Practice
Typ	Economic optimization framework for ore classification	System design for safe air quality and worker cooling in underground mines	Optimization framework for underground mine excavation design
Źródło pierwotne	Lane, K. F. (1988). The economic definition of ore: cutoff grades in theory and practice. Mining Journal Books, London.	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.	Brady, B. H. G., & Brown, E. T. (2004). Rock mechanics for underground mining. Springer Science+Business Media.
Inne nazwy	Lane Model, Cut-off Grade Optimization, Lane's Optimization Model	Underground Mine Ventilation, Air Flow Design, Mine Haulage Ventilation	Stope Design, Underground Mine Layout, Panel Design
Pokrewne	3	3	3
Podsumowanie	Lane's Cut-off Grade Model, developed by Kenneth F. Lane and formalized in his 1988 book, provides a rigorous economic framework for determining the minimum grade at which ore should be mined and processed. It accounts for variable mining costs, metallurgical recovery, and commodity prices to optimize profit per unit processed. The model is foundational in mining economics and underpins daily operational decisions at thousands of mines worldwide.	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.	Stope layout optimization is the process of designing the size, shape, and spatial arrangement of underground mine excavations (stopes) to maximize ore recovery while maintaining safety and economic viability. It balances the desire for large extraction volumes against rock mechanics constraints and support costs. The layout determines mining productivity, capital investment in support systems, and long-term mine life.