MINERÍA la mejor puerta de acceso al sector minero EDICIÓN 576 / SEPTIEMBRE 2025 124 Tabla 5. Resumen de Recomendación de Sostenimiento por Tipo de Labor Table 5. Summary of Ground Support Recommendations by Work Type Condiciones Recomendación de Fortificación By-pass/cruzado de transporte; zonas cercanas a la falla Shotcrete 50 mm con fibra + malla tejida + pernos de barra helicoidal sistemáticos, malla cuadrada (1m x 1m), traslape de 30 cm de gradiente a gradiente + cables (4m de largo, espaciados 1.5m x 1.5m en intersecciones) + shotcrete 10 [mm] sin fibra Calles de producción, zona mineral Shotcrete 50 mm con fibra + malla tejida + pernos de barra helicoidal sistemáticos malla cuadrada (1,2m x 1,2m) traslape de 30 cm de gradiente a gradiente + shotcrete 10 [mm] sin fibra 2018. Experiments and simulation of gravity flow in block caving through FlowSim. In Caving 2018: Proceedings of the Fourth International Symposium on Block and Sublevel Caving, pp. 312-322. Carter, T; Castro, L. 2017. Guía para la evaluación de la estabilidad de los pilares corona. Dirección general de asuntos ambientales mineros, República de Perú, Ministerio de Energía y Minas. Carter, T. G. 2014. Guidelines for use of the scaled span method for surface pilar corona stability assessment. Ontario Ministry of Northern Development and Mines, Ontario, 1-34. Flores, G. 2004. Rock mass response to the transition from open pit to underground cave mining. PhD Thesis. University of Queensland. Hoek E., Carranza-Torres C. & Corkum B. 2002. “HoekBrown failure criterion – 2002 Edition”. Proceedings of the 5th North American Rock Mechanics Symposium and 17th Tunneling Association of Canada Conference. Kvapil, R. 1982. The mechanics and design of sublevel caving systems. Underground mining methods handbook, p. 880-897. Nicholas. 1981. Method selection – A numerical approach. Design and operation of caving and sublevel stoping mines, pp. 39-53. USACH. 2023. Informe técnico: Determinación del tensor de esfuerzos #1 y #2 mediante emisión acústica y análisis tasa de deformación. Valencia, M. 2014. Desarrollo e implementación de FlowSim para su aplicación en minería de Block/Panel Caving. Memoria de Título, Universidad de Chile. Wattimena, R. 2003. Designing undercut and production level drifts of block caving mines. PhD thesis, University of Queensland. method, especially Jonhy Orihuela, Gorki Román, Hernán Pantaleón, Jesús Ascarza, Gustavo Cruzado, and Jorge Poma. Additionally, we would like to express our gratitude to the BCTEC Team, specifically Pablo Álvarez, Alejandro Espinosa, Brandon Flores, Rodrigo Lazo, and Marcelo Ávila, for their collaboration and support. References Barton, N. 1988. Rock mass classification and tunnel reinforcement selection using the Q-system. In Rock classification systems for engineering purposes. ASTM International. Castro, R 2006, Study of the Mechanisms of Gravity Flow for Block Caving, PhD thesis, The University of Queensland, Brisbane. Castro, R., Arancibia, L., Guzman, D., Henriquez, JP., 2018. Experiments and simulation of gravity flow in block caving through FlowSim. In Caving 2018: Proceedings of the Fourth International Symposium on Block and Sublevel Caving, pp. 312-322. Carter, T; Castro, L, 2017. Guía para la evaluación de la estabilidad de los pilares corona (Guide for the Stability Assessment of Crown Pillars). Dirección General de Asuntos Ambientales Mineros, Republic of Peru, Ministry of Energy and Mines. Carter, T. G., 2014. Guidelines for use of the scaled span method for surface pilar corona stability assessment. Ontario Ministry of Northern Development and Mines, Ontario, 1-34. Flores, G., 2004. Rock mass response to the transition from open pit to underground cave mining. PhD Thesis. University of Queensland. Hoek E., Carranza-Torres C. & Corkum B. 2002. “HoekBrown failure criterion – 2002 Edition”. Proceedings of the 5th North American Rock Mechanics Symposium and 17th Tunneling Association of Canada Conference. Canada. Kvapil, R., 1982. The mechanics and design of sublevel caving systems. Underground mining methods handbook, p. 880-897. Nicholas, 1981. Method selection – A numerical approach. Design and operation of caving and sublevel stoping mines, pp. 39-53. USACH, 2023. Informe técnico: Determinación del tensor de esfuerzos #1 y #2 mediante emisión acústica y análisis tasa de deformación (Technical Report: Determination of Stress Tensors #1 and #2 Using Acoustic Emission and Strain Rate Analysis). Valencia, M. 2014. Desarrollo e implementación de FlowSim para su aplicación en minería de Block/ Panel Caving (Development and Implementation of FlowSim for Application in Block/Panel Caving Mining). Bachelor Thesis, Universidad de Chile. Wattimena, R., 2003. Designing undercut and production level drifts of block caving mines. PhD thesis, University of Queensland.
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