“2014 – 2024”
Vásquez, A. y Barrera, S. 2023. “Tallest Tailings Dams”, Tailings 2023 International Seminar, Santiago, Chile
Barrera, S., Riveros, C., Soto, V., & Recabarren, C., 2022, “Candelaria TSF-a holistic approach”, Copper2022 Conference, Santiago, Chile.
Barrera, S., 2019 “Resilience in Tailings Management”, Tailings 2019 International Seminar, Santiago, Chile.
Barrera, S. & Engels, J., 2018, “High-density thickening for large production rates: main challenges”, 18th International Seminar on Paste, Perth, Australia.
Barrera, S. & Quelopana, H., 2017, “Lessons Learned About Failures of the Mount Polley and the Fundão Tailings Storage Facilities”, Tailings 2017 International Seminar, Santiago, Chile.
López, A., Martín, J. & Barrera, S., 2017, “Use of Tubular Geoforms Filled With Thickened Tailings to Construct a Dam”, Tailings 2017 International Seminar, Santiago, Chile.
Barrera, S., Caldwell, J. & Cacciuttolo, C., 2015, “Reassessment of Tailings Best Available Management Practices”, Tailings and Mine Waste 2015 Conference, Vancouver, Canada.
Barrera, S., Cacciuttolo, C., & Urquidi, J., 2015, “The 27F Chile Earthquake: A Review of the Performance and Effects on Large TSFs”, Tailings 2015 International Seminar, Santiago, Chile.
Cacciuttolo, C., Barrera, S., Bouso, JL., Astete, A., & Pérez, M, 2015, “Alternative to Filtration Systems to Obtain Tailings to be Disposed at Dry Stack TSFs”, Tailings 2015 International Seminar, Santiago, Chile.
Martín, J., López, A., Barrera, S., & Jara, C., 2015, “Mixed System of Tailings Disposal”, Tailings 2015 International Seminar, Santiago, Chile.
Quelopana, H., & Barrera, S., 2015, “A Definition of Freeboard”, Tailings 2015 International Seminar, Santiago, Chile.
“2011 – 2014”
Cacciuttolo, C., & Scognamillo, C., 2014, “Improving Water Recovery with Different Tailings Management Technologies”, Water Management in Mining WIM 2014 Conference, Viña del Mar, Chile.
Quelopana, H, & Barrera, S, 2014, “Sands/slimes splitting: Methodology to select the optimum sands/slimes cut”, Tailings 2014 International Seminar, Antofagasta, Chile.
Neira, A, & Barrera, S, 2014, “Filtered tailings placement alternatives”, Tailings 2014 International Seminar, Antofagasta, Chile.
Cacciuttolo, C, Barrera, S, Caldwell, J, & Vargas, W, “Filtered dry stacked tailings: Developments and new trends”, Tailings 2014 International Seminar, Antofagasta, Chile.
López, K, & Barrera, S, 2014, “Fines content in sand, an appropriate indicator?”, Tailings 2014 International Seminar, Antofagasta, Chile.
Cacciuttolo, C., Caldwell, J., & Bernard, S., 2014, “Geosynthetic Mining Solutions at Copper Tailings Dams: A Review of State of Practice in Chile”, Geosynthetic Mining Solutions GMS 2014, Vancouver, Canada.
Becerra, M, Cisternas, V, Barrera, S, & McPhail, G, 2013, “A Pilot Tests on Tailings Thickening, Transport, and Deposition: Objective, Experience Obtained, and Design Recommendations”, Tailings 2013 International Seminar, Santiago, Chile.
McPhail, G, Becerra, M, & Barrera, S, 2013, “Discussion on the Influence of Mineralogy on the Rheology of Tailings Slurries”, Tailings 2013 International Seminar, Santiago, Chile.
Barrera, S, 2013, “Sea Water Supply: Impact on Tailings Management”, Tailings 2013 International Seminar, Santiago, Chile.
Barrera, S, & Pinto, M, 2013, “Water Balance: Discussion on Approaches”, Tailings 2013 International Seminar, Santiago, Chile.
Chacón, P. & Barrera, S., 2012, “Transport Pilot Tests on Thickened Tailings to Determine the Effect of Pumping Distance on Tailings Sedimentation”, 15th International Seminar on Paste & Thickened Tailings, Apr, Sun City, South Africa.
McPhail, G, Becerra, M, & Barrera, S., 2012, “Important Considerations in the Testing of High Density Tailings for Beach Profile Prediction”, 15th International Seminar on Paste & Thickened Tailings, Apr, Sun City, South Africa.
Barrera, S., 2012, “Alternativas de Manejo de Relaves para Mejorar la Recuperación de Agua – Diferentes Escenarios”, Presentation, Organized by FLSmidth, Encuentro Técnico en Manejo de Relaves Espesados y Optimización de Recuperación de Agua, Mayo 24/25, Centro de Convenciones Monticello Grand Casino. San Francisco de Mostazal. Chile.
Barrera, S, & Lagas, R, 2012, “Evolution in the Use of Geomembranes in Tailings Dams”, Geoaméricas 2012, 2º Congreso Panamericano sobre Geosintéticos, May 01 – 04, Lima, Perú.
Cacciuttolo, C, & Barrera, S, 2012, “Variation of Tailings Density in Depth – A Model”, Tailings and Mine Waste 2012 Conference, Oct. 16 – 18, Keystone, Colorado.
Ortiz, J, Urquidi, J, Pollak, D & Barrera, S, 2012, “Downstream to Centerline Construction: The Challenge of Change”, Tailings and Mine Waste 2012 Conference, Oct. 16 – 18, Keystone, Colorado.
Holgado, A, & Barrera, S, 2012, “Decreto 248 – Consideraciones sobre Distancia Peligrosa”, 63ª Convención Anual del Instituto de Ingenieros de Minas de Chile, Viña del Mar, Chile.
Barrera, S., Becerra, M., Chacón, P. & Quelopana, H., 2011. “Challenges in the Design of Pilot Tests”. 14th International Seminar on Paste & Thickened Tailings, May, Freemantle, Australia.
Quelopana, H., Chacón, P., Orellana, R., &. Barrera, S., 2011. “Caserones Project: Analysis and Interpretation of Pilot Tests Results”. 14th International Seminar on Paste & Thickened Tailings, May, Freemantle, Australia.
Martínez, R., Barrera, S. & Gómez, P., 2011. “El Método Seudoestático de Estabilidad en Presas: Un Análisis Crítico”. Obras y Proyectos, Rev. de Ingeniería Civil de U Católica de Concepción, Edición 9, Otoño 2011, Chile.
Barrera, S., Valenzuela, L. & Campaña, J., 2011, “Sand Tailings Dams: Design, Construction and Operation”, Tailings and Mine Waste 2011 Conference, Nov. 06 -09, Vancouver, Canada.
“2006 – 2010”
Barrera, S. 2010. “Requerimientos de agua en procesos mineros y metalúrgicos”. Presentación en Taller Agua de Mar: Alternativa de Abastecimiento para Proyectos Mineros. WIM2010. Santiago, Chile.
Barrera, S. & Ortiz, J. 2010. “Water retained in tailings: How to reduce it?”, Water in Mining WIM2010. Santiago, Chile.
Barrera, S, Becerra, M., Orellana, R. & Quelopana, H. 2010. “Challenges & State of the Art for Planning, Designing, and Pilot Testing of Paste Tailings”. 7th International Mineral Processing Seminar. PROCEMIN2010. Dec, Santiago, Chile.
Barrera, S. & Hills, R., 2009. “Cerro Negro: Assessment of Beach Slope and Indetermination of the Operational Limits of Centrifugal Pumps”. 12th International Seminar on Paste & Thickened Tailings, May, Viña del Mar, Chile.
Riveros, C. & Barrera, S. 2009. “Caserones: Option of Tailings Classifying to Improve Water Reclamation”. 12th International Seminar on Paste & Thickened Tailings, May, Viña del Mar, Chile.
Pinto, M. & Barrera, S., 2008, “Water Management Indices in Tailings Impoundments”. WIM2008. I International Congress on the Water Management in the Mining Industry”, July, Santiago, Chile.
Pinto, M. & Barrera, S., 2008, “Tailings Impoundments – Water Balance – Methodology”. WIM2008. I International Congress on the Water Management in the Mining Industry”, July, Santiago, Chile.
Barrera, S. & Pinto, M., 2008, “Tailings Impoundments – Water Balance – Key Variables”. WIM2008. I International Congress on the Water Management in the Mining Industry”, July, Santiago, Chile.
Hills, R., Barrera, S., Riveros, C. and Saldía, N. 2007, “Free Surface Flow of Thickened Tailings with Adverse Rheological Parameters”, International Seminar on Paste and Thickened Tailings, April, Perth, Australia.
Hills, R., Riveros, C., Barrera, S. and Saldía, N. 2007, “Transport of High Clay Content Thickened Tailings: A Case Study”, Hydrotransport 17, The 17th International Conference on the Hydraulic Transport of Solids, May, Cape Town, South Africa.
Barrera, S. and Riveros, C., 2006, “Stability of Tailings Beaches”, Paste 2006 – International Seminar on Paste and Thickened Tailings, April, Limerick, Ireland.
Viveros, K. and Barrera, S., 2006, “Tailings Dams: The Importance of Considering Closure at the Start of the Project”, International Mine Closure, September, Perth, Australia.
“2001 – 2005”
Barrera, S., 2005, “Aspects to be Considered in the Dynamic Stability Analysis”, Paste 2005 – International Seminar on Paste and Thickened Tailings, April, Santiago, Chile.
Scognamillo, C. and Barrera S., 2004, “Manejo de Relaves de Collahuasi y su Impacto en la Recuperación de Agua”, Forum Sustentare 2004, 23 y 24 Junio, Santiago, Chile.
Barrera S., Arredondo, M., Madariaga, P. and Scognamillo, C., 2004, “Tailings Management A Simple Way To Increase Water Reclaim”, Tailings and Mine Waste ‘04 Conference, Fort Collins, Colorado, EEUU.
Pinto, M. and Barrera, S., 2004, “Innovación en Levantamientos Topográficos Aplicados a Depósitos de Relaves”, 55ª Convención Minera, Instituto de Ingenieros de Minas, Viña del Mar.
Barrera, S. and Campaña, J., (2004), “Análisis de Estabilidad de Presas de Relaves – Práctica Chilena”, 5º Congreso Chileno de Ingeniería Geotécnica, Santiago.
Barrera, S. and Valenzuela, L., 2003, “Construction Evaluation of a Sand Dam of Great Height”, Symposium on Major Challenges in Tailings Dams, CIGB-ICOLD, June, Montreal, Canada.
Alarcón, J.C. and Barrera, S., 2003, “Dams of Great Height, a Challenge”, Symposium on Major Challenges in Tailings Dams, CIGB-ICOLD, June, Montreal, Canada.
Valenzuela, L. and Barrera S., 2003, “Seismic Design of Los Quillayes Tailings Dams in Chile”, 12th Panamerican Conference on Soil Mechanics and Geotechnical Engineering, September, Boston, USA.
Pinto, M and Barrera, S., 2002, “Tailings Beach Slope Forecasting”, Tailings and Mine Waste ‘02 Conference, Fort Collins, Colorado, EEUU.
Lizárraga, S. and Barrera, S., 2002, “The Tailings Thickening Method under Chuquicamata Division’s Perspective”, High Density & Paste 2002 Seminar, April, Santiago, Chile.
Valenzuela, L. and Barrera, S., 2002, “Characteristics of Chilean Tailings Deposits”, High Density & Paste 2002 Seminar, Technical visit, April, Santiago, Chile.
Barrera S., Balins, J. and Scognamillo, C. 2002, “Dam Cross Section Optimization Collahuasi Copper Project, Chile”, Proceedings, Tailings Dams, Las Vegas, ASDSO/USCOLD, Mayo, NV. EEUU.
Barrera, S, 2002, “Aspectos Geotécnicos del Diseño de Presas para Depósitos de Relaves”, Seminario de Diseño y Análisis Dinámico de Presas organizado por ITASCA S. A., Octubre, Santiago, Chile.
Lara, J. and Barrera, S., 2002, “Presas de relaves con muros resistentes de arena – Experiencias de Aplicación y Posibilidades de Uso en Países Andinos, Revista Minería Nº298, Julio, Lima Perú.
Lara, J. and Barrera, S., 2002, “Experiencias de Operación y Monitoreo de Depósitos de Relaves con Presas de Arenas de Relaves”, 4º Congreso Nacional de Minería, Colegio del Ingenieros del Perú, Septiembre, Ica, Perú
Barrientos, M, and Barrera, S., 2001, “Modelling a Tailings Impoundment Raising”, Tailings and Mine Waste ‘01 Conference, Fort Collins, Colorado, EEUU.
Verdugo, R.; Andrade, C.; Barrera, S. and Lara, J., 2001, “Stability Analysis of a Waste Rock Dump of Great Height Founded over a Tailings Impoundment in a High Seismicity Area”, SME Annual Meeting, 4th International Symposium on Slope Stability in Surface Mining, February, Denver, Colorado, EEUU.
“1996 – 2000”
Valenzuela, L. and Barrera S., 2000, “Environmental, Operational and Economical Balance in the Design of a Tailings Impoundment”, GeoEng2000 – An International Conference on Geotechnical & Geological Engineering, Nov.‘00, Melbourne, Australia.
Barrera, S. and Riveros, C., 2000, Sand Transport and Placement. Conference on Tailings and Mine Waste’00, Fort Collins, Colorado, USA.
Scognamillo, C. and Barrera, S., 1999, “Tailings Deposits with waste Dams”, Tailings and Mine Waste ‘99 Conference, Fort Collins, Colorado, EEUU.
Valenzuela, L.; Lara, J. and Barrera, S., 1999, “Experiencias en el Diseño Sísmico de Presas de Relaves, Revista Minería Nº257, Febrero, Lima, Perú.
Scognamillo, C. and Barrera S., 1999, “Características Principales de Depósitos de Relave con Muro de Estéril”, XI Conferencia Panamericana sobre Mecánica de los Suelos e Ingeniería Geotécnica (XI CPMSIG), Foz do Iguau, Brasil.
Lara, J. L.; Gómez, P. and Barrera, S., 1999, “Análisis Dinámico Tridimensional de la Presa de Arena de Relaves Quillayes Pelambres-Chile”, XI Conferencia Panamericana sobre Mecánica de los Suelos e Ingeniería Geotécnica (XI CPMSIG), Foz do Iguau, Brasil.
Barrera, S. and Rivera, C., 1999, “Disposición Subacuática de Relaves – Depósito Huascacocha”, XXIV Convención de Ingenieros de Minas del Perú, Arequipa, Perú.
Lara, J. and Barrera, S., “Geotechnical Characterization of Cycloned Sand for the Seismic Design of Tailings Deposits”, Third International Congress on Environmental Geotechnics, 1998, Lisbon, Portugal.
Barrera, S., 1998, “Deposition Densities of Tailings in Chilean Deposits”, Tailings and Mine Waste ‘98, Colorado, USA.
Lara, J. L and Barrera, S. 1998, “Comportamiento Geotécnico de Presas de Arena de Relaves Sujetos a Actividad Sísmica”, VIII Congreso de Mecánica de Suelos, Ingeniería de Cimentaciones y Mecánica de Rocas GEO’ LIMA ’98.
Barrera, S. y Paredes, A., 1997, “El proyecto de la Presa de Relave de San Vicente”, Primer Simposio de Medio Ambiente y Seguridad Minera, TECNOMIN, Lima, Perú.
Valenzuela, L. y Barrera S., 1997, “Large copper tailings dams in Chile”, 2nd International Conference on Mining and Industrial Waste-Joburg ‘97, South Africa.
“1970 – 1995”
Riveros, C. y Barrera, S., 1995, “Análisis Crítico de Permeabilidades en Terreno”, X Congreso Panamericano de Mecánica de Suelos e Ingeniería de Fundaciones, Guadalajara, México.
Valenzuela, L. y Barrera, S., 1995, “Grandes Presas de Relaves: Práctica Actual en Chile”, X Congreso Panamericano de Mecánica de Suelos e Ingeniería de Fundación, Guadalajara, México.
Andrade, C., Jamett, R. y Barrera, S., 1994, “Resistencia al Corte de Relaves bajo Altas Presiones de Confinamiento”, X COBRAMSEF Mineraçao-Disposiçao de Regeitos e Geotecnia Ambiental, Foz de Iguazú, Brasil.
Jamett, R., Andrade, C. y Barrera, S., 1994, “Estabilidad de un Depósito de Relave con Sobrecarga”, X Congreso Panamericano de Mecánica de Suelos e Ingeniería de Fundación, Guadalajara, México.
Tapia, J. y Barrera, S., 1992, “Embalse Los Bronces”, Memorias de la 43a Convención Anual del Instituto de Minas, titulada Minería en Altura, La Serena.
Barrera, S. y Obilinovic, S., 1982, “Análisis Dinámico de la Presa Norte de Talabre”, Primer Congreso Chileno de Ingeniería Geotécnica, SOCHIMSYF, Santiago, Chile, PP.387- 404.
Obilinovic, H. y Barrera S., 1982, “Propiedades de los Suelos de las Presas de Relave de Talabre”, Primer Congreso Chileno de Ingeniería Geotécnica, SOCHIMSYF, Santiago, Chile, PP.369 – 386.
Barrera, S. y Husid, R., 1976 “Respuesta Sísmica de Estructuras de Inercia Variable Deformables sólo por Corte” 2as Jornadas Chilenas de Sismología e Ingeniería Antisísmica, Santiago.
Barrera, S., 1975, “Respuesta Sísmica de Estructuras de Inercia Variable Deformables sólo por Corte”, Memoria para Optar al Título de Ingeniero Civil, Universidad de Chile, Santiago, Chile.
Magnere 1540, oficina 707, Providencia – Chil