TECHNICAL AND SOCIAL PROGRAM

THURSDAY, JUNE 06

Pre-Congress Activities

Virtual Technical Course 1 | Free Access for Registered Participants to The Conference

09:00-13:00

Tailings Geotechnics
Jorge Macedo, Georgia Institute of Technology, USA; Jonathan Bray, University of California Berkeley, USA; Scott Olson, University of Illinois at Urbana Champaign, USA; Christopher Bareither, Colorado State University, USA

MONDAY, JUNE 10

Pre-Congress Activities

Virtual Technical Course 2 | Free Access for Registered Participants to The Conference

10:00-12:00

Smart Solutions: Artificial Intelligence for Tailings Characterization
Tatiana Barreto dos Santos and Fernanda Yamaguchi Matarazzo, Universidade Federal de Ouro Preto, Brazil

TUESDAY, JUNE 11

Pre-Congress Activities

Virtual Technical Course 3 | Free Access for Registered Participants to The Conference

14:00-17:00

Use of CPTu and Laboratory Testing in the Design of Tailings Storage Facilities
Gonzalo Suazo and Jaime Musso, Universidad Técnica Federico Santa Maria, Chile

WEDNESDAY, JUNE 12

BALLROOM A

BALLROOM B

BALLROOM C

Session 1: Geotechnics and Dam Safety 1
Moderator: Jorge Macedo, Associate Professor, Frederick Olmsted Professorship, Georgia Tech, USA

Session 2: Thickened and Paste Tailings
Moderator: Harold Bolaños, Dam Engineer, Minera Los Pelambres, Antofagasta Minerals, Chile

Session 3: Geotechnics and Dam Safety 2
Moderator: Emilio López, Senior Geotechnical Engineer, Nava Consulting, Chile

08:30

Day 1 Program Update

Cyclic Response of Filtered Iron Ore Tailings Determined from Cyclic Simple Shear Tests

Roberto Santos, Federal University of Viçosa, Brazil; João Silva and Bruno Delgado, Vale, Brazil; Michéle Casagrande, University of Brasilia, Brazil

08:40

Numerical Simulation of the Deformation History of a Large Rockfill Tailings Dam

Carlo Bermudez, Juan Valdivia, Rolando Rojas and Carlos Huaman, WSP, Peru

Slurry Fluidity, an Additional Design Parameter for High Density Thickeners

David Minson, MinTecProcess C&M, Canada

The Vane Shear Test in Mine Tailings

Iván Contreras, Jason Harvey and Dafar Obeidat, Barr Engineering Company, USA

09:00

Main Considerations for Planning a Large-Scale Triaxial Test on Coarse Granular Materials

Alan Figueroa and César Ahumada, Stantec, Chile; Danae Momberg, IDIEM, Chile

An Innovation in Paste Thickening

Fred Schoenbrunn, Antonio Accioly and Craig Gilbert, FLSmidth, USA; Francisco Reyes, FLSmidth, Chile

Methodology to Incorporate Climate Change and Snow Line Variations for Dam Design Flows Estimation

Pablo Chong, Felipe Orellana, HIDRICA Consultores, Chile, Carlos Garrido, SMI Ingenieros, Chile; and Jimmy Jorquera, Ministerio de Obras Públicas, Chile

09:20

The Behaviour of a Tailing Storage Facility (TSF) in 2D and 3D Stability Analyses

André Lima, TPF Engenharia, Brazil; Alfredo Nunes, TPF Consultores de Engenharia e Arquitetura, Portugal; Raphael Rodrigues and Virginie Pinto, Vale, Brazil

Thickened Tailings Deposits in Chile, a Perspective from Operational Control

José Farfán and Bruno Espinace, GA Consultores, Chile

Strategy to Define a Geotechnical Instrumentation Plan to Monitor Tailings Storage Facilities

Carlos Catripán, Roberto Gesche, Universidad de Chile; Karina Monsalve, Gullibert Novoa, SERNAGEOMIN, Chile; and Raúl Fuentes, RWTH Aachen University, Alemania

09:40

Dam Experimental Excavation Back-Analysis: Safety Assessment in Iron Ore Tailings Dam

Nilthson Noreña, Thatyane Gonçalves, Keitiane Coimbra and Frank Pereira, Vale, Brazil

Enhancing the Performance of a Tailings Thickener Following the Upgrade of the Feed System

Vahid Hassanzadeh and Brandt Henriksson, Metso, Australia; Ochirbal Bolookhuu, Freeport McMoRan, USA

Influence of Rapid Drawdown on the Safety Analysis of Earth Dams for Tailings Containment

Darym Campos, Denis Costa, Francisco Rodrigues, Progen, Brazil; Thiago Morandini, Federal Center for Technological Education of Minas Gerais (CEFET), Brazil; Fernanda Sol and Paulo Gomide, Vale, Brazil

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BALLROOM A

BALLROOM B

BALLROOM C

Session 4: Filtered and Dewatering Tailings 1
Moderator: Christian Ihle, Innovation Manager, Shimin Ingeniería, Chile

Session 5: Dam Break Analysis
Moderator: Katherine Ascencio, Tailings Superintendent, Compañía Minera del Pacífico, CMP, Chile

Session 6: Innovations and Operational Experiences 1
Moderator: Luis Paredes, Regional Principal Specialist in Geotechnical & Tailings, Ausenco, Chile

11:00

Guidelines for Stacking Dewatered Tailings

Christopher Olsen, FLSmidth, USA

Good Practices for the Elaboration of Hypothetical Dam Break Studies (HDBS) in Brazil

Caique Costa, Fernando Aguilar, Mônica Almeida, Vicente Mello and Rui Feijão Junior, AECOM, Brazil

Deep Seabed Semi Consolidated Tailings Deposition (DSP-RSC)
Juan Rayo and Waldo Aracena, CIMS-JRI, Chile

11:20

Tailings Disposal Using Confinement and Dewatering Technique with Geotextile Tubes

Eduardo Guanaes, Lizeth Ardila and Giselle Vega, Huesker, Brazil

A Probabilistic Methodology for Dam Break Analysis of Tailings Dams and Its Comparison to Current Methods – Validation

Francisco Moyano, Federico Giurich and Ignacio Ezama, SRK Consulting, Argentina

Near Closure Tailings Management Challenges: Sossego Mine, Brazil

Juliano Ferreira, Henrique Guerzoni, João da Costa, Felipe Barbosa, Carlos Lima, Gustavo Belotto and José Wanderley, Vale, Brazil

11:40

Installation and Commissioning of the Filter Press GHT5000F Domino: Data, Optimisations and Lessons Learned

Stefano Mantovani, Diemme Filtration, Italy; Idemilson Fritzke, Aqseptence Group, Brazil

Influence of the Rheology on the Runout in Failure of Tailings Dams with Complex Terrain
Bastián Valdivia and Ignacio Fuenzalida, Universidad de Talca, Chile

Collaborating with Stakeholders to Transform Tailings into Valuable Resources for Other Industries

Stuart Sandler, Circular Mine, USA; Leonardo Brescia, BPlus, Chile; Enoc Quinoñes, Grupo Brauth, Chile; and Michael Ingwersen, Circular Mine, Australia

12:00

CAPEX and OPEX Depending on Tailing Properties: Two Case Studies

Jurgen Hahn, BOKELA, Germany

Hydrograph Approximation Analysis for Tailings Dam Failures through 2D Modeling

Juana María Canavessi, Francisco Moyano and Ignacio Ezama, SRK Consulting, Argentina

A Benchmark on In-Pit Tailings Disposal

Alix Becerra, Rodrigo Araya, Claudio Román, Sebastián Cisternas and Jimena Cofré, Ausenco, Chile

12:20

Proposal for Guidelines on Tailings Pile Disposal: Detailing the Hypothetical Rupture Studies

Elaine Soares, Waldemar Felitti, Fernando Aguilar, Vicente Mello, Alex Castro and Luiz Vilas Bôas, AECOM, Brazil

Influence of Dam Materiality on the Response to Overtopping-Triggered Failures
Misael Carrillo, Jose Farfán and Bruno Espinace, GA Consultores, Chile

Hydraulic Dewatered Stacking: Delivering Desaturated Tailings Management Without the Capital Cost of Filtration
Phil Newman and Auel Kulmagambetova, Anglo American, United Kingdom; Andrea López, Anglo American, Chile; Mark Bruton, WSP, United Kingdom

Pre-Congress Activities

Inaugural Ceremony

18:10-19:00

Welcome Words

Mimy Mackenzie, Conference Manager, Gecamin, Chile
Hugo Quelopana, Tailings 2024 Program Director; Engineering Manager, Gestiona Consultores, Chile
Gonzalo Suazo, Tailings 2024 Co-Organizer; Assistant Professor of the Department of Civil Works, Universidad Técnica Federico Santa María, Chile
Jorge Macedo, Tailings 2024 Co-Organizer; Frederick Olmsted Early Career Professor on Geosystems Engineering, Georgia Tech, TAILENG, USA
Lucas Deleon, Tailings 2024 Co-Organizer; Professor, Universidade Federal de Ouro Preto, Brazil
Paulo Pacheco, Ambassador of Brazil in Chile, Embassy of Brazil

19:00-19:30

Opening Talk - Tailings Management: Collaboration, Achievements and Challenges
Geraldo Paes, Corporate Geotechnical Director, Vale, Brazil

THURSDAY, JUNE 13

BALLROOM A

BALLROOM B

BALLROOM C

Session 7: Technologies and Instrumentation for Monitoring and Surveillance 1
Moderator: Cristóbal Binvignat, General Manager, DLS-Binar, Chile

Session 8: Rheological and Chemical Aspects
Moderator: Jacques Wiertz, Associate Professor, Universidad de Chile

Session 9: Geotechnics and Dam Safety 3
Moderator: José Tomás Errázuriz, Project Specialist Engineer, División El Teniente, Codelco, Chile

16:10

Automated Geoelectrical Monitoring to Assess Structural Integrity of TSF in Real-Time: Case Studies

Greta Tresoldi, LSI LASTEM, Italy; Azadeh Hojat, Shahid Bahonar University of Kerman, Iran; Luigi Zanzi, Politecnico di Milano, Italy

Evaluation of the Interference of Tailings Disposal in the Periquito and Onça Pits on the Water Quality of Drainage Wells – Itabira Complex, Mg.

Thiago Manzini, Vale, Brazil; Thiago Silva and Jose Neto, Watergeo Solutions, Brazil

Day 2 Program Update

16:30

Assumptions and Methodology for Preparing Conceptual Detection Models for Doppler Radars

Eduardo Jardim, Lucely Gonçalves and Lucas Esteves, Vale, Brazil

Characterization Differences Between Iron Tailings from Mines of the Iron Quadrangle and the Carajás Complex

Danilo Eloi, Pedro Louzada and Rodney Silva, Vale, Brazil

Enhancing Tailings Liquefaction Stability Using Fibers

Carlos Suárez, Hugo Blanco and Jesús Laine, ArcelorMittal Global R&D, Spain; Michael Rees, ArcelorMittal Mining, United Kingdom

16:50

Unconventional Seismic Signatures in Tailings Dams

Matheus Cunha, Tainã Oliveira, Felipe Jesus, Daniel Coelho and Lorena Oliveira, Tetra Tech South America, Brazil; Milena Matos, Alonso Nolasco, Carlos Gomes and Luciano Assis, Vale, Brazil

Sedimentation Rate in Cyclone Sands

Jorge Casanova and Camila Casal, SHIMIN Ingeniería, Chile

Conformance Analysis of GISTM Requirement 7.2: A Case Study on a Chilean Tailings Dam
Javier Ubilla, Gail Riddell and Emilio López, Nava Consulting, Chile

17:10

Main Challenges in Implementing a Microseismic Monitoring in Mining Dams: A Case Study

Luiz Santos, Beatriz Friguetto and Frederico Juliano, Vale, Bazil

Effect of Degree of Turbidity and Particle Size on Inclined Element Settler Modelling
Cristian Reyes, Universidad de Chile; Cristóbal Arratia, KTH Royal Institute of Technology and Stockholm University, Sweden; and Christian Ihle, SHIMIN Ingeniería, Chile

New Approach to Seismic Coefficient Assessment for Tailings Facility Analysis: A Case Study
Luis Ríos and Julio Tejo, WSP, Chile; Marcelo Martínez, WSP, Argentina; Alan Hull, WSP, USA

17:30

Piezocone Test Monitoring on an Upstream Dam

Isabelle Silva, Samuel Tarazona and Frank Pereira, Vale, Brazil

*AUTHOR UNABLE TO PRESENT. PAPER PUBLISHED IN PROCEEDINGS

The Importance of Early-Stage Geochemical Characterization for Mine Waste and Tailings Management
Claudina González, Ignacio Ezama, Fernando Pantuzzo and Thiago Toussaint, SRK Consulting, Argentina

A Case Study – Seismic Liquefaction Potential Assessment by Artificial Neural Networks (ANN)
Marjan Oboudi and Rafael Dávila, Hatch, Canada

Congress Activities

Plenary Session 1
Moderator: Luis Valenzuela, Geotechnical Consultant, Chile

Plenary Session Sponsor

11:00-11:30

Freeport-McMoRan’s Implementation of the Global Industry Standard on Tailings Management
Tamara Johndrow, Director Tailings & Water, Freeport-McMoRan, USA

11:30-12:00

Governance and Management Implications for New Environmental Regulation in Tailings Design and Operation
Gonzalo Sotomayor, Head of Civil, Tailings and Closure Specialties, Arcadis Chile; and Jorge Avila, Compliance Officer Chile Peru, Arcadis, Chile

BALLROOM A & B

Plenary Session 2
Moderator: Gonzalo Suazo, Assistant Professor, Universidad Técnica Federico Santa María, Chile

12:20-12:50

Governance Foundations for Tailings Management: The Experience and Results of Las Bambas
Edgar Quiroz, Tailings and Water Manager, Minera Las Bambas, MMG, Peru

12:50-13:20

Relationships between incident, failure, risk tolerance and ALARP
Silvana Dal Pozzo, Tailings Principal, BHP, Chile and Jerónimo Covacevich, Global Practice Lead Tailings, BHP, Chile

BALLROOM A

BALLROOM B

BALLROOM C

Session 10: Filtered and Dewatering Tailings 2
Moderator: Guido Huillca, Senior Mechanical-Piping Engineer, WSP, Peru

Session 11: Governance 1
Moderator: Bruno Espinace, General Manager, Geotecnia Ambiental, Chile

Session 12: Innovations and Operational Experiences 2
Moderator: Rafael Dávila, Global Director Tailings & Mine Waste, Hatch, Canada

08:30

Day 2 Program Update

Tailings Management System (TMS): Can Only Be Effective with Wider Collaboration

Anjan Kundu, GHD, Australia

Applicability of Digital Twins in Tailings Storage Facilities

Álvaro Veizaga and Samuel Cuellar, Arcadis, Chile

08:40

A Characterization of Flotation Iron Ore Filtered Tailings

Matheus Muniz, Rodolfo Neves and Andréa Portes, Vale, Brazil; Vinicius Assis, Progen, Brazil

Hydraulic Safety for Mining Dams: Good Practices
Fernando Aguilar, Luane Monteiro, Manuelle Pereira, Vicente Mello, Caique Costa and Rafael Boaventura AECOM, Brazil

PSInSAR Based Deformation Monitoring of Tailings Dam: The Case Study of the Sebinkarahisar, Gümüshane, Türkiye

Mahmut Cavur, Kadir Has University, Turkey; Sebnem Duzgun, Colorado School of Mines, USA

*AUTHOR UNABLE TO PRESENT. PAPER PUBLISHED IN PROCEEDINGS

09:00

Hydrocyclone Classification for Ceramic Vacuum Disc Filtration of Discrete Tailings Streams
Cameron Stockman, Victoria Cranston and Roberto Fortunato, CEC Mining Systems, Canada

Quality Management Challenges in Tailings Dams: GISTM Analysis and Chilean Insights
Luis González, WSP, Chile; and José Mello, NeoGeo Consult, Chile

Validation of Innovative Digital Management Tools for Tailings Storage Facilities at OceanaGolds Waihi Operation
Pieter Neethling, Seequent, New Zealand; Ignacio Torresi and Marina Trevizolli and Julia Oliveira Seequent, Chile; Andre Alipate, OceanaGold, New Zealand

09:20

Experimental Landfill of Filtered Iron Ore Flotation Tailings at Minas-Rio System
Daniela Amorim, Laís Silva, Felipe Rezende, Thales Nicoli, Anglo American, Brazil; Uilian Albino, Fernando Saliba, TEC3 Geotecnia e Recursos Hídricos, Brazil; and Paulo Franca, F&Z Consultoria e Projetos, Brazil

Relevance of Information Management for Tailings Dam Governance
Gabriela Drumond, Gustavo Oliveira and Manoela Araújo, Vale, Brazil

Challenges to Use Old Open Pit as Tailing Storage Facility

Jhury Andrade and Harry Silva, Minsur, Peru

09:40

Saving Water & Tailing Dam Space for Mines - Centrifuge Technology to Recover Process Water from Tailings

Eric Gentis, Stephen Benyo, Guillermo Flores and Dustin Miller, Flottweg, USA; Jose Luis Conteras and Gabriel Rodrigues, Flottweg Mexico; Robert Klug, Flottweg, Germany

Analysis of GISTM Requirements as Failure Risk Controls for Tailings Storage Facilities
Danielle Menezes, Tatiana Santos and Hernani Mota de Lima, Federal University of Ouro Preto, Brazil

From Point Solutions to Predictive Power: How Machine Learning Can Revolutionize Tailings Management
Ryan Hunter, Zaman Forootan and Daniel Molina, Hatch, Canada

FRIDAY, JUNE 14

BALLROOM A

BALLROOM B

BALLROOM C

Session 13: Technologies and Instrumentation for Monitoring and Surveillance 2
Moderator: Camilo Morales, Senior Geotechnics and Tailings Consultant, SRK Consulting, Chile

Session 14: Tailings Closure Management
Moderator: Carlos Salinas, General Manager, Paterson & Cooke, Chile

Session 15: Geotechnics and Dam Safety 4
Moderator: Paulo Oróstegui, Gerente General Corporativo, OITEC, Chile