Geomechanics of Cave Mining Hybrid Seminar

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Date/Time
Date(s) - 14 Jun 2021 - 17 Jun 2021

Location
The University of Western Australia

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2021 Caving Community of Practice – Unconference
8 am – 12 noon (AWST), 18 June 2021 | Online participation only via Zoom

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Seminar Facilitator:

Professor Yves Potvin
Professor of Mining Geomechanics, Australian Centre for GeomechanicsYves joined the Australian Centre for Geomechanics at The University of Western Australia in 1998 and was Centre Director, 2000 – 2019. Professor Potvin has published more than 100 articles and is the editor/co-editor of 14 conference proceedings and books. He has over 30 years of experience in rock mechanics and mine design and has previously held managerial positions at Mount Isa Mines, the Noranda Technology Centre and worked as a mining engineer at Noranda Mines, Gaspe Division. Yves undertakes numerous collaborative industry-focussed research projects and is presently involved with the ACG’s Ground Support Systems Optimisation Project, and the Stope Reconciliation and Optimisation Project. He currently participates in several geotechnical review boards.

 

Confirmed Presenters:

Glen Balog
Superintendent, OZ Minerals
Dr David Beck
CEO, Beck Engineering Pty Ltd
Dr Ian Brunton
Principal Geotechnical Engineer, Itasca Australia Ltd
Dr Alex Campbell
Principal Engineer Mining and Rock Mechanics, Beck Engineering Pty LtdAlex is a mining engineer with 15 years’ experience in operating mines and as a consultant. His experience spans underground and open pit mining, with roles including geotechnical engineering, mine production and long term mine planning. He holds bachelor’s degrees in Mining Engineering and Civil Engineering, a master’s in Mining Geomechanics and completed a PhD in 2019. Alex has special interests in sublevel caving, blasting and cave flow simulation, and has published over 20 papers to date. Alex is currently a principal mining and rock mechanics engineering at Beck Engineering.
Claire Chauvier
Cave Flow Engineer, OZ MineralsClaire attended the University of Queensland and graduated in 2015 with a degree in mining and geotechnical engineering. She began her career in the mining industry as a geotechnical engineer at George Fisher Mine in Mount Isa where she learned several skills including infrastructure design, stope sequencing and backfill mix design, and fill schedules. Claire has a keen interest in data science which arose from a project in geotechnical block model development. Her passion for data science led her to apply for the cave flow engineering role at Carrapateena with OZ Minerals where she has been working on cave flow model calibration for the SLC.
Dr Dan Cumming-Potvin
Project Lead – mXrap Development, Australian Centre for GeomechanicsDaniel completed his Bachelor of Mining Engineering and PhD at The University of Western Australia in 2012 and 2018 respectively. He has worked at a number of underground metal mines in Australia, specialising in the areas of ground support, monitoring and mine seismicity. Daniel is currently project lead for mXrap.
Dr German Flores-Gonzalez
General Manager Mining, Newcrest Mining LimitedDr German Flores-Gonzalez is a mining engineer with more than 37 years of experience in the mining industry. He worked at El Teniente block caving mine, Chuquicamata open pit mine and Chuquicamata underground project of Codelco Chile. He has also worked at Cadia East block caving mine and different roles at the Head office of Newcrest Mining in Australia. He is currently the General Manager Mining at Newcrest Mining Limited
Simon Hanrahan
Principal Consultant, SRK Consulting
Dr Stefan Hrabar
Co-founder and CEO, EmesentDr Stefan Hrabar has been at the forefront of drone autonomy research and development for nearly 20 years. Following his PhD in computer science/robotics on this topic, he spent 13 years at CSIRO where he continued his work on vision and lidar-based perception and navigation for drones. He led the development and commercialisation of Hovermap in CSIRO and co-founded Emesent in 2018 to bring this ground-breaking technology to market.
Ronald Lachenicht
Principal Geotechnical Engineer, Itasca Australia LtdRonald Lachenicht has 25 years’ experience in mining geomechanics ranging from consulting, research projects, and studies to mine operational experience. Over the course of his experience, positions held include manager, senior geotechnical engineer, geotechnical superintendent and principal geotechnical engineer roles with associated levels of responsibility.
A key focus of Mr Lachenicht’s experience has been to identify, mitigate and manage geotechnical risks for mining companies within open pit to high stress underground operations encompassing both weak and strong rock mass environments.
James Lett
Superintendent Geotechnical Operations Cadia, Newcrest Mining LimitedJames is a geotechnical engineer with over 17 years’ experience in the mining, civil and exploration industry. James has worked in various industry and consulting roles including civil geotechnics, mineral exploration, underground coal and metalliferous operations, feasibility studies and specialises in caving geomechanics. He is currently working at Newcrest Mining at Cadia as part of the operations team responsible for geotechnical engineering across surface operations, tailings and underground mining. James is passionate about rockmass characterisation and analysing the impact of pre-conditioning on cave propagation.
Andrew Mooney
Project Director – Carrapateena Expansion, OZ MineralsWith both local and international experience, Andrew specialises in the leadership of operational teams and major project delivery. Andrew’s work has taken him across Australia, South East Asia, Africa and South America, and he has worked on the delivery of the Telfer and Cadia East caves with Newcrest, as well as operational improvement across MMG’s global operations. While Registered Manager of the Golden Grove site, Andrew helped lead the Mining, Processing, Maintenance and Technical teams to turn around site performance. Andrew is passionate about building team capability and engaging new ideas to deliver projects and operational improvement. With OZ Minerals, Andrew is currently leading multiple disciplinary teams to deliver the Carrapateena Expansion Study.
Cristián Orrego
Principal Geotechnical Engineer, Newcrest Mining LimitedCristian is a mining engineer with more than 14 years’ experience in rock mechanics in mining companies and as a consultant. He has worked on multiple mines and projects throughout South America, Australasia and Africa with a strong focus on numerical modelling as a tool for geohazard management and mine design optimisation in caving and open pit environments. He is currently working at Newcrest Mining as principal geotechnical engineer within the mining group in Melbourne, Australia, providing technical support, assurance, design and leadership on geotechnical numerical modelling across Newcrest studies, projects and operations.
Professor Yves Potvin
Professor of Mining Geomechanics, Australian Centre for GeomechanicsYves joined the Australian Centre for Geomechanics at The University of Western Australia in 1998 and was Centre Director, 2000 – 2019. Professor Potvin has published more than 100 articles and is the editor/co-editor of 14 conference proceedings and books. He has over 30 years of experience in rock mechanics and mine design and has previously held managerial positions at Mount Isa Mines, the Noranda Technology Centre and worked as a mining engineer at Noranda Mines, Gaspe Division. Yves undertakes numerous collaborative industry-focussed research projects and is presently involved with the ACG’s Ground Support Systems Optimisation Project, and the Stope Reconciliation and Optimisation Project. He currently participates in several geotechnical review boards.
Andre Van As
Principal Engineer, Van As Geotechnical Pty LtdAndre is an underground mine geotechnical engineer that has spent most of his 30-year career working on caving operations and caving projects. Andre has worked on, or had significant involvement in, more than 10 major caving operations and projects, and sits on several cave mining geotechnical review boards. In 1997, he and Dr Rob Jeffrey introduced hydraulic fracturing into the cave mining industry as a means of cave induction and rock mass preconditioning at Northparkes Mines. As a result of their work, they were awarded a CSIRO medal. In 2018, Andre formed his own consultancy focussed on providing technical expertise to the cave mining industry.
Associate Professor Johan Wesseloo
Director, Australian Centre for GeomechanicsSince obtaining a BEng (Civil) and MEng (Geotechnical) from The University of Pretoria, Johan has been involved in geotechnical engineering in open pit and underground environments throughout 14 countries. He commenced his career in 1998 as a geotechnical engineer at SRK Consulting in Johannesburg where his experience included open pit and underground projects in varying geotechnical conditions. In 2005 he was awarded a PhD (Geotechnical) from The University of Pretoria. Johan joined the ACG in 2007 as a Research Fellow. During his time at the ACG, Johan has been involved in research, the supervision of postgraduate students and geotechnical training. He also performs geotechnical and mining-induced seismicity reviews providing him with the valuable opportunity to visit numerous operations worldwide. Johan was instrumental in the development of the mXrap software and many of the software routines and apps available in that platform. Johan is a Fellow of The Australian Institute of Mining and Metallurgy and the Southern African Institute of Mining and Metallurgy. He was awarded the SAIMM Gold medal in 2006 and 2016, and the SAIMM Silver Medal in 2014. In May 2019, Johan was appointed Centre Director.
Dylan Whiteman
Head of Innovation & Technology, Elexon Mining

 

This seminar commences at 7:45am WAST 14 June 2021. Check your local start time with the Time Zone Converter.

Professional Development Hours

Caving 2022 Symposium
Abstracts for the Fifth International Symposium on Block and Sublevel Caving are due 7 October 2021. Click here to learn more and submit your abstracts.

ACG Research Projects
Learn more about the ACG’s Physical and Numerical Modelling of Cave Propagation research project.

 

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