Abstracts accepted
The abstracts accepted in MassMin2020 are
- Scoping a new production level layout for the Chuquicamata underground mine
D. Cortés; D. Silva - Caveability and cave propagation assessment of Northparkes E26 lift 1 North block cave mine
Z. Li; S. Webster; L. Snyman; B. Powlay - The design and production practice of block caving in Pulang copper mine
Y. Liu; X. Chen; X. Feng; Q. Ge - Development of discrete event simulation model for cave mining ore handling systems with open source tools
D. Silva - Cave extensions at Northparkes mines – E26 Lift 1 North mine design options and lesson learnt from previous cave extensions.
S. Webster; E. Samosir; A. Roman; A. Wyllie - Block caving comminution model applications for secondary fragmentation estimations
R. Gómez; R. Castro - Block cave ore reserves, are we reporting a reserve or potential inventory?
N. Burgio - Global review of current practices in sublevel caving mines
Campbell - Miners of the future – How will it be to work in the future digital mine?
J. Johansson; L. Abrahamsson - Engineering design and operational protocols for underground rock handling systems
G. Ferguson; M. Didyk - Dynamic bolt development and application in ultra deep mechanised mining
R. Abreu - Study on stress evolution of bottom structure in the undercutting process of block caving
W. Fan; Y. Liu; Q. Ge; X. Chen - Mechanisms of loss and failure in caving mines and other mass mining projects
D. Beck - Managing high in-situ rock stress by changing mining methods at Subika underground from open stoping to sublevel shrinkage
M. Ramirez; J. Seamons; K. Huss; A. Isabel - The final result of slope optimization program at Grasberg surface Mine, Papua – Indonesia
M. Mahayasa; E. Widijanto; A. Yuniar; R. Gautama - Back analysis of the effect of hydraulic fracturing preconditioning on mining-induced seismicity at the main access of new mine level project, CODELCO Chile – El Teniente Division
E. Ghazvinian; B. Damjanac; L. Lorig; P. Cavieres; A. Madrid - Back analysis of cave propagation and subsidence at Cadia East mine
E. Ghazvinian; M. Fuenzalida; C. Orrego - Simulation approach of the impact of hang-ups and oversize in the productivity of caving methods
M. Fuentes; N. Estibill; E. Rubio - Monitoring the decline deformation associated with cave growth at an active sub level caving mine.
E. Jones; M. Woods; B. Ghabraie; D. Beck - Interdependence of caving mechanisms
D. Elmo; B. Klein; E. Eberhardt; A. Moss - Confined blasting tests in sublevel caving at the Kiruna mine
N. Petropoulos; M. Wimmer; A.Nordqvist; U. Nyberg. - A simpler and effective numerical method to analyse different aspects of cave mechanics
D. Elmo; S. Rogers; C. Guajardo; K. Veltin; J. Lett - A synthetic rock mass approach to understanding the impact of rock mass preconditioning
D. Elmo; S. Rogers; C. Guajardo; K. Veltin; J. Lett - Newcrest PC1 cave: a study on the role of key geotechnical parameters on cave behavior
S. Rogers; D. Elmo; K. Farahmand; J. Lett - A methodology for cave fragmentation prediction
M. Fuenzalida; M. Pierce; R. Ghazal; C. Darcel - Improved rock mass characterization by integrating field observations and photogrammetry with DFN modelling and analysis
S. Rogers; A. Brzovic - PCBC – 30 years of evolution
T. Diering - An integrated approach to forecasting and monitoring for the recognition of large-scale instability in a rock mass system
E. Jones; D. Beck - Field test and numerical simulation of preconditioning by hydraulic fracturing in hard rock iron mine
W. Li; Y. Liu; X. Chen; C. Xia; X. Yao; J. Chu - A practical application of laser scanning to assist with the monitoring of large chambers.
T. Moorcroft; C. Christopher; O. Dorjsuren; M. Sanaakhorol; M. Munkhtsolmon; J. Mercier; S. Muir - Gravity flow research at the Kiruna sublevel caving mine during the last decade and an outlook into the future
Norsqvist; M. Wimmer - Geotechnical instrumentation; innovative design and execution for Carrapateena Cave Management
D. Cox; G. Balog; M. Fargher - Accounting for early drawpoint loss in cave mine ore reserves: a case study from Oyu Tolgoi Hugo North Lift 1
F. Prince; J. Gantumur; J. Dudley - Undercutless caving at Newcrest: towards the next generation of cave mining
P. Paredes; P. Kline; L. Popa; M. Sykes - Mud Rush hazard assessment; A probabilistic approach to risk management
G. Balog; A. D’Amico; M. Fargher; T. Ormerod. - Reopening and closure of a block cave
H. Partzold; P. Lourens; R. Brazier - Construction of the first macro block at the Chuquicamata underground mine
D. Silva; K. Mühlenbrock; R. Navarrete; H. Fuentes; J. Pumarino; D. Cortés - Quantification of the geological strength index for rock mass in hypogene environment
Russo; I. Vela; F. Encina; E. Hormazabal - Papomono mine modelled as an inclined cave
D. Villa; J. Baraqui; R. Salinas - Multi-parameter analysis of block cave footprints
D. Villa; T. Diering; M. Diering - Investigation of the effects of the operational parameters on the daily production schedule in panel caving using mathematical programming
S. Paravarzar; A. Hooman; Y. Pourrahimian; X. Emery - Understanding the surface subsidence during the transition of an open pit to block cave by comparing InSAR Data with 3D numerical modeling
U. Kothari; F. Sinaga; J. Tshisens - Monitoring cave back location and propagation to improve cave management strategy
M. Erhardt; W. Teweng; K. Simanjuntak; A. Primadiansyah; A. Brzovic; G. Van Hout - Draw strategy development for the Subika sublevel shrinkage project
M. Ramirez; D. Rahal; A. Isabel; J. Seamons - PT Freeport Indonesia – The transition to underground production
T. Casten; M. Johnson; C. Zimmer; M. Mahayasa - Characterization of veined rock masses
D. Badner; C. Griffiths; R. Bewick; S. Otto - Grasberg block cave mine rail project update– PT Freeport Indonesia
M. Castro; J. Gillman; A. Hariyadi; C. Brannon; F. Lara - Simulation modelling of Carrapateena sub level cave production level performance
D. Hronsky; S. Mariager; S. Donaldson; L. Bobbermen - Life of mine mass excavation design considerations
T. Darakjian; D. Badner; C. Griffiths; R. Bewick - Optimised and automated development shift planning using mathematical programming at Newcrest’s Cadia Valley Operations PC2-3
S. Donaldson; B. Hollis; C. Fanning; M. Evans - Initial setup of hydraulic fracturing in Deep Mill Level Zone (DMLZ) underground mine, PT. Freeport Indonesia, Papua, Indonesia
N. Nugraha; R. Bastiawarman; I. Edgar - Design and execution of an integrated monitoring system at Carrapateena sub level cave
M. Fargher; D. Cox; G. Balog - The execution of a complex draw strategy through the development of an NPV optimisation dispatch tool at Carrapateena sub level cave
M. Fargher; S. Donaldson; R. Hocking; D. Hronsky - Agile mine design and planning processes enable the addition of new data to deliver significant NPV at Carrapateena SLC
M. Fargher; J. Marsden; R. Hocking - Assessing opportunities for remote sensing and sorting at Carrapateena
S. Nadolski; R. Hocking; M. Andrew; M. Donaldson; S. Seiler - Increasing sublevel height from 30 m to 50 m at LKAB
C. Quinteros - Passive seismic imaging for mineral exploration
N. Ramm; G. Olvier; T. de Wit - Deep Ore Zone Mine wet ore mining empirical learnings, mining process evolution and development pathway
I. Edgar; R. Prasetyo; M. Wilkinson - Undercutting method selection at Cadia East PC2-3 extension
C. Orrego; R. Lowther; C. Chester; D. Cuello; G. Newcombe - The application of civil engineering construction practices in cave mines for improved extraction and reliability
O. Colbeck; A. Tuxworth; S. Otto - Hill of Value optimisation for transitioning from an operating sub level cave to a block cave
R. Hocking; A. Mooney - Designing an undercut design that can transition from a post to advanced undercut for high stress conditions, using common development for Carrapateena Expansion
R. Hocking; D. Hronsky; A. Mooney; J. Dermody; D. Lagace - Marker design and calibration of flow models at high draw heights.
R. Hocking; M. Fargher; C. Chester - Automation for mass mining – A systems thinking approach
J. Sciortino; J. Coleman - The role of space 2.0 technologies in digital value chain optimisation – not as big a leap as you may think
J. Sciortino; J. Coleman - Enabling the digital change – Systems thinking for Brownfields operations
J. Sciortino; K. Forrest; J. Coleman - Operational and real-time loader dispatch using mathematical programming at Rio Tinto’s Argyle Diamonds
S. Donaldson; W. Harney; T. Cox - A database of dynamic energy dissipation capacity for rock bolt systems
E. Villasescusa; A. Thompson; U. De Zoysa; M. Hettiarachchi; J. Player - Managing cave interaction with in-situ and near real-time cave flow monitoring
D. Cuello; J. Lett; E. Hancock; D. Whiteman; S. Steffen - Design, implementation and field performance of face destress blasting for mine development
C. Drover; E. Villaescusa; I. Onederra; P. Landeros - A design and construction methodology for deep mine development.
C. Drover; E. Villaescusa - Evaluating the decision to relocate crusher chamber based on actual ground conditions
P. Lourens; H. Paetzold - Construction and reinforcement of ore pass in hard rock in a panel caving.
A. Muñoz; E. Rojas; M. Sarrazin; C. Benavides - Cave interaction – The analysis and risk mitigation approach for Carrapateena sub-level cave and block cave interaction.
- Footprint reliability – Understanding and planning for caving challenges
R. Bewick; S. Otto; C. Griffiths; J. Elliot; D. Badner - Monitoring underground/open pit mines and tailings storage facilities using seismic noise interferometry
T. de Wit; G. Olivier; N. Ramm - Optimisation of draw strategy and mine schedule for sub-level caves
J. White; S. Donaldson; M. Fargher; R. Hocking; A. Campbell - Pillar bursting triggered by confinement loss in a nonlinear elastic loading system
A. McDonald; S. McKinnon; R. Beweck - Assessing excavation stability in block caving
R. Lachenicht; G. Sharrock - Effects on the surface of mining methods with backfilling
Y. Chan - Definition of an envelope and life-of-mine production schedule for block caving mines under grade and material flow uncertainty
R. Noriega; Y. Pourrahimian - Mass mining of diamond deposits
J. Jakubec - Incline cave at Ekati mine – Case study
J.Jakubec; B. Boggis; R. Woodward - Identifying optimal draw control strategy for sublevel caving operation
G. Shekhar; A. Gustafson; H. Schunnesson - Real time economic assessment of draw point performance at Kiirunavaara mine – experiences and learnings
G. Shekhar; A. GIstafson; P. Forss; H. Schunnesson - Incline cave mining – History and present
J. Jakubec - Interpretation of far field stress conditions at the Grasberg complex of mines
C. Groccia; R. Bewick; I. Gregson; R. Campbell; M. Sullivan - 2D Value in 3D caving problems
J. Roy; R. Bewick; J. Carvalho - Stress measurement campaign key considerations
C. Groccia; R. Bweick; D. Chesser; I. Gregson; A. Rostocki - Automation of stope robust design by applying simulations to incorporate uncertainty to underground mining design process
H. Soto; C. Poblete - Tracking cave response to undercut ring blasting, mucking and hydrofracturing
W. de Beer; L. Smith-Boughner - Gravity flow numerical modeling & optimization using discrete element method (DEM) with Rocky DEM®
A. Graterol; S. Maggi; K. Ropelato - Constraining the yield zone of large caves in mines using shear wave splitting
S. Meyer - Planning a monitoring system for effective cave management
L. Arancibia; R. Castro; J. Lett - Hang ups modelling for planning at the PC2 sector Cadia East mine
D. Guzmán; R. Castro; J. Lett - Modelling inrushes due to swell rill of fines -SRF at PC1 Cadia East mine
M. Valencia; R. Castro; D. Cuello; J. Lett - Smart technology for cave subsidence monitoring
A. Thomas; J. Jakubec; S. Steffen; A. Davies - Risk analysis: understanding parameters behind the transition from an open pit mine to an underground block cave
C. Ludwicki, D. Villa, P. Cawley - Multi-attribute microseismic analysis to evaluate the evolution of in situ stress: imaging the complex relationship between stress and structure.
I. Nizkous; L. Smith-Boughner; V. Shumila; W. de Beer; D. Angus - A scalable online algorithm for passive seismic tomography in underground mines.
C. Delplancke; J. Fontbona; J. Prado; S. Gaete - Development and production update of the Grasberg block cave mine – PT Freeport Indonesia
D. Beard; C. Brannon; N. Pascoe; A. Priatna - Designing a modern agile block cave footprint for Carrapateena expansion
D. Lagace; Q. Zhang; R. Hocking; C. Chester; D. Hrosnky; A. Mooney; J. Dermody - Innovative mixed reality approach to rock mass mapping in underground mining
E. Onsel; D. Stead; W. Barnet; L. Zorzi; A. Shaban - Integrated construction center in Andes Norte Project – New Mine Level
R. Pozo; P. Tobar - Pre-conditioning of first macro block at the Chuquicamata underground mine
R. Navarrete; H. Fuentes; D. Silva; K. Mühlembrock; N. Valdes; J. Pumarino - Online monitoring system, Andes Norte Project
R. Pozo; N. Messer - Resolving changes in stress following hydraulic fracturing using seismic moment tensors
L. Smith-Boughner; W. de Beer; I. Leslie - Simulating gravity flow and caveability with cellular automata
G. Sharrock; I. Brunton; C. Chester; Y. Herbet; A. Hossack; J. Ooi - Fines migration in block and sub-level caving
G. Sharrock; I. Brunton; R. Hocking; M. Fargher - Numerical assessment of caveability and subsidence
G. Sharrock; Y. Herbet - Rock pillar evolution due to random stresses during mining in deep underground mines
R. Cabezas - Managing open pit stability at Grasberg mine through the transition from open pit to underground block cave mining
E. Widijanto; A. Yuniar; A. Keith; A. Ginting; R. Gautama - Geomechanical analysis and constructive recommendations in ground with squeezing risk
M. Bascuñán; V. Mendoza; M. Bacco; M. Silva - Where geology meets engineering in hydrothermally altered environments: considering veins in geotechnical engineering
J. Day; M. Clark; G. Rudderham - Cave propagation factor for local assessment of caving rate and fragmentation at PTFI
M. Pierce; R. Campbell; K. Llewelyn; K. Simanjuntak; A. Kurniawan; D. Haflil; F. Meiriyanto; M. Fuenzalida; S. Rogers - Numerical investigation of disturbed flow behaviour observed from full scale experiments
I. Brunton; G. Sharrock - Physical modelling of cave breakthrough
D. Cumming-Potvin; YH. Potvin; N. Schoeman; SW. Jacobsz; E. Kearsley; J. Wesseloo - Towards data rich verification of validation of numerical modelling predictions to cave mechanics problems
D. Cumming-Potvin; YH. Potvin; N. Schoeman; SW. Jacobsz; E. Kearsley; J. Wesseloo - Operational considerations for exclusion zones while hydraulic fracturing near underground infrastructure
D. Carroll; D. Glen; E. Hancock; P. Stonestreet; D. Cuello - Performance optimization of support equipment for drilling yards preparation using machine learning
M. Barboza; S. Arnes; C. Abello; E. Lopez - Holistic approach to near real-time rock mass response and cave monitoring at the Oyu Tolgoi mine
J. Mercier; T. Moorcroft; O. Dorjsuren; M. Sanaakhorol; M. Munkhtsolmon; C. Carlson; B. Tumur-Ochir; G. Watt; P. Friberg; Z. Goldstein; M. Hagerty; R. Jelveh; S. Jourdain; H. Medhat; P. Dales; M. Rizescu - Managing and exploiting stress in the deep mill level zone caving mine
K. Simanjuntak; W. Teweng; A. Primadiansyah; N. Soumilena - Sub-Level cave calibration and analysis of the mine A
M. Diering; T. Diering - Numerical modelling of dynamic testing for surface retaining elements used in underground mining
E. Marambio; J. Vallejos; L. Burgos - Estimation of collapsed column height in block / panel caving mining
C. Bonachea; J. Vallejos - Grasberg open pit to Grasberg block cave transition water management plan
A. Ginting; E. Widijanto; A. Yuniar - Mining strategies and ground support for brittle and burst prone ground
J. Roy; E. Eberhardt; R. Bewick - Explicit numerical modeling of dynamic reinforcement
Y. Marulanda; J. Vallejos - Progression of drawbell design and learnings at the Grasberg block cave operation
D. Brooks; N. Pascoe - Three-dimensional numerical analysis of pillars support on the extraction level by convergence-confinement method in block caving mining
R. Álvarez; D. Acevedo; C. Valderrama; F. Sanz; E. Hormazábal - Early experiences from the Grasberg block cave: a rock mechanics perspective
R. Campbell; F. Mardiansyah; H. Banda; J. Tshisens; C. Griffiths; D. Beck - Utility of seismic source mechanisms in large-scale underground mines
M. Gal; D. Malovichko - Understanding the mode of failure of extraction levels and its impact on support systems
T. Lavoie; E. Eberhardt - Impact of geomechanical parameters in the medium and long term mining plan, El Teniente mine – Codelco Chile
C. Bizama; S. Díaz; S. Balboa - The Impact of strength, structure and stress on the implementation of hydraulic fractures in a caving mine
D. Glen; E. Hancock; D. Carroll; P. Stonestreet; D. Cuello - Constraining the shape of a cave in mass mining using seismic attenuation measurements
F. Calixto - Managing system of panel caving mine operations during high level constraints and interferences, Esmeralda mine case study
F. Hidalgo; E. Viera; M. Navarro; J. Romero - Use of hydraulic fracturing at Cadia East PC2-3 extension for seismic hazard reduction.
R. Lowther; D. Cuello; G. Newcombe; D. Glen - Grasberg open pit to Grasberg block cave transition
A. Ginting; N. Pascoe - Issues with transitioning from open pit to underground caving mines
C. Stewart; I. Ross - Medium term effects on seismic hazard and seismicity from hydraulic fracturing a geological structure
D. Cuello; D. Carroll; D. Glen; P. Stonestreet; E. Hancock - Fault characterization and modeling in Deep Mill Level Zone (DMLZ) mine of PT. Freeport Indonesia
D. Haflil; S. Widodo; P. Wiguna; W. Barnett; L. Zorzi; R. Campbell - Integration of asset management for extraction level operations
C. Stewart; A. Osorio; A. Grivas; E. Hancock; J. Lett - FLAC3D numerical modelling of damage propagation through sill pillar in mine practicing sublevel caving and sub-level open stoping methods
D. Saiang; N. Marshall - Using a comprehensive instrumentation system for cave monitoring at the new gold new afton mine, west cave.
C. Kamp - Rehabilitation and Recovery Methods for Converged Drawpoints
C. Kamp - Back analysis of extraction level stability at New Afton mine
M. Fuenzalida; C. Kamp; M. Pierce - The boom in mining start-ups
C. Valenzuela - Mechanized shaft sinking systems – with high precision under toughest conditions.
M. Weinhold - Business adoption for optimisation based decision support tools
J. White; N. Strong; S. Donaldson - Extraction sequences for large-scale sublevel open stoping operations
E. Villaescusa - Delineation of concealed structures in block caving environments using seismic response to hydro-fracturing: A methodology
P. Stonestreet; D. Tennant - The union’s knowledge strategies to reach success in the implementation of remote operating centers
M. Bucarey; R. Morales - Application of cognitive network for automation and digital transformation of open pit mining
R. Morales; M. Bucarey - Organizational warping in the transition and interaction process between open pit and underground mining. The sommelier model
R. Morales; M. Bucarey; L. Lavanderos - Implementation of operational improvements, productivity and quality in the FH process in Andes Norte Project – NNM – New Mine Level
I. Vera; A. Osses - Analysis methodology for FH validation in Andes Norte Project – New Mine Level
I. Vera; C. Soto - Key factors in the excavation of caverns in deep mining
F. Varas; P. Tobar - Underground Iron ore project at Savage River mine
U. Singh; E. Wynn; A. Campbell; A. Middleton - Operational solution to panel caving mine exploitation at El Teniente: high draw bell methodology case study: Reservas Norte – Sub 6.
F. Hidalgo; C. Cisternas - Physical modelling for block caving application: theory and practice
R. Castro; A. Pérez; R. Gómez - Utilizing drone technology and high-resolution point clouds for mine planning in a large underground sub-level open stoping mine
D. Woolmer; E. Jones; J. Taylor; K. Li - Study of scale effect in post-peak behavior of dacite rock
C. Zuñiga; J. Vallejos; L. Burgos; J, Arzua - A review of Inclined draw point cave design and its application to high grade narrow vein mining: applications to Peruvian mining industry
E. Rubio; J. Barrera; M. Fuentes; V. Gamarra - A geotechnical risk-based approach for extraction level design in block /panel caving mines under high-stress conditions
E. Hormazabal; C. Valderrama; R. Alvarez - Managing the risk of uncontrolled flow of material (mudrush) at Argyle diamond mine
D. Saepulloh; T. Syaifullah; R. Hassel; J. Albrecht - Dynamic planning approach for smart cave for Chuquicamata underground mine
E. Rubio; C. Morales; C. Catalan; V. Gamarra; M. Fuentes; J. Barrera - LHD versus gravitational block cave design for Udachny mine of Alrosa mining company
E. Rubio; N. Estibill; M. Fuentes - Dilution behavior studies at Chuquicamata underground project
T. Leaño; E. Rubio; R. Castro; M. Fuentes - Analysis of discount rates for mining projects
A. Ovalle - A best practice framework for inrush risk management
L. Manca; D. Tyler; N. Pollington; P. Hills - Analysis of bottlenecks of the caving extraction system
N. Chavez; J. Aymachoque; P. Vasquez - Observations of fracture banding at Northparkes E26 mine
D. Cumming-Potvin; S. Webster; L. Snyman - Automating the block cave mine – the time is now
R. Schoepke - Supply chains analysis for deep underground mining
E. Arancibia; F. Rojas - Design guidelines for block caving with wide spaced draw points and remaining pillars
E. Arancibia; G. País - Fully automated and scalable processing of mine micro-seismic data
J. Mercier; R. Jelveh; M. Hagerty; P. Dales; P. Friberg; M. Sanaakhorol; C. Carlson; B. Tumur-Ochir; G. Watt - Dynamic properties of porphyry rocks at high deformation rates: implications to rock excavation
F. Robbiano; K. Liu; Q. Zhang; L. Orellana - Big data applied to improvements in progress of mining tunnels in different geotechnical conditions
R. Guzmán; J. Contreras; J. Galera; G. Ibarra - LIDAR-based odometry estimation for autonomous loading of material with LHD
D. Leottau; P. Loncomilla; M. Mascaró; J. Ruiz del Solar; C. Tampier - Data collection strategies for mass mining
J. Hadjigeorgiou; M. Fillion - Dynamic test of ground support systems at Walenstadt testing facility
G. Fisher; R. Brändle - A simulation tool for the construction of ore passes system at the Reservas Norte mine, El Teniente, Codelco
E. Labbé; L. Orellana - Blasting in hot & reactive ground at the Black Rock sub-level cave, Australia
F. Perry; H. Ogier - Orientation and magnitude assessment of the principal stresses based on kinematic indicators and breakouts
D. Díaz; M. Sepúlveda; R. González - Mine design & planning at the Black Rock sub-level cave, Australia
F. Perry - Using seismic interferometry to image and monitor mining environments
P. Dales; G. Olivier; J. Mercier; P. Audet - Pre-feasibility study of using IPCC systems for overburden materials handling in Gol-E-Gohar iron ore mine, Area 1
M. Nabizadeh; A. Khademian; M. Jalali; S. Esmaeilpour - How to install a TDR system at a sublevel cave mine in Canada
A. Turichshev - Geotechnical modelling in primary rock and their applications for mining at El Teniente mine
R. Gonzalez; A. Brzovic; F. Celhay - Introduction to the plasma fisurator alternative to pre-condition the rock in mining by caving
R. Zepeda; G. Krstulovic; C. Nuñez - Measurement of horizontal principal stresses & stress gradient determination at new Afton block cave mine, Kamloops, British Columbia
B. Haveman; E. Hemstad; A. Shaffer; L. Gilbride; C. Kamp - 10 years of coupled mechanical-flow simulations in caving mines – What has changed and where to next?
J. Lin; D. Beck; F. Reusch; V. Lekovitch; A. Campbell; M. Masoudian - Automation of unit and auxiliary operations in block/panel caving: challenges and opportunities
C. Salvador; M. Mascaró; J. Ruiz del Solar - Topics of mine planning tools applied to Chuquimata underground project scheduling.
H. Constanzo; G. País; L. Inostroza - Optimization of blasting designs to avoid miss fire by dynamic pressure phenomena
S. Marambio; M. Cánovas; J. Arzúa; M. Maleki; J. González - High-capacity production systems for block caving mines.
D. Morrison - Digital transformation as an enabler to achieve a manufacturing mindset in mining.
R. Gonzalez; E. Rubio; N. Estibill - Block cave mining with high lift draw bells to quicken startup and increase profitability
E. Hawkins; M. Lovitt - Structural recognition and rock mass characterization in underground mines: a UAV and LiDAR mapping based approach
C. Canales - Last planner system application in Recursos Norte project commissioning, El Teniente mine.
A. Osorio; B. Trigo - A new approach to define primary fragmentation
D. Elmo; S. Rogers; K. Veltin; C. Guajardo; K. Farahmand - Drillhole deviation during drawbell construction in block caving
N. Bustos; E. Villaescusa; I. Onederra - Numerical modelling of blasting and gravity flow in SLC mines
C. Yi; D. Johansson; M. Wimmer; A. Nordqvist - A methodology for cave fragmentation prediction
A. van As - Geotechnical data collection for new generation cave mines
A. van As; D. Wood - The design & operating philosophies of panel vs block caves
A. van As; A. Guest - Effect of off-days duration and distribution on the production rate of the Gohar Zamin iron ore complex (Sirjan, Iran) using time series plots
M. Zeidabadinejad; A. Pouriani; J. Arabzadeh; H. Khoshdast - Automating hydraulic fracture preconditioning data analysis to improve preconditioning workflows
D. Kasperczyk; A. Movassagh; Z. Chen; K. Quinlan - A less conventional approach in response to a partial undercut failure in the Centenary Cut Block Cave at Cullinan Diamond Mine delivers promising results
B. Mzimela; P. Boshoff; T. Matoba; J. Du Plooy; H. Tukker; A. Holder; D. Beck - Micro-seismic monitoring in Petra Diamond kimberlite pipes
B. Mzimela; P. Boshoff; A. Holder - Improved caving system for mining at greater depths
T. Ladinig; A. Daborer; H. Wagner; J. Töyrä; M. Wimmer - Recovery of mineral pillars to improve productivity through engineering and explosive technologies – massive blast 640,000 ton, Copiapó, Chile
J. Pavez - Underground personnel tracking: case studies on production benefits justifying safety systems
C. Lousberg - Cullinan Diamond Mine pit stability monitoring using LiDAR and InSAR.
P. Hislop; P. Boshoff; A. Wolmarans; A. Holder; D. Beck - Mud rush triggering mechanisms at drawpoints, El Teniente mine
K. Basaure; M. Salazar; E. Viera - A novel approach for prediction of high- risk block failure zones around underground excavation based on 1D data
A. Hekmatnejad; A. Opazo - Fracture intensity, discrete fracture network model and evaluation of in-situ fragmentation
A. Hektmatnejad; C. Guajardo - Toward optimization of hydraulic fracturing as pre-conditioning technique for cave ability at El Teniente mine, Chile
A. Hekmatnejad; F. Moreno; P. Schachter - Task-based approach for the management of hang-up removal and secondary breakage to improve short-term plan compliance, El Teniente mine
K. Basaure - Digital technology implementation in “Proyecto Energía” AMSA Zaldivar
W. Cereceda; F. Moroni; Y. Pizarro; A. Pacheco - Incorporating vulnerability of hang-ups and secondary breakage to drawpoints availability for short-term cave plans, El Teniente mine
D. Garcés; H. Rebolledo; P. Miranda - Production phase design for open pit mines using optimization algorithms
V. Loor; N. Morales - LTE, the door for 4.0 Mining Model
D. Gonzalez - Design criteria of inclined block caving for Tres Valles massive deposit
S. Mass; G. Pais; L. Merino; V. Encina; J. Baraqui - The application of digital spatial integration in the management of a typical underground diamond mine
J. Langenhoven; J. Van Den Berg; A. Holder; H. Westermann - The application of digital spatial integration and smart rig technology for sub level cave long hole – drilling.
B. Douglas; O. Nkwana; E. Van Den Berg; A. Holder - Optimization of short-term mining preparation production plans applied to a panel caving mine
C. Toledo; N. Morales - Geotechnical hazard maps – a tool for ground support rehabilitation forecasting in active underground mines
E. Tasse; C. Griffiths; R. Bewick - Application of a semi automatic method for optimal ramp design
C. Cerón; P. Nancel-Penard; N. Morales - Extraction strategy to mitigate the risk of early dilution entering in Dacita sector, El Teniente mine.
F. Robles; H. Rebolledo; P. Miranda - Critical review on dynamic energy absorption capacity of surface support elements
Y. Marulanda; R. Guzmán; J. Contreras; A. Valdivieso - Fire Modeling Methodology for Underground Mining
S. Valencia - Analysis of vulnerability or potential damage in ore pass by dismantling blocks or wedges. El Teniente Mine.
J. Cubillos; I. León; F. Parada - Use of artificial intelligence in mining operations
W. Felsch; C. Arroyo; A. Fiorito; A. Joviano - Theory and implementation of the Itasca Constitutive Model for Advanced Strain Softening (IMASS)
E. Ghazvinian; T. Garza-Cruz; M. Fuenzalida; L. Bouzeran; Z. Cheng; C. Cancino; M. Pierce - An overview of large-scale unified finite element models currently being developed for the mining industry
E. Córdova; D. Beck - An analysis of a sub level stoping mine using finite element models to define stope behavior, stope incorporation philosophies and effects on depth
E. Córdova; E. Villaescusa; D. Beck - Escondida: a world class mine using advanced finite element numerical models as a strategic decision making tool
E. Córdova; L. Cornejo; P. Gonzalez; D. Beck - Observational rock mass damage model associated to caving advance of Chuquicamata underground mine
H. Constanzo; P. Guerra; B. Giuseppe - Mining plan alternatives to increase the reliability of the Chuquicamata underground mine production plan
H. Constanzo; L. Inostroza; B. Jara - Structural model generation for the first lift of exploitation, Chuquicamata underground mine
D. Harrison; H. Constanzo; D. Espiñeria - A block caving planning model considering induced seismicity
C. Flores; S. Gaete; A. Jofré - Planning strategies to ensure the beginning of mine production on time in Chuquicamata underground project.
Y. Martínez; M. Olagnier; M. Silva - A simple relationship between production rate, induced seismicity and rock-mass stress state
P. Toledo; J. Silva; C. Cáceres - A gradient damage model applied to underground mining methods
S. Gaete; A. Jofré; R. Lecaros; G. Montecinos; J. Ortega; J. Ramírez; J. San Martín - Smart mining operations through digitalization
R. Marin; J. Altamirano - The rule of Taylor: analysis of applicability on south American mining industry
N. Vásquez; V. Encina - Tailing disposal in crater of block cave mines: a way to reduce the volume of new tailings dams
V. Encina; J. Rayo - A design for block caving preparation with minimum concrete usage
V. Encina - Stochastic optimization taking account of seismicity induced by block caving applied to underground copper mining in Chile
E. De la Barra; A. Jofré; M. Armstrong - Hydraulic fracturing in cave mining. Opportunities for improvement
R. Rimmelin - Mining design criteria associated with the El Teniente mine ventilation, Codelco Chile, División El Teniente Chile
R. Quiroz - Construction of drift without pilot raise in conventional caving panel methodology – case study Reservas Norte
C. Vergara; R. Quiroz; R. Atala - Elevation of the hierarchy of control and management of critical wet-mud Risk in the El Teniente mine
A. Morales; N. Celis; R. Quiroz - Value Creation through the Administration of Parque Equipos mine
E. Llanos; R. Quiroz - Geotechnical model in primary rock and their applications for mining at El Teniente mine
R. Gonzalez; A. Brzovic; F. Celhay - Hang up frequency as mine planning optimization parameter
P. Shachter; R. González; N. Vega; M. Silva; F. Celhay - Inclusion of risks in block caving mining planning using big data techniques
R. Castro; A. Pérez; R. Gómez - Considerations in swell factor estimations on broken ore materials
L. Dorador - Factors affecting secondary fragmentation assessment during block caving applied to detail engineering design
L. Dorador - Size scaling considerations for geomechanical characterization on broken ore materials
L. Dorador; V. Mendoza; M. Bascuñán - Numerical modelling of the advance drainage in deep tunnel excavation
V. Mendoza; J. Neira; M. Bascuñán; G. Rivera; F. Orcaistegui - Intensive preconditioning implementations into a novel “macroblock variant” block caving. Application to Chuquicamata underground mine
A. Catalan; N. Valdes; C. Barria; J. Delgado; C. Trista; J. Tapia; C. Olivares - Innovative monitoring system for the transition from a large open pit into a “macroblock variant” block caving at Chuquicamata underground mine
A. Catalan; M. Santibañez; D. Villegas; C. Meza; A. Ollarzu - A comparison between open-pit ramp designs obtained by varying design characteristics and through linear optimization
R. Moreno; M. Reyes; P. Nancel-Penard - CFD study of intake fan connection to shaft using wind deflectors
J. Hurtado; B. Villegas - Kemess underground project – extraction level simulation
C. Clark - The importance of footprint reliability
A. Purba; A. Moss - Analysis of extraction level layout for block caving
R. Gómez; K. Sáez; N. Pino - Probabilistic estimation of largest events in deep massive mining
J. Jarufe - Calibration of structurally controlled caving propagation using 3DEC. The Esmeralda Block 1 case study
S. López; G. Barindelli; C. Orrego; C. Álvarez; P. Gómez - Caving assessments – The state-of-the-art method
J. Lett - High reserve recovery rate in secondary ore using primary ore design parameters. Case study: Pipa Norte Hw
F. Hidalgo; I. Salinas - Investigating use of absorption chillers for underground mine cooling
K. Trapani - Importance of laboratory testing, material properties and constitutive models in assessment of backfill performance for large-scale underground mining methods
P. Cepuritis; A. Céspedes; J. Wickens; G. Eriz - Lessons learned during the initial undercutting at the Chuquicamata underground mine
F. Rodríguez; A. Berg; D. Morales; R. Castro; L. Arancibia - Building Colombia’s first caving mine
G. Dunstan - Mine access decision at Quebradona
G. Dunstan - A comparison between conventional nested pits based on LG and an extended approach for nested pits generation in open-pit mine production
M. Caro; E. Jélvez; N. Morales; A. Carpanetti - Spence mine spent ore dump, from the design to the operation – lessons learned
M. Arenas; J. Correa; J. Rojas; M. Gonzalez; J. Diaz - Multi-lifts selection methodology for mass caving projects
P. Vergara - From the long term planning to the operation. The role of the hydrogeological strategic plan for a large open pit
A. Sánchez; J. Calderón; J. Díaz - Guidelines for development muck planning considering capacity and quality constrains applied to El Teniente mine projects.
J. Cornejo; H. Vega; M. Vargas; G. País - Semiautomous LHD operational philosophy for panel caving applications
H. Vega; R. Castro - Loading and Hauling process simulation for weekly mine plans compliance
A. Reyes; J. Pastrán; H. Painevilo - New methodology to measure short term spatial compliance
C. Martinez; I. Galvez; J. Laínez - Impact of interactive draw in modern caving mining by a physical model
K. Murat; T. Bruning; R. Hocking; J. Cole; N. Grillo; C. Chester - Quality control automation for drilling operations in Minera Los Pelambres
M. Casanegra; F. Ortega; D. Aguirre; B. López; M. Muñoz - Long term planning for a block cave project. Is the value being missed?
P. Murphy - The possibility of using open-pit conveyor transport in the conditions of the Tsankh field
M. Khukhuudei - Blasting design and drawbell implementation at the Chuquicamata underground mine
F. Rofríguez; A. Berg; J. Videla; N. Jamett; D. Morales; R. Castro; L. Arancibia