Abstracts accepted

The abstracts accepted in MassMin2020 are

  1. Scoping a new production level layout for the Chuquicamata underground mine
    D. Cortés; D. Silva
  2. Caveability and cave propagation assessment of Northparkes E26 lift 1 North block cave mine
    Z. Li; S. Webster; L. Snyman; B. Powlay
  3. The design and production practice of block caving in Pulang copper mine
    Y. Liu; X. Chen; X. Feng; Q. Ge
  4. Development of discrete event simulation model for cave mining ore handling systems with open source tools
    D. Silva
  5. 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
  6. Block caving comminution model applications for secondary fragmentation estimations
    R. Gómez; R. Castro
  7. Block cave ore reserves, are we reporting a reserve or potential inventory?
    N. Burgio
  8. Global review of current practices in sublevel caving mines
    Campbell
  9. Miners of the future – How will it be to work in the future digital mine?
    J. Johansson; L. Abrahamsson
  10. Engineering design and operational protocols for underground rock handling systems
    G. Ferguson; M. Didyk
  11. Dynamic bolt development and application in ultra deep mechanised mining
    R. Abreu
  12. Study on stress evolution of bottom structure in the undercutting process of block caving
    W. Fan; Y. Liu; Q. Ge; X. Chen
  13. Mechanisms of loss and failure in caving mines and other mass mining projects
    D. Beck
  14. 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
  15. The final result of slope optimization program at Grasberg surface Mine, Papua – Indonesia
    M. Mahayasa; E. Widijanto; A. Yuniar; R. Gautama
  16. 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
  17. Back analysis of cave propagation and subsidence at Cadia East mine
    E. Ghazvinian; M. Fuenzalida; C. Orrego
  18. Simulation approach of the impact of hang-ups and oversize in the productivity of caving methods
    M. Fuentes; N. Estibill; E. Rubio
  19. Monitoring the decline deformation associated with cave growth at an active sub level caving mine.
    E. Jones; M. Woods; B. Ghabraie; D. Beck
  20. Interdependence of caving mechanisms
    D. Elmo; B. Klein; E. Eberhardt; A. Moss
  21. Confined blasting tests in sublevel caving at the Kiruna mine
    N. Petropoulos; M. Wimmer; A.Nordqvist; U. Nyberg.
  22. A simpler and effective numerical method to analyse different aspects of cave mechanics
    D. Elmo; S. Rogers; C. Guajardo; K. Veltin; J. Lett
  23. A synthetic rock mass approach to understanding the impact of rock mass preconditioning
    D. Elmo; S. Rogers; C. Guajardo; K. Veltin; J. Lett
  24. Newcrest PC1 cave: a study on the role of key geotechnical parameters on cave behavior
    S. Rogers; D. Elmo; K. Farahmand; J. Lett
  25. A methodology for cave fragmentation prediction
    M. Fuenzalida; M. Pierce; R. Ghazal; C. Darcel
  26. Improved rock mass characterization by integrating field observations and photogrammetry with DFN modelling and analysis
    S. Rogers; A. Brzovic
  27. PCBC – 30 years of evolution
    T. Diering
  28. An integrated approach to forecasting and monitoring for the recognition of large-scale instability in a rock mass system
    E. Jones; D. Beck
  29. 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
  30. 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
  31. Gravity flow research at the Kiruna sublevel caving mine during the last decade and an outlook into the future
    Norsqvist; M. Wimmer
  32. Geotechnical instrumentation; innovative design and execution for Carrapateena Cave Management
    D. Cox; G. Balog; M. Fargher
  33. 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
  34. Undercutless caving at Newcrest: towards the next generation of cave mining
    P. Paredes; P. Kline; L. Popa; M. Sykes
  35. Mud Rush hazard assessment; A probabilistic approach to risk management
    G. Balog; A. D’Amico; M. Fargher; T. Ormerod.
  36. Reopening and closure of a block cave
    H. Paetzold; P. Lourens; R. Brazier
  37. Construction of the first macro block at the Chuquicamata underground mine
    D. Silva; K. Mühlenbrock; R. Navarrete; H. Fuentes; J. Pumarino; D. Cortés
  38. Quantification of the geological strength index for rock mass in hypogene environment
    Russo; I. Vela; F. Encina; E. Hormazabal
  39. Papomono mine modelled as an inclined cave
    D. Villa; J. Baraqui; R. Salinas
  40. Multi-parameter analysis of block cave footprints
    D. Villa; T. Diering; M. Diering
  41. 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
  42. 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
  43. Monitoring cave back location and propagation to improve cave management strategy
    M. Erhardt; W. Teweng; K. Simanjuntak; A. Primadiansyah; A. Brzovic; G. Van Hout
  44. Draw strategy development for the Subika sublevel shrinkage project
    M. Ramirez; D. Rahal; A. Isabel; J. Seamons
  45. PT Freeport Indonesia – The transition to underground production
    T. Casten; M. Johnson; C. Zimmer; M. Mahayasa
  46. Characterization of veined rock masses
    D. Badner; C. Griffiths; R. Bewick; S. Otto
  47. Grasberg block cave mine rail project update– PT Freeport Indonesia
    M. Castro; J. Gillman; A. Hariyadi; C. Brannon; F. Lara
  48. Simulation modelling of Carrapateena sub level cave production level performance
    D. Hronsky; S. Mariager; S. Donaldson; L. Bobbermen
  49. Life of mine mass excavation design considerations
    T. Darakjian; D. Badner; C. Griffiths; R. Bewick
  50. 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
  51. Initial setup of hydraulic fracturing in Deep Mill Level Zone (DMLZ) underground mine, PT. Freeport Indonesia, Papua, Indonesia
    N. Nugraha; R. Bastiawarman; I. Edgar
  52. Design and execution of an integrated monitoring system at Carrapateena sub level cave
    M. Fargher; D. Cox; G. Balog
  53. 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
  54. 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
  55. Assessing opportunities for remote sensing and sorting at Carrapateena
    S. Nadolski; R. Hocking; M. Andrew; M. Donaldson; S. Seiler
  56. Increasing sublevel height from 30 m to 50 m at LKAB
    C. Quinteros
  57. Passive seismic imaging for mineral exploration
    N. Ramm; G. Olvier; T. de Wit
  58. Deep Ore Zone Mine wet ore mining empirical learnings, mining process evolution and development pathway
    I. Edgar; R. Prasetyo; M. Wilkinson
  59. Undercutting method selection at Cadia East PC2-3 extension
    C. Orrego; R. Lowther; C. Chester; D. Cuello; G. Newcombe
  60. The application of civil engineering construction practices in cave mines for improved extraction and reliability
    O. Colbeck; A. Tuxworth; S. Otto
  61. Hill of Value optimisation for transitioning from an operating sub level cave to a block cave
    R. Hocking; A. Mooney
  62. 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
  63. Marker design and calibration of flow models at high draw heights.
    R. Hocking; M. Fargher; C. Chester
  64. Automation for mass mining – A systems thinking approach
    J. Sciortino; J. Coleman
  65. 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
  66. Enabling the digital change – Systems thinking for Brownfields operations
    J. Sciortino; K. Forrest; J. Coleman
  67. Operational and real-time loader dispatch using mathematical programming at Rio Tinto’s Argyle Diamonds
    S. Donaldson; W. Harney; T. Cox
  68. A database of dynamic energy dissipation capacity for rock bolt systems
    E. Villasescusa; A. Thompson; U. De Zoysa; M. Hettiarachchi; J. Player
  69. Managing cave interaction with in-situ and near real-time cave flow monitoring
    D. Cuello; J. Lett; E. Hancock; D. Whiteman; S. Steffen
  70. Design, implementation and field performance of face destress blasting for mine development
    C. Drover; E. Villaescusa; I. Onederra; P. Landeros
  71. A design and construction methodology for deep mine development.
    C. Drover; E. Villaescusa
  72. Evaluating the decision to relocate crusher chamber based on actual ground conditions
    P. Lourens; H. Paetzold
  73. Construction and reinforcement of ore pass in hard rock in a panel caving.
    A. Muñoz; E. Rojas; M. Sarrazin; C. Benavides
  74. Cave interaction – The analysis and risk mitigation approach for Carrapateena sub-level cave and block cave interaction.
  75. Footprint reliability – Understanding and planning for caving challenges
    R. Bewick; S. Otto; C. Griffiths; J. Elliot; D. Badner
  76. Monitoring underground/open pit mines and tailings storage facilities using seismic noise interferometry
    T. de Wit; G. Olivier; N. Ramm
  77. Optimisation of draw strategy and mine schedule for sub-level caves
    J. White; S. Donaldson; M. Fargher; R. Hocking; A. Campbell
  78. Pillar bursting triggered by confinement loss in a nonlinear elastic loading system
    A. McDonald; S. McKinnon; R. Beweck
  79. Assessing excavation stability in block caving
    R. Lachenicht; G. Sharrock
  80. Effects on the surface of mining methods with backfilling
    Y. Chan
  81. Definition of an envelope and life-of-mine production schedule for block caving mines under grade and material flow uncertainty
    R. Noriega; Y. Pourrahimian
  82. Mass mining of diamond deposits
    J. Jakubec
  83. Incline cave at Ekati mine – Case study
    J.Jakubec; B. Boggis; R. Woodward
  84. Identifying optimal draw control strategy for sublevel caving operation
    G. Shekhar; A. Gustafson; H. Schunnesson
  85. Real time economic assessment of draw point performance at Kiirunavaara mine – experiences and learnings
    G. Shekhar; A. GIstafson; P. Forss; H. Schunnesson
  86. Incline cave mining – History and present
    J. Jakubec
  87. Interpretation of far field stress conditions at the Grasberg complex of mines
    C. Groccia; R. Bewick; I. Gregson; R. Campbell; M. Sullivan
  88. 2D Value in 3D caving problems
    J. Roy; R. Bewick; J. Carvalho
  89. Stress measurement campaign key considerations
    C. Groccia; R. Bweick; D. Chesser; I. Gregson; A. Rostocki
  90. Automation of stope robust design by applying simulations to incorporate uncertainty to underground mining design process
    H. Soto; C. Poblete
  91. Tracking cave response to undercut ring blasting, mucking and hydrofracturing
    W. de Beer; L. Smith-Boughner
  92. Gravity flow numerical modeling & optimization using discrete element method (DEM) with Rocky DEM®
    A. Graterol; S. Maggi; K. Ropelato
  93. Constraining the yield zone of large caves in mines using shear wave splitting
    S. Meyer
  94. Planning a monitoring system for effective cave management
    L. Arancibia; R. Castro; J. Lett
  95. Hang ups modelling for planning at the PC2 sector Cadia East mine
    D. Guzmán; R. Castro; J. Lett
  96. Modelling inrushes due to swell rill of fines -SRF at PC1 Cadia East mine
    M. Valencia; R. Castro; D. Cuello; J. Lett
  97. Smart technology for cave subsidence monitoring
    A. Thomas; J. Jakubec; S. Steffen; A. Davies
  98. Risk analysis: understanding parameters behind the transition from an open pit mine to an underground block cave
    C. Ludwicki, D. Villa, P. Cawley
  99. 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
  100. A scalable online algorithm for passive seismic tomography in underground mines.
    C. Delplancke; J. Fontbona; J. Prado; S. Gaete
  101. Development and production update of the Grasberg block cave mine – PT Freeport Indonesia
    D. Beard; C. Brannon; N. Pascoe; A. Priatna
  102. Designing a modern agile block cave footprint for Carrapateena expansion
    D. Lagace; Q. Zhang; R. Hocking; C. Chester; D. Hrosnky; A. Mooney; J. Dermody
  103. Innovative mixed reality approach to rock mass mapping in underground mining
    E. Onsel; D. Stead; W. Barnet; L. Zorzi; A. Shaban
  104. Integrated construction center in Andes Norte Project – New Mine Level
    R. Pozo; P. Tobar
  105. Pre-conditioning of first macro block at the Chuquicamata underground mine
    R. Navarrete; H. Fuentes; D. Silva; K. Mühlembrock; N. Valdes; J. Pumarino
  106. Online monitoring system, Andes Norte Project
    R. Pozo; N. Messer
  107. Resolving changes in stress following hydraulic fracturing using seismic moment tensors
    L. Smith-Boughner; W. de Beer; I. Leslie
  108. Simulating gravity flow and caveability with cellular automata
    G. Sharrock; I. Brunton; C. Chester; Y. Herbet; A. Hossack; J. Ooi
  109. Fines migration in block and sub-level caving
    G. Sharrock; I. Brunton; R. Hocking; M. Fargher
  110. Numerical assessment of caveability and subsidence
    G. Sharrock; Y. Herbet
  111. Rock pillar evolution due to random stresses during mining in deep underground mines
    R. Cabezas
  112. 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
  113. Geomechanical analysis and constructive recommendations in ground with squeezing risk
    M. Bascuñán; V. Mendoza; M. Bacco; M. Silva
  114. Where geology meets engineering in hydrothermally altered environments: considering veins in geotechnical engineering
    J. Day; M. Clark; G. Rudderham
  115. 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
  116. Numerical investigation of disturbed flow behaviour observed from full scale experiments
    I. Brunton; G. Sharrock
  117. Physical modelling of cave breakthrough
    D. Cumming-Potvin; YH. Potvin; N. Schoeman; SW. Jacobsz; E. Kearsley; J. Wesseloo
  118. 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
  119. Operational considerations for exclusion zones while hydraulic fracturing near underground infrastructure
    D. Carroll; D. Glen; E. Hancock; P. Stonestreet; D. Cuello
  120. Performance optimization of support equipment for drilling yards preparation using machine learning
    M. Barboza; S. Arnes; C. Abello; E. Lopez
  121. 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
  122. Managing and exploiting stress in the deep mill level zone caving mine
    K. Simanjuntak; W. Teweng; A. Primadiansyah; N. Soumilena
  123. Sub-Level cave calibration and analysis of the mine A
    M. Diering; T. Diering
  124. Numerical modelling of dynamic testing for surface retaining elements used in underground mining
    E. Marambio; J. Vallejos; L. Burgos
  125. Estimation of collapsed column height in block / panel caving mining
    C. Bonachea; J. Vallejos
  126. Grasberg open pit to Grasberg block cave transition water management plan
    A. Ginting; E. Widijanto; A. Yuniar
  127. Mining strategies and ground support for brittle and burst prone ground
    J. Roy; E. Eberhardt; R. Bewick
  128. Explicit numerical modeling of dynamic reinforcement
    Y. Marulanda; J. Vallejos
  129. Progression of drawbell design and learnings at the Grasberg block cave operation
    D. Brooks; N. Pascoe
  130. 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
  131. Early experiences from the Grasberg block cave: a rock mechanics perspective
    R. Campbell; F. Mardiansyah; H. Banda; J. Tshisens; C. Griffiths; D. Beck
  132. Utility of seismic source mechanisms in large-scale underground mines
    M. Gal; D. Malovichko
  133. Understanding the mode of failure of extraction levels and its impact on support systems
    T. Lavoie; E. Eberhardt
  134. Impact of geomechanical parameters in the medium and long term mining plan, El Teniente mine – Codelco Chile
    C. Bizama; S. Díaz; S. Balboa
  135. 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
  136. Constraining the shape of a cave in mass mining using seismic attenuation measurements
    F. Calixto
  137. 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
  138. Use of hydraulic fracturing at Cadia East PC2-3 extension for seismic hazard reduction.
    R. Lowther; D. Cuello; G. Newcombe; D. Glen
  139. Grasberg open pit to Grasberg block cave transition
    A. Ginting; N. Pascoe
  140. Issues with transitioning from open pit to underground caving mines
    C. Stewart; I. Ross
  141. Medium term effects on seismic hazard and seismicity from hydraulic fracturing a geological structure
    D. Cuello; D. Carroll; D. Glen; P. Stonestreet; E. Hancock
  142. 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
  143. Integration of asset management for extraction level operations
    C. Stewart; A. Osorio; A. Grivas; E. Hancock; J. Lett
  144. FLAC3D numerical modelling of damage propagation through sill pillar in mine practicing sublevel caving and sub-level open stoping methods
    D. Saiang; N. Marshall
  145. Using a comprehensive instrumentation system for cave monitoring at the new gold new afton mine, west cave.
    C. Kamp
  146. Rehabilitation and Recovery Methods for Converged Drawpoints
    C. Kamp
  147. Back analysis of extraction level stability at New Afton mine
    M. Fuenzalida; C. Kamp; M. Pierce
  148. The boom in mining start-ups
    C. Valenzuela
  149. Mechanized shaft sinking systems – with high precision under toughest conditions.
    M. Weinhold
  150. Business adoption for optimisation based decision support tools
    J. White; N. Strong; S. Donaldson
  151. Extraction sequences for large-scale sublevel open stoping operations
    E. Villaescusa
  152. Delineation of concealed structures in block caving environments using seismic response to hydro-fracturing: A methodology
    P. Stonestreet; D. Tennant
  153. The union’s knowledge strategies to reach success in the implementation of remote operating centers
    M. Bucarey; R. Morales
  154. Application of cognitive network for automation and digital transformation of open pit mining
    R. Morales; M. Bucarey
  155. Organizational warping in the transition and interaction process between open pit and underground mining. The sommelier model
    R. Morales; M. Bucarey; L. Lavanderos
  156. Implementation of operational improvements, productivity and quality in the FH process in Andes Norte Project – NNM – New Mine Level
    I. Vera; A. Osses
  157. Analysis methodology for FH validation in Andes Norte Project – New Mine Level
    I. Vera; C. Soto
  158. Key factors in the excavation of caverns in deep mining
    F. Varas; P. Tobar
  159. Underground Iron ore project at Savage River mine
    U. Singh; E. Wynn; A. Campbell; A. Middleton
  160. Operational solution to panel caving mine exploitation at El Teniente: high draw bell methodology case study: Reservas Norte – Sub 6.
    F. Hidalgo; C. Cisternas
  161. Physical modelling for block caving application: theory and practice
    R. Castro; A. Pérez; R. Gómez
  162. 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
  163. Study of scale effect in post-peak behavior of dacite rock
    C. Zuñiga; J. Vallejos; L. Burgos; J, Arzua
  164. 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
  165. A geotechnical risk-based approach for extraction level design in block /panel caving mines under high-stress conditions
    E. Hormazabal; C. Valderrama; R. Alvarez
  166. Managing the risk of uncontrolled flow of material (mudrush) at Argyle diamond mine
    D. Saepulloh; T. Syaifullah; R. Hassel; J. Albrecht
  167. Dynamic planning approach for development for ChuquicamataUnderground Mine
    E. Rubio; C. Morales; C. Catalan; V. Gamarra; M. Fuentes; J. Barrera
  168. LHD versus gravitational block cave design for Udachny mine of Alrosa mining company
    E. Rubio; N. Estibill; M. Fuentes
  169. Dilution behavior studies at Chuquicamata underground project
    T. Leaño; E. Rubio; R. Castro; M. Fuentes
  170. Analysis of discount rates for mining projects
    A. Ovalle
  171. A best practice framework for inrush risk management
    L. Manca; D. Tyler; N. Pollington; P. Hills
  172. Analysis of bottlenecks of the caving extraction system
    N. Chavez; J. Aymachoque; P. Vasquez
  173. Observations of fracture banding at Northparkes E26 mine
    D. Cumming-Potvin; S. Webster; L. Snyman
  174. Automating the block cave mine – the time is now
    R. Schoepke
  175. Supply chains analysis for deep underground mining
    E. Arancibia; F. Rojas
  176. Design guidelines for block caving with wide spaced draw points and remaining pillars
    E. Arancibia; G. País
  177. 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
  178. Dynamic properties of porphyry rocks at high deformation rates: implications to rock excavation
    F. Robbiano; K. Liu; Q. Zhang; L. Orellana
  179. Big data applied to improvements in progress of mining tunnels in different geotechnical conditions
    R. Guzmán; J. Contreras; J. Galera; G. Ibarra
  180. LIDAR-based odometry estimation for autonomous loading of material with LHD
    D. Leottau; P. Loncomilla; M. Mascaró; J. Ruiz del Solar; C. Tampier
  181. Data collection strategies for mass mining
    J. Hadjigeorgiou; M. Fillion
  182. Dynamic test of ground support systems at Walenstadt testing facility
    G. Fisher; R. Brändle
  183. A simulation tool for the construction of ore passes system at the Reservas Norte mine, El Teniente, Codelco
    E. Labbé; L. Orellana
  184. Blasting in hot & reactive ground at the Black Rock sub-level cave, Australia
    F. Perry; H. Ogier
  185. Orientation and magnitude assessment of the principal stresses based on kinematic indicators and breakouts
    D. Díaz; M. Sepúlveda; R. González
  186. Mine design & planning at the Black Rock sub-level cave, Australia
    F. Perry
  187. Using seismic interferometry to image and monitor mining environments
    P. Dales; G. Olivier; J. Mercier; P. Audet
  188. 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
  189. How to install a TDR system at a sublevel cave mine in Canada
    A. Turichshev
  190. Geotechnical modelling in primary rock and their applications for mining at El Teniente mine
    R. Gonzalez; A. Brzovic; F. Celhay
  191. Introduction to the plasma fisurator alternative to pre-condition the rock in mining by caving
    R. Zepeda; G. Krstulovic; C. Nuñez
  192. 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
  193. 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
  194. Automation of unit and auxiliary operations in block/panel caving: challenges and opportunities
    C. Salvador; M. Mascaró; J. Ruiz del Solar
  195. Topics of mine planning tools applied to Chuquimata underground project scheduling.
    H. Constanzo; G. País; L. Inostroza
  196. Optimization of blasting designs to avoid miss fire by dynamic pressure phenomena
    S. Marambio; M. Cánovas; J. Arzúa; M. Maleki; J. González
  197. High-capacity production systems for block caving mines.
    D. Morrison
  198. Digital transformation as an enabler to achieve a manufacturing mindset in mining.
    R. Gonzalez; E. Rubio; N. Estibill
  199. Block cave mining with high lift draw bells to quicken startup and increase profitability
    E. Hawkins; M. Lovitt
  200. Structural recognition and rock mass characterization in underground mines: a UAV and LiDAR mapping based approach
    C. Canales
  201. Last planner system application in Recursos Norte project commissioning, El Teniente mine.
    A. Osorio; B. Trigo
  202. A new approach to define primary fragmentation
    D. Elmo; S. Rogers; K. Veltin; C. Guajardo; K. Farahmand
  203. Drillhole deviation during drawbell construction in block caving
    N. Bustos; E. Villaescusa; I. Onederra
  204. Numerical modelling of blasting and gravity flow in SLC mines
    C. Yi; D. Johansson; M. Wimmer; A. Nordqvist
  205. A methodology for cave fragmentation prediction
    A. van As
  206. Geotechnical data collection for new generation cave mines
    A. van As; D. Wood
  207. The design & operating philosophies of panel vs block caves
    A. van As; A. Guest
  208. 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
  209. Automating hydraulic fracture preconditioning data analysis to improve preconditioning workflows
    D. Kasperczyk; A. Movassagh; Z. Chen; K. Quinlan
  210. 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
  211. Micro-seismic monitoring in Petra Diamond kimberlite pipes
    B. Mzimela; P. Boshoff; A. Holder
  212. Improved caving system for mining at greater depths
    T. Ladinig; A. Daborer; H. Wagner; J. Töyrä; M. Wimmer
  213. Recovery of mineral pillars to improve productivity through engineering and explosive technologies – massive blast 640,000 ton, Copiapó, Chile
    J. Pavez
  214. Underground personnel tracking: case studies on production benefits justifying safety systems
    C. Lousberg
  215. Cullinan Diamond Mine pit stability monitoring using LiDAR and InSAR.
    P. Hislop; P. Boshoff; A. Wolmarans; A. Holder; D. Beck
  216. Mud rush triggering mechanisms at drawpoints, El Teniente mine
    K. Basaure; M. Salazar; E. Viera
  217. A novel approach for prediction of high- risk block failure zones around underground excavation based on 1D data
    A. Hekmatnejad; A. Opazo
  218. Fracture intensity, discrete fracture network model and evaluation of in-situ fragmentation
    A. Hektmatnejad; C. Guajardo
  219. Toward optimization of hydraulic fracturing as pre-conditioning technique for cave ability at El Teniente mine, Chile
    A. Hekmatnejad; F. Moreno; P. Schachter
  220. Task-based approach for the management of hang-up removal and secondary breakage to improve short-term plan compliance, El Teniente mine
    K. Basaure
  221. Digital technology implementation in “Proyecto Energía” AMSA Zaldivar
    W. Cereceda; F. Moroni; Y. Pizarro; A. Pacheco
  222. 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
  223. Production phase design for open pit mines using optimization algorithms
    V. Loor; N. Morales
  224. LTE, the door for 4.0 Mining Model
    D. Gonzalez
  225. Design criteria of inclined block caving for Tres Valles massive deposit
    S. Mass; G. Pais; L. Merino; V. Encina; J. Baraqui
  226. 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
  227. 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
  228. Optimization of short-term mining preparation production plans applied to a panel caving mine
    C. Toledo; N. Morales
  229. Geotechnical hazard maps – a tool for ground support rehabilitation forecasting in active underground mines
    E. Tasse; C. Griffiths; R. Bewick
  230. Application of a semi automatic method for optimal ramp design
    C. Cerón; P. Nancel-Penard; N. Morales
  231. Extraction strategy to mitigate the risk of early dilution entering in Dacita sector, El Teniente mine.
    F. Robles; H. Rebolledo; P. Miranda
  232. Critical review on dynamic energy absorption capacity of surface support elements
    Y. Marulanda; R. Guzmán; J. Contreras; A. Valdivieso
  233. Fire Modeling Methodology for Underground Mining
    S. Valencia
  234. Analysis of vulnerability or potential damage in ore pass by dismantling blocks or wedges. El Teniente Mine.
    J. Cubillos; I. León; F. Parada
  235. Use of artificial intelligence in mining operations
    W. Felsch; C. Arroyo; A. Fiorito; A. Joviano
  236. 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
  237. An overview of large-scale unified finite element models currently being developed for the mining industry
    E. Córdova; D. Beck
  238. 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
  239. 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
  240. Observational rock mass damage model associated to caving advance of Chuquicamata underground mine
    H. Constanzo; P. Guerra; B. Giuseppe
  241. Mining plan alternatives to increase the reliability of the Chuquicamata underground mine production plan
    H. Constanzo; L. Inostroza; B. Jara
  242. Structural model generation for the first lift of exploitation, Chuquicamata underground mine
    D. Harrison; H. Constanzo; D. Espiñeria
  243. A block caving planning model considering induced seismicity
    C. Flores; S. Gaete; A. Jofré
  244. Planning strategies to ensure the beginning of mine production on time in Chuquicamata underground project.
    Y. Martínez; M. Olagnier; M. Silva
  245. A simple relationship between production rate, induced seismicity and rock-mass stress state
    P. Toledo; J. Silva; C. Cáceres
  246. A gradient damage model applied to underground mining methods
    S. Gaete; A. Jofré; R. Lecaros; G. Montecinos; J. Ortega; J. Ramírez; J. San Martín
  247. Smart mining operations through digitalization
    R. Marin; J. Altamirano
  248. The rule of Taylor: analysis of applicability on south American mining industry
    N. Vásquez; V. Encina
  249. Tailing disposal in crater of block cave mines: a way to reduce the volume of new tailings dams
    V. Encina; J. Rayo
  250. A design for block caving preparation with minimum concrete usage
    V. Encina
  251. 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
  252. Hydraulic fracturing in cave mining. Opportunities for improvement
    R. Rimmelin
  253. Mining design criteria associated with the El Teniente mine ventilation, Codelco Chile, División El Teniente Chile
    R. Quiroz
  254. Construction of drift without pilot raise in conventional caving panel methodology – case study Reservas Norte
    C. Vergara; R. Quiroz; R. Atala
  255. Elevation of the hierarchy of control and management of critical wet-mud Risk in the El Teniente mine
    A. Morales; N. Celis; R. Quiroz
  256. Value Creation through the Administration of Parque Equipos mine
    E. Llanos; R. Quiroz
  257. Geotechnical model in primary rock and their applications for mining at El Teniente mine
    R. Gonzalez; A. Brzovic; F. Celhay
  258. Hang up frequency as mine planning optimization parameter
    P. Shachter; R. González; N. Vega; M. Silva; F. Celhay
  259. Inclusion of risks in block caving mining planning using big data techniques
    R. Castro; A. Pérez; R. Gómez
  260. Considerations in swell factor estimations on broken ore materials
    L. Dorador
  261. Factors affecting secondary fragmentation assessment during block caving applied to detail engineering design
    L. Dorador
  262. Size scaling considerations for geomechanical characterization on broken ore materials
    L. Dorador; V. Mendoza; M. Bascuñán
  263. Numerical modelling of the advance drainage in deep tunnel excavation
    V. Mendoza; J. Neira; M. Bascuñán; G. Rivera; F. Orcaistegui
  264. 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
  265. 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
  266. A comparison between open-pit ramp designs obtained by varying design characteristics and through linear optimization
    R. Moreno; M. Reyes; P. Nancel-Penard
  267. CFD study of intake fan connection to shaft using wind deflectors
    J. Hurtado; B. Villegas
  268. Kemess underground project – extraction level simulation
    C. Clark
  269. The importance of footprint reliability
    A. Purba; A. Moss
  270. Analysis of extraction level layout for block caving
    R. Gómez; K. Sáez; N. Pino
  271. Probabilistic estimation of largest events in deep massive mining
    J. Jarufe
  272. Calibration of structurally controlled caving propagation using 3DEC. The Esmeralda Block 1 case study
    S. López; G. Barindelli; C. Orrego; C. Álvarez; P. Gómez
  273. Caving assessments – The state-of-the-art method
    J. Lett
  274. High reserve recovery rate in secondary ore using primary ore design parameters. Case study: Pipa Norte Hw
    F. Hidalgo; I. Salinas
  275. Investigating use of absorption chillers for underground mine cooling
    K. Trapani
  276. 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
  277. Lessons learned during the initial undercutting at the Chuquicamata underground mine
    F. Rodríguez; A. Berg; D. Morales; R. Castro; L. Arancibia
  278. Building Colombia’s first caving mine
    G. Dunstan
  279. Mine access decision at Quebradona
    G. Dunstan
  280. 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
  281. Spence mine spent ore dump, from the design to the operation – lessons learned
    M. Arenas; J. Correa; J. Rojas; M. Gonzalez; J. Diaz
  282. Multi-lifts selection methodology for mass caving projects
    P. Vergara
  283. 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
  284. Guidelines for development muck planning considering capacity and quality constrains applied to El Teniente mine projects.
    J. Cornejo; H. Vega; M. Vargas; G. País
  285. Semiautomous LHD operational philosophy for panel caving applications
    H. Vega; R. Castro
  286. Loading and Hauling process simulation for weekly mine plans compliance
    A. Reyes; J. Pastrán; H. Painevilo
  287. New methodology to measure short term spatial compliance
    C. Martinez; I. Galvez; J. Laínez
  288. Impact of interactive draw in modern caving mining by a physical model
    K. Murat; T. Bruning; R. Hocking; J. Cole; N. Grillo; C. Chester
  289. Quality control automation for drilling operations in Minera Los Pelambres
    M. Casanegra; F. Ortega; D. Aguirre; B. López; M. Muñoz
  290. Long term planning for a block cave project. Is the value being missed?
    P. Murphy
  291. The possibility of using open-pit conveyor transport in the conditions of the Tsankh field
    M. Khukhuudei
  292. Blasting design and drawbell implementation at the Chuquicamata underground mine
    F. Rofríguez; A. Berg; J. Videla; N. Jamett; D. Morales; R. Castro; L. Arancibia