The SAIMM is a professional institute with local and international links aimed at assisting members source information about technological developments in the mining, metallurgical and related sectors.
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Abstracts and Programme

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  1. Drivers (extraction ratios, safety, technical, financial, legal, mine closure)
  2. Rockmass integration with minefill (hard and soft rock, cemented and uncemented backfill)
  3. Preperation (mine and industrial waste materials, binders, chemicals)
  4. Pipeline transportation (gravity-assisted flow, wear transient pressures)
  5. Placement (integration with mining cycles, bulk heads, drainage, strength development, seismic resilience)
  6. Modelling (geomechanics, in situ and laboratory behaviour)
  7. Case studies, challenges and innovations (from concepts to mine closure)

Download a list of titles of abstracts that have already been accepted
Download the Minefill 2011 brochure here...


PROVISIONAL PROGRAMME

DAY 1—22 MARCH 2011
  • 08:00–08:05 Short introduction from Session Chairperson Hartmut Ilgner
  • 08:05–08:10 Opening Prof. Nielen van der Merwe, SAIMM President Elect
  • 08:10–08:30 Reflections of the founder of the minefill symposium series. Dr Ed Thomas, Fellow AusIMM
  • 08:30–08:50 Are there opportunities for a positive mining legacy? James Lake, SRK
  • 08:50–09:10 Reclaimed tailings pastefill production at Xstrata George Fisher Mine at Mount Isa—operational challenges and solutions from 2000 to 2010. K. Kuganathan, George Fisher Mine, Australia
  • 09:10–09:30 Tea/Coffee
  • Backfilling for coal mine. Session Chairperson: Prof. Nielen van der Merwe
  • 09:30–09:50 Backfill and grouting technology in underground coal mining with use of saline mine waters. J. Palarski, F. Plewa, and G. Strozik, Silesia. University of Technology, Poland
  • 09:50–10:10 Fundamental research on brine based fly ash pastes for underground disposal. P.C. Pretorius, J.S. Mahlaba, U. Nzotta, & S.Hareeparsad, Sasol
  • 10:10–10:30 Integrating backfill technology with underground gasification of coal. J. Palarski and G. Strozik, Silesian University of Technology, Poland
  • 10:30–10:50 Backfilling on a budget: low capital paste backfill injection for small mines or brownfield site remediation. R. Brown* and I. Ahmed†, *Paterson & Cooke and †Golder Paste Technology
  • 10:50–11:00 Sponsors presentation
  • 11:00–11:30 Tea/Coffee
  • Backfilling for platinum and gold mines. Session Chairperson: Roger Johnson
  • 11:30–11:50 The impact of the use of backfill on the mine design process in deep narrow tabular platinum mines. P. Kluge, Hatch Africa
  • 11:50–12:10 Rock engineering related experiences with the use of backfill on the deepest platinum mine. S.B. Streuders, Northam Platinum Ltd
  • 12:10–12:30 Considerations for design of high stiffness backfill at ultra deep mines. L.J. Scheepers and S.K. Murphy, AngloGold Ashanti
  • 12:30–12:50 Mining methods and backfill at South Deep Gold Mine. W.C. Joughin*, W.M. Bester†, and M. Du Plooy†, *SRK Consuting and †South Deep Gold Mine, South Africa
  • 12:50–13:50 Lunch
  • Case study for mining with backfill. Session Chairperson: Prof. Ferry Hassani
  • 13:50–14:10 The evolution of mining and support strategies with increasing depth and other factors at Black Mountain. J.V. James* and N. Malitino†, and H. van Vuuren† *Celtis Geotechnical and †Black Mountain
  • 14:10–14:30 Mining with backfill at Rajpura Dariba Mine. S. Dutta* and A.G. Grice†, *GM Production, India and †AMC Consultants, Melbourne, Australia
  • 14:30–14:50 Mining with backfill at Nkomati mine, a case study. R. Kersten, Independent Consultant
  • 14:50–15:10 Three fill stoping methods designed to prevent groundwater inrush at the Baixiangshan iron mine, China. S. Cai*, D. Wu*, W. Wang†, and P. Yang*, *University of Science and Technology, Beijing and †Gushan Mining Company, Ma-Steel Group, China
  • 15:10–15:30 Backfilling and pillar re-mining in the potash industry. T. Fliß, H. Marx, H. Thoma, H. Stäubert, A. Lindenau, and D. Lack, K-UTEC AG Salt Technologies, Sondershausen, Germany
  • 15:30–16:00 Tea/Coffee
  • Backfill failure mechanisms. Session Chairperson: William Joughin
  • 16:00–16:20 Numerical modelling of the dynamic behaviour of paste backfill. S. Morgan and D. Antonov, Western Australian School of Mines and South Dakota School of Mines, USA
  • 16:20–16:40 Strength behaviour and failure mechanisms of backfill—rock mass interfaces. S. Manaras, E. de Souza, and J.F. Archibald, Queenʼs University, Canada
  • 16:40–17:00 Unique backfill design methodologies using centrifuge technology. E. de Souza, Queens University, Canada
  • 17:00 End of day 1

 

DAY 2—23 MARCH 2011

 

  • 08:00–08:30 Keynote address: Backfillʼs fickle journey. Dr R. Cooke, Paterson & Cooke, Denver, USA
    Backfilling properties. Session Chairperson: Donald OʼConnor
  • 08:30–08:50 Benefits of paste aggregate fill. S. Wilson and J. Calverd, Golder Paste Technology (Europe) Ltd
  • 08:50–09:10 Research on the mechanical properties of minefill: influences of material particle size, chemical and mineral composition, binder and mixing water. H. Saw and E. Villaescusa, Western Australian School of Mines, Kalgoorlie, Australia
  • 09:10–09:30 Investigation into mechanical and microstructural properties of gelfill. M.F. Kermani*, F.P. Hassani*, I. Isagon†, M. Nokken‡, and S. Haj-Zamani‡, *McGill University, †FIMM, Vale, Ontario Operations, and ‡Concordia Universities
  • 09:30–09:50 South Deep backfil—changing with the times. R. Bradley and K. Matthysen, Murray and Roberts, South Deep Gold Mine, South Africa
  • 09:50–10:10 The utilization of paste backfill admixtures at Barrick Gold mines. T. Weatherwax*, R. Evans*, and F. Hafeez†, *Barrick Global Shared Services, Canada and †Barrick Kanowna Bell Mine, Australia
  • 10:10–10:20 Sponsors presentation
  • 10:20–10:50 Tea/Coffee
  • Backfill transportation by pipe. Session Chairperson: Dr Robert Cooke
  • 10:50–11:10 A new method for testing the resistance loss in pipeline transportation of paste filling slurry. J. Wang*, C. Yang*, D. Chu*, J. Zhang*, S. Guo†, and H.-w. Wang‡, *School of resources and Environment Engineering, Shandong University of Technology, †Changchun Gold Research Institute, and ‡Hunan Style Technology, China
  • 11:10–11:30 The rheology of South Deep Mine backfill. N.R. Steward, Golder Associates, Australia
  • 11:30–11:50 Settlement in backfill pipelines: Its causes and a novel online detection method. P. Goosen*, H. Ilgner†, and S. Dumbu‡, *Paterson & Cooke Consulting Engineers (Pty) Ltd, South Africa, †CSIR - South Africa, and ‡Stoner (Pty) Ltd, South Africa
  • 11:50–12:10 Applying ASME Code B31.11 slurry transportation piping systems, an ANSI Standard. K.T. Pearson, Hatch, Canada
  • 12:10–12:20 Sponsors presentation
  • 12:20–13:20 Lunch
  • Backfill pipe wear. Session Chairperson: Michael Fehrsen
  • 13:20–13:40 Pipeline wear and the hydraulic performance of pastefill distribution systems: the Kidd Mine experience. M. McGuinness* and R. Cooke†, *McGill University, Canada and †Paterson & Cooke, USA
  • 13:40–14:00 Form and mechanism of abrasion in backfill drillhole pipelines in deep mine. X. Wang, D. Zhang, and Q. Zhang, Central South University, China
  • 14:00–14:20 Protection lining of the paste backfill borehole at the HBMS 777 mine. B.Y.S. Lin*, K.T. Pearson*, E. Elkjer†, *Hatch and †UPS
  • 14:20–14:30 Sponsors presentation
  • 14:30–15:00 Tea/Coffee
  • Waste disposal and legal compliance. Session Chairperson: Prof. Horst Wagner
  • 15:00–15:20 Mining techniques using phosphorus chemical wastes as backfill materials in Guizhou Kailin Group Co. Ltd. G-y. Zhao*, X-b. Li*, J-r. Yao†, Z-x. Liu*, A-h. Liu*, D-y. Li*, K. Peng*, and Q. Liu*, *Central South University, School of Resources and Safety
    Engineering and †Guizhou Kailin Group Co. Ltd, China
  • 15:20–15:40 A new standard for the planning and operation of backfill systems in Austria. W. Hohl and H. Wagner, University of Leoben, Austria
  • 15:40–16:00 Backfilling technologies under special conditions in a final disposal for radioactive wastes. J. Pier, H.-J. Roski, and W. Schauenburg, DMT GmbH & Co., Germany
  • 16:00–16:20 Safe Canadian practices in mine backfill operations. J.F. Archibald*, E.M. de Souza*, and L. Beauchamp†, *Queenʼs University, Canada and †Workplace Safety North, Canada
  • 16:20–16:40 Research and practice of unclassified tailings fill for extra-large mined-out spaces. C. Zhang*, J. Zhao*, Y. Kuang*, and H. Sun†, *SinoSteel Maanshan Institute of Mining Research Co. Ltd., †Dongguashan Copper Mine, China
  • 16:40 End of day 2
DAY 3—24 MARCH 2011
  • 08:00–08:30 Keynote address: A framework for designing and managing cemented mine backfill. M. Helinski* and A.B. Fourie†, *The University of Newcastle, Australia and †The University of Western Australia
  • Stability aspects. Session Chairperson: Tony Grice
    08:30–08:50 Stable pastefill walls in a large open stope at Sunrise Dam Gold Mine. L.A. Nienaber, Sunrise Dam Gold Mine, AngloGold Ashanti, Australia
  • 08:50–09:10 Paste fill for stope stability at the Challenger Gold Mine. K. Rich, Boddington Gold Mine, Australia, D. Antonov, South Dakota School of Mines, USA
  • 09:10–09:30 Critical factors influencing the capacity of arched fibrecrete bulkheads and waste rock barricades. M. Helinski*, D. Wines†, M. Revell*, D. Sainsbury†, *Revell Resources and †Itasca, Australia
  • 09:30–09:50 Variability reduction for hydraulic fill conductivity measured in laboratory. J. Jofre*, A.G. Grice†, W. Bamford*, and J. Styles*, *University of Melbourne, †AMC Consultants Pty Ltd, Australia
  • 09:50–10:10 Tea/Coffee
  • Cemented backfills Session Chairperson: Corne Pretorius
  • 10:10–10:30 Replacement ratio of cement with fly ash in cemented backfill. Z. Wang, Jinchuan Nickel & Cobalt Research and Engineering Institute, China
  • 10:30–10:50 Use of the Fillset system for backfilling with gold and platinum mine tailings. R.M. Smart (Posthumous), (Presented by D. OʼConnor), Minova RSA
  • 10:50–11:10 Mechanical properties of cemented rock-tailings backfill material. L.-j. Guo, X.-c. Yang, and W.-y. Xu, Beijing General Research Institute of Mining and Metallurgy, Peoples Republic of China
  • 11:10–11:30 Study and application of filling technology for a new material of high-property foaming tailings in Fankou Lead-Zinc Mine. Z. Muyi, T. Zhigang, T. Jun, and H. Chunlian, Shenzhen Zhongjin Lingnan Nonfemet Co., Ltd, and Changsha Institute of Mining Research, China
  • 11:30–11:40 Break—leg stretch
  • 11:40–12:00 A unique way of containing backfill. F.R.P. Pienaar and M. Howell, Mining Product Developments (Pty) Ltd, South Africa
  • 12:00–12:20 Backfill-based gully support system and experience with quality control procedures. N. Killassy* and L. Dison†, *Stitch-Wise (Pty) Ltd, South Africa and †Reinforced Earth (Pty) Ltd, South Africa
  • 12:20–13:20 Lunch
  • Cut and fill. Session Chairperson: Prof. Andy Fourie
  • 13:20–13:40 Experimental study of fill body non-uniformity for cut-and-fill mining. X-C. Yang, W-Y. Xu, L-J. Guo, W-J. Dong, and L-K. Xie, Beijing General Research Institute of Mining and Metallurgy, China Railway Resources Group Co. Ltd. Peoples Republic of China
  • 13:40–14:00 Case study: Underhand cut and fill stoping using cemented tailings paste fill at the Lanfranchi Nickel Mine. J. Foster, S. Jessop, and P. Andrews, Lanfranchi Nickel Mines, Panoramic Resources, Barrick, Australia
  • 14:00–14:20 System design and application research on an underground backfill plant at the Dayao Copper Mine. J-J. Wang, X-Q. Xu, and B. Yu, Beijing General Research Institute of Mining and Metallurgy, China Railway Resources Group Co. Ltd, Peoples Republic
    of China
  • 14:20–14:40 Tea/Coffee
  • Heat flow through backfill. Session Chairperson: Prof. Jamie Archibald
  • 14:40–15:00 Self-heating and mitigating methods for minefill. A. Zarassi*, F. Hassani*, J. Nesset*, F. Rosenblum*, and I. Isagon†, *McGill University, Montreal and †Vale, Ontario, Canada
  • 15:00–15:20 Development of a numerical model for heat transfer in mine backfill. S.A.G. Madiseh*, F.P. Hassani*, A. Mohammadian†, and F. Abbasy*, *McGill University and †University of Ottawa, Canada
  • 15:20–15:40 Modelling of coupled thermo-chemo-mechanical processes in cemented paste backfill structures and application to the prediction of their performance. M. Fall and O. Nasir, University of Ottawa, Canada
  • 15:40–16:00 Closing remarks and announcement of MINEFILL 2014

 


Minefill 2011 authors and papers

Authors Title Company Country
R Cooke Backfill’s Fickle Journey Patterson and Cooke Denver - USA
James Lake Are there opportunities for a positive mining legacy? SRK South Africa
Ed Thomas Reflections of the founder of the minefill symposium series   Australia
*M Helinski , ^A B Fourie and and ^M Fahey A Framework for Designing and Managing Cemented Mine Backfill *The University of Newcastle ^The University of Western Australia Australia
W Hohl and H Wagner A new standard for the planning and operation of backfill systems in Austria University of Leoben Austria
*J Foster, ^S Jessop and "P Andrews Case Study: Underhand cut and fill stoping using cemented tailings paste fill at the Lanfranchi Nickel Mine *Lanfranchi Nickel Mines ^Panoramic resources "Andrews Rock Mechanics Australia
Jan Palarski, Franciszek Plewa & Grzegorz Strozik Backfill and Grouting Technology in Underground Coal Mining with use of Saline Mine waters Silesia University of Technology Poland
*J F Archibald, *E De Souza, and **L Beauchamp Safe Canadian Practices in Mine Backfill Operations *Queen’s University, Canada
**Workplace Safety North, Canada
Australia
*M Helinski , ^A B Fourie and and ^M Fahey A Framework for Designing and Managing Cemented Mine Backfill *The University of Newcastle ^The University of Western Australia Australia
Xiao-cong Yang, Li-jie Guo, Wen-yuan Xu Mechanical Properties of Cemented Rock-Tailings Backfill Material Beijing General Research Institute of Mining and Metallurgy P.R China
Xiao-cong Yang, Wen-yuan Xu, Li-jie Guo, Lian-ku Xie Experimental study of fill body non-uniformity for cut-and-fill mining Beijing General Research Institute of Mining and Metallurgy P.R China
WANG Zhenghui Replacement ratio of cement with fly ash in cemented backfill JINCHUAN Co,Ltd China
^ZhangChuanxin, ^ZhaoJiyin, ^KuangYusheng, *SunHao Research and Practice of Unclassfied Tailings Filling for Extra-large Mined-out Spacies ^SinoSteel Maanshan Institute of Mining Research Co., Ltd *Dongguashan Copper Mine China
*Wang jie, *Yang chao, *Chu daozhong, *Zhang jun, ^Guo Shulin, "Wang hongwu3 A new method for test the resistance loss in pipeline transportation of paste filling slurry *Shandong University of Technology ^Changchun Gold Research Institute "Hunan Style Technology Co., Ltd P.R China
H Saw and E Villaescusa Research on the mechanical properties of mine fill: Influences of material particle size, chemical and mineral composition, binder and mixing water Western Australian School of Mines Australia
*Sijing Cai, *Di Wu, ^Wenxiao Wang2, *Peng Yang Three fill stoping methods designed to prevent ground water inrush at the Baixiangshan iron mine, China *University of Science and Technology Beijing ^Gushan Mining Company, Ma-Steel Group China
*M F Kermani, *F P Hassani, ^I Isagon, "M Nokken Investigation into mechanical & microstructural properties of Gelfill *McGill University ^Vale, Ontario Operations, Nickel, Copper Cliff "Concordia University Canada
P Kluge The Impact of the Use of Backfill on the Mine Design Process in Deep Narrow Tabular Platinum Mines Hatch South Africa
*ZHAO Guo-yan, *LI-Xi-bing, ^YAO Jin-rui, *LIU Zhi-xiang, *LI Di-yuan , *PENG-Kang, *LIU-Qiang Cemented filling mining techniques using phosphorus chemical wastes *Central South University, School of Resource and Safety Engineering ^Guizhou Kailin Group Co., LTD China
Jian-jun Wang, Bin Yu, Xin-qi Xu System Design and Application Research on Underground Backfill Plant Beijing General Research Institute of Mining & Metallurgy P.R China
WANG Xin-min,ZHANG De-ming,ZHANG Qin-li Abrasion Mechanism and Form of Backfilling Drill-hole Pipelines in Deep Mine Central South University China
J S Kuijpers Regional support solutions for deep level mining challenges CSIR South Africa
M Fall and O Nasir Modeling of the Coupled Thermo-Chemo-Mechanical Processes in Cemented Paste Backfill Structures and Application to the Prediction of their Performance University of Ottawa Canada
K T Pearson Applying ASME Code B31.11 Slurry Transportation Piping Systems, an ANSI Standard Hatch Canada
L Nienaber Stable paste fill walls in a large open stope at Sunrise Dam Gold Mine Anglogold Ashanti Australia
Maureen McGuinness and Robert Cooke
Pipeline wear and the hydraulic performance of pastefill distribution systems: the Kidd Mine experience
Kidd Mine, Xstrata, Canada Paterson & Cooke, USA Canada and USA
*Trent Weatherwax, *Russ Evans, ^Farhan Hafeez The Utilization of Paste Backfill Admixtures at Barrick Gold Mines *Barrick Global Shared Services-Canada ^Barrick Kanowna Bell Mine - Australia Canada and Autralia
F R P Pienaar and M Howell A unique way of containing backfill Mining ProductDevelopments (Pty) Ltd  
*Arash Zarrasi, *Ferri Hassani, *Jan Nesset, *Frank Rosenblum, ^Ike Isagon Self-heating and mitigating methods for mine fill * McGill University ^Vale, Copper Cliff Canada
R Smart (presented by Mr O'Connor) Use of the FILLSET System for Backfilling with Gold and Platinum Mine Tailings Minova South Africa
*J Jofre, ^A G Grice, *W Bamford, "J Styles , Variability reduction for hydraulic fill conductivity measured in laboratory *University of Melbourne ^AMC Consultants Pty Ltd "University of Melbourne Australia
S A Ghoreishi Madiseha, F P Hassanib, A Mohammadianc and F Abbasy Development of a numerical model for heat transfer in mine backfill    
*S Dutta and ^A G Grice Mining with Backfill at Rajpura Dariba Mine *Production, Rajpura Dariba Mine ^AMC Consultants India Australia
Timo Pekkala and liris Kuosmannen Case Study: developing cemented hydraulic mine fill at Pyhasalmi mine Pyhasalmi mine Finland
*Matthew Helinski, ^David Wines, *Mathew Revell, ^David Sainsbury Critical Factors Influencing the Capacity of Arched Fibrecrete Bulkheads and Waste Rock Barricades *Revell Resources ^Itasca Australia Australia
*K Rich and "D Antonov Paste fill for stope stability at the challenger cold mine *Boddington Gold Mine, "South Dakota School of Mines Australia USA
*Y S Betty Lin, *Ken Pearson, ^Ed Elkjer Protection lining of the paste backfill borehole at the HBMS 777 mine *Hatch ^UPS Canada
S Wilson and T Fetherstonhaugh Benefits of Paste Aggregate Fill Golder Paste Technology (Europe) Ltd. United Kingdon
R Kersten Mining with backfill at Nkomati mine, a case study Indepedant Consultant South Africa
S Manaras, E De Souza and J F Archibald Strength Behaviour and Failure Mechanisms of Backfill - Rock Mass Interfaces Queen’s University Australia
K Kuganatha Reclaimed Tailings Pastefill Production at Xstrata George Fisher Mine - Operational Challenges and Solutions Xstrata Copper Australia
Euler De Souza Unique Backfill Design Methodologies Using Centrifuge Technology Queens University Canada
Jan Palarski & Grzegorz Strozik Integrating backfill technology with Underground Gasification of Coal Silesia University of Technology Poland
Dimitre Antonov The behavior of paste fill under dynamic loading and prediction of backfill and backfill stope failure risk in underground methods South Dakota School of Mines, USA USA
*Charles Katongo, *Justin Chola and ~Ackim Mutawa Backfill Practice at Konkola Mine, Chililabombwe, Zambia *Konkola Mine, KCM ~Nchanga Mine, KCM Zambia
*Matt Treinen and *Robert Cooke, ^Bill Hasz, ^Guy Jeske Paste Backfill Design Case Study – Idaho Cobalt Project *Paterson & Cooke ^Formation Capital *USA ^Canada
*Rob Brown and **Isaac Ahmed Backfilling on a Budget - low capital paste backfill injection for small mines or brownfield site remediation *Paterson & Cooke **Golder Paste Technology Canada
Peter Goosen, Hartmut Ilgner,
Stanford Dumbu
Settlement in backfill pipelines: Its causes and a novel online detection method Paterson & Cooke Consulting Engineers (Pty) Ltd, South Africa CSIR Stoner (Pty) Ltd, South Africa South Africa
Natalie Killassy, Leon Dison, Backfill-based gully support system and experience with quality control procedures Stitch-Wise (Pty) Ltd Reinforced Earth (Pty) Ltd South Africa
P C Pretorius, JS Mahlaba
U Nzotta, S Hareeparsad
Fundamental research on brine based fly ash pastes for underground disposal Sasol South Africa
John James and and N Malitino The evolution of mining and support strategies with increasing depth and other factors at Black Mountain Celtis Geotechnical and Black mountain South Africa
S Murphy Review of backfill in deep level seismeically hazadous Anglogold Ashanti South Africa
H J Roski, W Schauenburg, J Pier Backfilling technologies for special conditions in a final repository of radioactive residues DMT GmbH & Co.KG Germany
H Marx, D Lack and T Fliß Backfilling and Pillar Re-Mining in Potash Industry K-UTEC AG Salt Technologies, Sondershausen Germany
S B Streuders Rock Engineering related experiences with the use of backfill on the deepest platinum mine Northam Platinum Ltd South Africa
Rob Bradley   Cementation  
William Joughin   SRK  
Zhang Muyi Tian Zhigang Tan Jun Study and Application of Filling Technology for a New Material of High-Property Foaming Tailings in Fankou Lead-Zinc Mine Shenzhen Zhongjin Lingnan Nonfemet Co.,Ltd China