- Drivers (extraction ratios, safety, technical, financial, legal, mine closure)
- Rockmass integration with minefill (hard and soft rock, cemented and uncemented backfill)
- Preperation (mine and industrial waste materials, binders, chemicals)
- Pipeline transportation (gravity-assisted flow, wear transient pressures)
- Placement (integration with mining cycles, bulk heads, drainage, strength development, seismic resilience)
- Modelling (geomechanics, in situ and laboratory behaviour)
- 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 Chairman 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 Chairman: 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 Chairman: 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 Chairman: 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 Chairman: 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 Chairman: 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 Chairman: 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 Chairman: 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 Chairman: 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 Chairman: 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 backfillsSession Chairman: 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 Chairman: 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 Chairman: 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 |
|