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Proceedings Papers

Developing a Severity Index to account for seismic induced damage in a deep level mine

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J.P. Gouvea, M. du Plessis
Paper presented at the ISRM IX Latin American Rock Mechanics Symposium, October 16–19, 2022
Paper Number: ISRM-LARMS-2022-25
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View Paper titled, Developing a Severity Index to account for seismic induced damage in a deep level mine
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Proceedings Papers

Evaluating the Behaviour of Stiff Polymer-Modified Cementitious Thin Spray-on Liners from Small and Large Scale Testing

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M. du Plessis
Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-124
https://doi.org/10.1088/1755-1315/833/1/012125
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View Paper titled, Evaluating the Behaviour of Stiff Polymer-Modified Cementitious Thin Spray-on Liners from Small and Large Scale Testing
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Proceedings Papers

The Importance of Support Characteristics to Control Large Scale UG2 Hangingwall Stability

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M du Plessis, S. Liebenberg
Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-195
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View Paper titled, The Importance of Support Characteristics to Control Large Scale UG2 Hangingwall Stability
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Proceedings Papers

The Effect of Alteration layers on UG2 Pillar Behaviour in the Bushveld Complex

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A. G. Hartzenberg, M. Du Plessis, D. F. Malan
Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-278
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View Paper titled, The Effect of Alteration layers on UG2 Pillar Behaviour in the Bushveld Complex
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Proceedings Papers

Manuel Rocha Medal Recipient: The Design and Behaviour of Crush Pillars on the Merensky Reef

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M. du Plessis
Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-260
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View Paper titled, Manuel Rocha Medal Recipient: The Design and Behaviour of Crush Pillars on the Merensky Reef
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Proceedings Papers

Investigating the Mechanism Contributing to Large Scale Structurally Driven Hangingwall Instabilities on the UG2 Reef Horizon

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A. G. Hartzenberg, M. du Plessis
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2018, May 22–26, 2018
Paper Number: ISRM-EUROCK-2018-033
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View Paper titled, Investigating the Mechanism Contributing to Large Scale Structurally Driven Hangingwall Instabilities on the UG2 Reef Horizon
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Proceedings Papers

The Effect of Rock Mass Stiffness on Crush Pillar Behaviour

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M. du Plessis, D. F. Malan
Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2018, May 22–26, 2018
Paper Number: ISRM-EUROCK-2018-121
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View Paper titled, The Effect of Rock Mass Stiffness on Crush Pillar Behaviour
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Proceedings Papers

Unravelling the Structural Mysteries of the ‘Bermuda Triangle’ at Lonmin’S Saffy Shaft

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A. G. Hartzenberg, M. du Plessis, A. E. W. Friese
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-071
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View Paper titled, Unravelling the Structural Mysteries of the ‘Bermuda Triangle’ at Lonmin’S Saffy Shaft
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Proceedings Papers

The Influence of Geological Structures - An Often-Overlooked but Important Aspect Affecting the Stability of Operating Mines

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G. C. More O'Ferrall, M. du Plessis
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-072
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View Paper titled, The Influence of Geological Structures - An Often-Overlooked but Important Aspect Affecting the Stability of Operating Mines
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Proceedings Papers

Mining With Crush Pillars

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M. du Plessis, D. F. Malan
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-010
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View Paper titled, Mining With Crush Pillars
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Proceedings Papers

Structurally-Related Hangingwall Alterations Contributing to UG2 Stope Instabilities at Lonmin

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A. G. Hartzenberg, M. du Plessis, A. E. W. Friese
Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-161
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View Paper titled, Structurally-Related Hangingwall Alterations Contributing to UG2 Stope Instabilities at Lonmin
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Proceedings Papers

The Behaviour of Merensky Crush Pillars as Measured at a Trial Mining Site

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M. du Plessis, D. F. Malan
Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-115
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View Paper titled, The Behaviour of Merensky Crush Pillars as Measured at a Trial Mining Site
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Proceedings Papers

Rock Mass Instability Associated with the Formation of Regional Geological Structures along the Bushveld Complex as Encountered during the Extraction of the UG2 Chromitite Layer at Lonmin PLC

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M. du Plessis, A. Hartzenberg, G. More O’Ferrall
Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-185
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View Paper titled, Rock Mass Instability Associated with the Formation of Regional Geological Structures along the Bushveld Complex as Encountered during the Extraction of the UG2 Chromitite Layer at Lonmin PLC
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Proceedings Papers

Assessing the Behaviour of Merensky Reef Crush Pillars

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M. du Plessis, D. F. Malan
Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-177
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View Paper titled, Assessing the Behaviour of Merensky Reef Crush Pillars
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Proceedings Papers

Evaluation of Pillar Width on Crush Pillar Behavior using a Limit Equilibrium Solution

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M. du Plessis, D. F. Malan
Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-116
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View Paper titled, Evaluation of Pillar Width on Crush Pillar Behavior using a Limit Equilibrium Solution
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Proceedings Papers

The Simulation of Crush Pillar Behaviour In the Tabular Layouts of the Bushveld Complex

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M. du Plessis, D. F. Malan
Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-066
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View Paper titled, The Simulation of Crush Pillar Behaviour In the Tabular Layouts of the Bushveld Complex
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Proceedings Papers

A New Approach to Simulate Crush Pillar Behaviour in a Tabular Layout

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M. du Plessis, D.F. Malan
Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-270
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View Paper titled, A New Approach to Simulate Crush Pillar Behaviour in a Tabular Layout
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