| New pillar strength formula for South African coal JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 103 (5 …, 2003 | 73 | 2003 |
| Rock engineering for underground coal mining: A practical guide for supervisors at all levels, mine planners and students JN Van der Merwe, BJ Madden, P Buddery South African institute of Mining and Metallurgy, 2002 | 59 | 2002 |
| Predicting coal pillar life in South Africa JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 103 (5 …, 2003 | 40 | 2003 |
| Fracturing of an Euler–Bernoulli beam in coal mine pillar extraction CP Please, DP Mason, CM Khalique, JMT Ngnotchouye, AJ Hutchinson, ... International Journal of Rock Mechanics and Mining Sciences 64, 132-138, 2013 | 37 | 2013 |
| Revised strength factor for coal in the Vaal Basin JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 93 (3), 71-77, 1993 | 35 | 1993 |
| Beyond Coalbrook: what did we really learn? JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 106 (12 …, 2006 | 33 | 2006 |
| Update of coal pillar database for South African coal mining JN Van der Merwe, M Mathey Journal of the Southern African Institute of Mining and Metallurgy 113 (11 …, 2013 | 32 | 2013 |
| A laboratory investigation into the effect of specimen size on the strength of coal samples from different areas JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 103 (5 …, 2003 | 30 | 2003 |
| Development of a method to estimate coal pillar loading DP Roberts, JN Van der Merwe, I Canbulat, EJ Sellers, S Coetzer | 27 | 2002 |
| Update of coal pillar strength formulae for South African coal using two methods of analysis JN Van der Merwe, M Mathey Journal of the Southern African Institute of Mining and Metallurgy 113 (11 …, 2013 | 25 | 2013 |
| Causes of falls of roof in South African collieries JN Van der Merwe, JJ Van Vuuren, R Butcher, I Canbulat | 24 | 2001 |
| Probability of failure of South African coal pillars JN Van der Merwe, M Mathey Journal of the Southern African Institute of Mining and Metallurgy 113 (11 …, 2013 | 23 | 2013 |
| Critique of the South African squat coal pillar strength formula M Mathey, JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 116 (3 …, 2016 | 22 | 2016 |
| South African coal pillar database JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 106 (2 …, 2006 | 22 | 2006 |
| Design of optimum roof support systems in South African collieries using a probabilistic design approach I Canbulat, JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 109 (2 …, 2009 | 20 | 2009 |
| Future of the South African mining industry and the roles of the SAIMM and the universities JN Van der Merwe Journal of the Southern African Institute of mining and metallurgy 111 (9 …, 2011 | 19 | 2011 |
| Practical coal mining strata control: a guide for managers and supervisors at all levels JN Van der Merwe Itasca Africa, 1998 | 19 | 1998 |
| Fundamental analysis of the interaction between overburden behaviour and snook stability in coalmines JN Van der Merwe Journal of the Southern African Institute of Mining and Metallurgy 105 (1 …, 2005 | 14 | 2005 |
| Unit cost-functions for value estimation of waterborne sewer infrastructure AJ Bester, HE Jacobs, J Van Der Merwe, M Fuamba WISA 2010 Conference Proceedings, 2010 | 13 | 2010 |
| In situ investigation into the causes of falls of roof in South African collieries JN Van der Merwe Proceedings of the 20th International Conference on Ground Control in Mining …, 2001 | 13 | 2001 |
