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CATEGORIES:Workshops and Course dates
CREATED:20260121T110303
SUMMARY:SANIRE Coal Mine Pillar Design Workshop
LOCATION:Birchwood Conference Centre
DESCRIPTION:<p>&nbsp;<img src="images/stories/News/SANIRE_Coal_Mine_Pillar_Design_Works
 hop_Banner_V2_20260128.jpg" alt="SANIRE Coal Mine Pillar Design Workshop Ba
 nner V2 20260128" width="1920" height="790" /></p><p>&nbsp;</p><p style="te
 xt-align: center;"><span class="blue_button"><a href="https://events.mm3.co
 .za/Event/?Id=3d7293b6-6bfb-47e4-862c-3af26b6487cc&amp;eventId=33806#dvtop"
  target="_blank" rel="noopener">REGISTER HERE</a><span></span></span></p><d
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  center;"><a href="https://za.chryso.com/" target="_blank" rel="noopener"><
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 O RGB Green 002" width="323" height="141" data-alt="Videx Logo" /></a></td>
 </tr><tr><td style="width: 20%; text-align: center;"><img src="images/logos
 /rockcrete.jpg" alt="Rockcrete Logo 2025 Alternative" width="400" height="4
 00" data-alt="Videx Logo" /></td><td style="width: 20%; text-align: center;
 "><a href="https://www.sts3d.co.za/" target="_blank" rel="noopener"><img sr
 c="images/logos/sts_3d_logo.png" alt="sts 3d logo" width="400" height="400"
  data-alt="Videx Logo" /></a></td><td style="width: 20%; text-align: center
 ;">&nbsp;</td><td style="width: 20%; text-align: center;">&nbsp;</td><td st
 yle="width: 24%; text-align: center;">&nbsp;</td></tr></tbody></table><div>
 <hr style="border: none; border-top: 10px solid gray;" /><br />&nbsp;<stron
 g><span class="">SPEAKER</span></strong></div><div>&nbsp;</div><div class="
 "><span class=""></span></div><div style="overflow: auto; margin-bottom: 20
 px; clear: both;"><img src="images/stories/Nielen-vd-Merwe.jpg" alt="" widt
 h="120" height="180" style="width: 120px; height: 150px; object-fit: cover;
  margin-right: 15px; margin-bottom: 10px; border-radius: 8px; float: left;"
  data-alt="Nielen vd Merwe" /><strong>Professor Nielen van der Merwe<br /><
 br /></strong>Professor Nielen van der Merwe has been in the mining industr
 y for 50 years, with 27 years directly in practice and 23 years in a combin
 ation of research and practice as a consultant. He is the author of two boo
 ks and 90 other publications. He has been awarded the SAIMM Gold Medal for 
 4 papers and Silver Medal once and the Salamon Award twice. He was Head of 
 the Mining Engineering Department of the University of Pretoria and incumbe
 nt of the Centennial Chair for Rock Engineering at the University of the Wi
 twatersrand.<div><p>His leadership qualities are demonstrated by the fact t
 hat he was the last President of the South African National Group on Rock M
 echanics (SANGORM) and following reconstruction, the first of the South Afr
 ican National Institute of Rock Engineering (SANIRE). In this capacity, he 
 served as the Vice President for Africa of the International Society of Roc
 k Mechanics (ISRM).</p><p>He continued promoting South Africa on the intern
 ational rock stability landscape by becoming President of the ISRM (the fir
 st from Africa), and then President of the Federation of International Geo-
 Engineering Societies FeDIGS). He has been awarded Fellowship of the ISRM a
 nd is Fellow of the South African Academy of Engineering.</p><p>He was Head
  of Mining Engineering at the University of Pretoria and until recently he 
 was a Visiting Professor at the School of Mining Engineering at the Univers
 ity of the Witwatersrand. To him, the most interesting part of rock enginee
 ring is to move beyond the simple concept of a safety factor, and rather ba
 se designs around the concept of time related failure probability. He curre
 ntly operates in consultancy on a limited scale.</p><p>On a personal note, 
 it is almost as if Prof Nielen was destined for a career in rock Engineerin
 g, with minimum input from himself. He was born in the mining village of th
 e Durnacol mine (Dannhauser). Then his paternal grandfather was killed in a
  FOR (Fall Of Rock) accident followed by serious injury in another FOR to h
 is new grandfather. One of his friends was killed in a FOR on a gold mine a
 nd another suffered life-changing injury. He enrolled as a mining student b
 ecause they offered the best bursaries and decided to concentrate on rock e
 ngineering because it fascinated him. It was only after his decision to stu
 dy rock engineering that he became aware of this mining background driven b
 y fate.</p><hr /><div>&nbsp;<b class=""><span class="">BACKGROUND</span></b
 ></div><div>&nbsp;</div><div class=""><b class=""><span class=""></span></b
 ></div><div class=""><span class="">Following the tragic collapse of the Co
 albrook Colliery in 1960, Salamon and Munro published their well-known equa
 tion for pillar strength in 1967. This equation became the statutory basis 
 for coal pillar design and was later adapted for use in hard-rock mines.</s
 pan></div><div>&nbsp;</div><div class=""><span class=""></span></div><div c
 lass=""><span class="">In the years that followed, further collapses occurr
 ed, fortunately without loss of life and the statistical database of collap
 sed pillars used by Salamon and Munro continued to grow. There are now 85 d
 ocumented collapse cases, compared to the 27 available in the 1960s. It als
 o became apparent that not all coal has the same strength. The Vaal Basin, 
 for instance, is notorious for its weak coal. &nbsp;Additional methods of s
 tatistical analysis were subsequently developed. The probability of failure
  was introduced as an indicator of stability, and it became possible to tra
 ck the decay of pillar strength over time.</span></div><div>&nbsp;</div><di
 v class=""><span class=""></span></div><div class=""><span class="">These c
 oncepts, both new developments and refinements of earlier ones, were docume
 nted in several publications. However, until now, there has been no course 
 or workshop that systematically traces the evolution of these equations and
  culminates in the 2019 concept that pillar stability can only be realistic
 ally evaluated by tracking the decay of survival probability over time.</sp
 an></div><div class=""><span class="">The SANIRE Coal Mine Pillar Design Wo
 rkshop aims to fill this gap. Much of the latest work was conducted by Prof
  Nielen van der Merwe, who has since retired but has agreed to present this
  Workshop, an opportunity that is unlikely to be repeated.&nbsp;</span></di
 v><div><hr /></div><p><b class=""><span class="">WHO SHOULD ATTEND</span></
 b></p></div><div>&nbsp;</div><div class=""><span class="">→</span><span cla
 ss="">&nbsp;Rock Engineers</span></div><div class=""><span class="">→</span
 ><span class="">&nbsp;Academics</span></div><div class=""><span class="">→<
 /span><span class="">&nbsp;Consultants</span></div><div class=""><span clas
 s="">→</span><span class="">&nbsp;DMPR Inspectors</span></div><div class=""
 ><span class=""></span></div><div class=""><span class="">Sponsorship oppor
 tunities are available for this event, offering your organisation the chanc
 e to gain visibility, connect with industry leaders, and demonstrate suppor
 t for advancements in coal mine safety.</span></div><div class=""><span cla
 ss=""><br class="" /></span><b class=""><span class="">Companies interested
  in sponsoring this event are kindly requested to contact us for more infor
 mation.</span></b><span class=""><span class=""></span></span><hr /><span c
 lass=""></span></div><div class=""><strong class=""><span class="">FOR FURT
 HER INFORMATION, CONTACT:</span></strong><span class=""></span></div><div c
 lass=""><span class=""><br class="" />Prudence Ntumelang: Administrator<br 
 class="" />Email:</span><span class=""><a href="mailto:prudence@sanire.co.z
 a" class=""> </a><a href="mailto:prudence@sanire.co.za">prudence@sanire.co.
 za</a></span><span class=""><br class="" />Tel: (011) 538 0241<br class="" 
 />Website:</span><span class=""> </span><span class=""><a href="http://www.
 sanire.co.za/" class="">www.sanire.co.za</a></span></div></div></div>
X-ALT-DESC;FMTTYPE=text/html:<p>&nbsp;<img src="https://sanire.co.za/images/stories/News/SANIRE_Coal_Min
 e_Pillar_Design_Workshop_Banner_V2_20260128.jpg" alt="SANIRE Coal Mine Pill
 ar Design Workshop Banner V2 20260128" width="1920" height="790" /></p><p>&
 nbsp;</p><p style="text-align: center;"><span class="blue_button"><a href="
 https://events.mm3.co.za/Event/?Id=3d7293b6-6bfb-47e4-862c-3af26b6487cc&amp
 ;eventId=33806#dvtop" target="_blank" rel="noopener">REGISTER HERE</a><span
 ></span></span></p><div><hr style="border: none; border-top: 10px solid gra
 y;" /><table style="width: 100%; margin-left: auto; margin-right: auto;" ce
 llspacing="5" cellpadding="5"><tbody><tr><td style="width: 20%; text-align:
  center;"><a href="https://videxmining.co.za/" target="_blank" rel="noopene
 r"><img src="https://sanire.co.za/images/logos/Videx_Logo.png" alt="" width
 ="198" height="61" data-alt="Videx Logo" /></a></td><td style="width: 20%; 
 text-align: center;"><a href="https://sebotka.co.za/" target="_blank" rel="
 noopener"><img src="https://sanire.co.za/images/logos/sebotka_logo_blue.png
 " alt="" width="198" height="50" data-alt="sebotka logo blue" /></a></td><t
 d style="width: 20%; text-align: center;"><a href="https://www.mlbconsultin
 g.co.za/" target="_blank" rel="noopener"><img src="https://sanire.co.za/ima
 ges/logos/mlb-logo.jpg" alt="" width="198" height="93" data-alt="mlb logo" 
 /></a></td><td style="width: 20%; text-align: center;"><a href="https://ser
 itiza.com/" target="_blank" rel="noopener"><img src="https://sanire.co.za/i
 mages/logos/seriti.jpg" alt="" width="400" height="400" data-alt="seriti" /
 ></a></td><td style="width: 24%; text-align: center;"><a href="https://www.
 rocscience.com/" target="_blank" rel="noopener"><img src="https://sanire.co
 .za/images/logos/download_4.jpg" alt="" width="198" height="28" data-alt="R
 ocscience logo" /></a></td></tr><tr><td style="width: 20%; text-align: cent
 er;"><a href="https://www.groundwork.co.za/" target="_blank" rel="noopener"
 ><img src="https://sanire.co.za/images/logos/GWK-Logo-JPEG-HR.jpg" alt="" w
 idth="198" height="37" data-alt="GWK Logo JPEG HR" /></a></td><td style="wi
 dth: 20%; text-align: center;"><a href="https://bit.ly/4r8pYBm" target="_bl
 ank" rel="noopener"><img src="https://sanire.co.za/images/logos/1_LogotypeB
 lacksandvik_logotype_black_rgb300_002.jpg" alt="" width="198" height="36" d
 ata-alt="sebotka logo blue" /></a></td><td style="width: 20%; text-align: c
 enter;"><a href="https://www.rockmechanics.co.za/" target="_blank" rel="noo
 pener"><img src="https://sanire.co.za/images/logos/ARMS_logo_updated.jpg" a
 lt="sebotka logo blue" width="258" height="64" /></a>&nbsp;</td><td style="
 width: 20%; text-align: center;"><a href="https://mjmining.com/" target="_b
 lank" rel="noopener"><img src="https://sanire.co.za/images/logos/MJ_Square_
 logo_in_frame_and_line_-_Blue.jpg" alt="MJ Square logo in frame and line - 
 Blue" width="400" height="400" /></a></td><td style="width: 24%; text-align
 : center;"><a href="https://www.sasol.com/" target="_blank" rel="noopener">
 <img src="https://sanire.co.za/images/logos/sasol.png" alt="sasol" width="2
 39" height="117" data-alt="Videx Logo" /></a></td></tr><tr><td style="width
 : 20%; text-align: center;"><a href="https://rscekusasa.co.za/_webmoduledat
 a/Documents/Product-Information-Pourable-Resin-2.pdf" target="_blank" rel="
 noopener"><img src="https://sanire.co.za/images/logos/rocloc2.png" alt="roc
 loc2" width="198" height="88" data-alt="Videx Logo" /></a></td><td style="w
 idth: 20%; text-align: center;"><a href="https://www.carbontech.co.za/" tar
 get="_blank" rel="noopener"><img src="https://sanire.co.za/images/logos/car
 bon_tech.jpg" alt="Carbon Tech" width="400" height="400" data-alt="Videx Lo
 go" /></a></td><td style="width: 20%; text-align: center;"><a href="https:/
 /www.srk.com/en/" target="_blank" rel="noopener"><img src="https://sanire.c
 o.za/images/logos/srk-logo-RGB-pos-HR_002.JPG" alt="srk logo" width="400" h
 eight="68" data-alt="Videx Logo" /></a></td><td style="width: 20%; text-ali
 gn: center;"><a href="https://soillab.co.za/" target="_blank" rel="noopener
 "> <img src="https://sanire.co.za/images/logos/Rocklab.jpg" alt="Rocklab" w
 idth="325" height="96" data-alt="Videx Logo" /></a></td><td style="width: 2
 4%; text-align: center;"><a href="https://za.chryso.com/" target="_blank" r
 el="noopener"><img src="https://sanire.co.za/images/logos/240606_CHRYSO_LOG
 O_RGB_Green_002.png" alt="CHRYSO LOGO RGB Green 002" width="323" height="14
 1" data-alt="Videx Logo" /></a></td></tr><tr><td style="width: 20%; text-al
 ign: center;"><img src="https://sanire.co.za/images/logos/rockcrete.jpg" al
 t="Rockcrete Logo 2025 Alternative" width="400" height="400" data-alt="Vide
 x Logo" /></td><td style="width: 20%; text-align: center;"><a href="https:/
 /www.sts3d.co.za/" target="_blank" rel="noopener"><img src="https://sanire.
 co.za/images/logos/sts_3d_logo.png" alt="sts 3d logo" width="400" height="4
 00" data-alt="Videx Logo" /></a></td><td style="width: 20%; text-align: cen
 ter;">&nbsp;</td><td style="width: 20%; text-align: center;">&nbsp;</td><td
  style="width: 24%; text-align: center;">&nbsp;</td></tr></tbody></table><d
 iv><hr style="border: none; border-top: 10px solid gray;" /><br />&nbsp;<st
 rong><span class="">SPEAKER</span></strong></div><div>&nbsp;</div><div clas
 s=""><span class=""></span></div><div style="overflow: auto; margin-bottom:
  20px; clear: both;"><img src="https://sanire.co.za/images/stories/Nielen-v
 d-Merwe.jpg" alt="" width="120" height="180" style="width: 120px; height: 1
 50px; object-fit: cover; margin-right: 15px; margin-bottom: 10px; border-ra
 dius: 8px; float: left;" data-alt="Nielen vd Merwe" /><strong>Professor Nie
 len van der Merwe<br /><br /></strong>Professor Nielen van der Merwe has be
 en in the mining industry for 50 years, with 27 years directly in practice 
 and 23 years in a combination of research and practice as a consultant. He 
 is the author of two books and 90 other publications. He has been awarded t
 he SAIMM Gold Medal for 4 papers and Silver Medal once and the Salamon Awar
 d twice. He was Head of the Mining Engineering Department of the University
  of Pretoria and incumbent of the Centennial Chair for Rock Engineering at 
 the University of the Witwatersrand.<div><p>His leadership qualities are de
 monstrated by the fact that he was the last President of the South African 
 National Group on Rock Mechanics (SANGORM) and following reconstruction, th
 e first of the South African National Institute of Rock Engineering (SANIRE
 ). In this capacity, he served as the Vice President for Africa of the Inte
 rnational Society of Rock Mechanics (ISRM).</p><p>He continued promoting So
 uth Africa on the international rock stability landscape by becoming Presid
 ent of the ISRM (the first from Africa), and then President of the Federati
 on of International Geo-Engineering Societies FeDIGS). He has been awarded 
 Fellowship of the ISRM and is Fellow of the South African Academy of Engine
 ering.</p><p>He was Head of Mining Engineering at the University of Pretori
 a and until recently he was a Visiting Professor at the School of Mining En
 gineering at the University of the Witwatersrand. To him, the most interest
 ing part of rock engineering is to move beyond the simple concept of a safe
 ty factor, and rather base designs around the concept of time related failu
 re probability. He currently operates in consultancy on a limited scale.</p
 ><p>On a personal note, it is almost as if Prof Nielen was destined for a c
 areer in rock Engineering, with minimum input from himself. He was born in 
 the mining village of the Durnacol mine (Dannhauser). Then his paternal gra
 ndfather was killed in a FOR (Fall Of Rock) accident followed by serious in
 jury in another FOR to his new grandfather. One of his friends was killed i
 n a FOR on a gold mine and another suffered life-changing injury. He enroll
 ed as a mining student because they offered the best bursaries and decided 
 to concentrate on rock engineering because it fascinated him. It was only a
 fter his decision to study rock engineering that he became aware of this mi
 ning background driven by fate.</p><hr /><div>&nbsp;<b class=""><span class
 ="">BACKGROUND</span></b></div><div>&nbsp;</div><div class=""><b class=""><
 span class=""></span></b></div><div class=""><span class="">Following the t
 ragic collapse of the Coalbrook Colliery in 1960, Salamon and Munro publish
 ed their well-known equation for pillar strength in 1967. This equation bec
 ame the statutory basis for coal pillar design and was later adapted for us
 e in hard-rock mines.</span></div><div>&nbsp;</div><div class=""><span clas
 s=""></span></div><div class=""><span class="">In the years that followed, 
 further collapses occurred, fortunately without loss of life and the statis
 tical database of collapsed pillars used by Salamon and Munro continued to 
 grow. There are now 85 documented collapse cases, compared to the 27 availa
 ble in the 1960s. It also became apparent that not all coal has the same st
 rength. The Vaal Basin, for instance, is notorious for its weak coal. &nbsp
 ;Additional methods of statistical analysis were subsequently developed. Th
 e probability of failure was introduced as an indicator of stability, and i
 t became possible to track the decay of pillar strength over time.</span></
 div><div>&nbsp;</div><div class=""><span class=""></span></div><div class="
 "><span class="">These concepts, both new developments and refinements of e
 arlier ones, were documented in several publications. However, until now, t
 here has been no course or workshop that systematically traces the evolutio
 n of these equations and culminates in the 2019 concept that pillar stabili
 ty can only be realistically evaluated by tracking the decay of survival pr
 obability over time.</span></div><div class=""><span class="">The SANIRE Co
 al Mine Pillar Design Workshop aims to fill this gap. Much of the latest wo
 rk was conducted by Prof Nielen van der Merwe, who has since retired but ha
 s agreed to present this Workshop, an opportunity that is unlikely to be re
 peated.&nbsp;</span></div><div><hr /></div><p><b class=""><span class="">WH
 O SHOULD ATTEND</span></b></p></div><div>&nbsp;</div><div class=""><span cl
 ass="">→</span><span class="">&nbsp;Rock Engineers</span></div><div class="
 "><span class="">→</span><span class="">&nbsp;Academics</span></div><div cl
 ass=""><span class="">→</span><span class="">&nbsp;Consultants</span></div>
 <div class=""><span class="">→</span><span class="">&nbsp;DMPR Inspectors</
 span></div><div class=""><span class=""></span></div><div class=""><span cl
 ass="">Sponsorship opportunities are available for this event, offering you
 r organisation the chance to gain visibility, connect with industry leaders
 , and demonstrate support for advancements in coal mine safety.</span></div
 ><div class=""><span class=""><br class="" /></span><b class=""><span class
 ="">Companies interested in sponsoring this event are kindly requested to c
 ontact us for more information.</span></b><span class=""><span class=""></s
 pan></span><hr /><span class=""></span></div><div class=""><strong class=""
 ><span class="">FOR FURTHER INFORMATION, CONTACT:</span></strong><span clas
 s=""></span></div><div class=""><span class=""><br class="" />Prudence Ntum
 elang: Administrator<br class="" />Email:</span><span class=""><a href="mai
 lto:prudence@sanire.co.za" class=""> </a><a href="mailto:prudence@sanire.co
 .za">prudence@sanire.co.za</a></span><span class=""><br class="" />Tel: (01
 1) 538 0241<br class="" />Website:</span><span class=""> </span><span class
 =""><a href="http://www.sanire.co.za/" class="">www.sanire.co.za</a></span>
 </div></div></div>
DTSTAMP:20261007T063456
DTSTART;VALUE=DATE:20260325
DTEND;VALUE=DATE:20260327
SEQUENCE:0
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