Výsledky vyhledávání - "van der Merwe, J.N."

Update of coal pillar strength formulae for South African coal using two methods of analysis

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 113, Issue: 11, Pages: 841-847, Published: NOV 2013

The pioneers in the field of coal pillar strength in South Africa were M.D.G. Salamon and A.H. Munro, who preferred to use statistical back-analysis of failed and intact pillars to determine the pillar strength, and Z.T. Bieniawski, whose attempt was

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::8d13f3cb28118357a34bbcd1f7481cce
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532013001100009&lng=en&tlng=en

Zobrazit plný text záznamu

Probability of failure of South African coal pillars

Autor: van der Merwe, J.N., Mathey, M.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 113, Issue: 11, Pages: 849-857, Published: NOV 2013

Following the Coalbrook disaster in 1960, research into coal pillar strength resulted in the adoption of the concept of a safety factor in the design of stable pillars in South African coal mining. The safety factor on its own can be regarded as only

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::7a2a197a2a0409980ad01f47102c3dd3
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532013001100010&lng=en&tlng=en

Zobrazit plný text záznamu

Update of coal pillar database for South African coal mining

Autor: van der Merwe, J.N., Mathey, M.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 113, Issue: 11, Pages: 825-840, Published: NOV 2013

Following the Coalbrook disaster in 1960, research into coal pillar strength resulted in the adoption of the concept of a safety factor for the design of stable pillars in South African coal mining. At the time when the original statistical analysis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::c4aaf06d23271f8978e13fbb81539940
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532013001100008&lng=en&tlng=en

Zobrazit plný text záznamu

President´s corners

Autor: van der Merwe, J.N.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 112, Issue: 8, Pages: 01-01, Published: JAN 2012

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::8ee56a00cbcc1620b35b51af7c78088a
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532012000800002&lng=en&tlng=en

Zobrazit plný text záznamu

Foreword: Well done Tukkies!

Autor: van der Merwe, J.N.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 111, Issue: 12, Pages: VI-VI, Published: DEC 2011

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::b17065d0f748eb75ed172156d4bbf2cc
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532011001200002&lng=en&tlng=en

Zobrazit plný text záznamu

Future of the South African mining industry and the roles of the SAIMM and the Universities

Autor: van der Merwe, J.N.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 111, Issue: 9, Pages: 581-592, Published: SEP 2011

The current state of the South African mining industry is briefly reviewed from the point of view of an engineer not schooled in the finer details of predictive economics. Based on the assumption that current world exploration targets are indicative

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::48c3e0756b72f49a38c7754873d544e6
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532011000900001&lng=en&tlng=en

Zobrazit plný text záznamu

The development of a comprehensive, practical, and integrated management method for the South African mining industry

Autor: Stone, J.D., van der Merwe, J.N.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 110, Issue: 8, Pages: 457-467, Published: AUG 2010

This paper briefly reviews the adequacy of existing management theories and practices and the managerial proficiency or competency in the South African mining industry. The investigation revealed that existing management practices are totally inadequ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::e460bb6a9f8ef409a768436c2d5dc2ec
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532010000800005&lng=en&tlng=en

Zobrazit plný text záznamu

Akademický článek

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

Akademický článek

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

Vyhledávací nástroje:

Upřesnit hledání