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Browsing by Subject "South African mines"

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The effect of size-selective samplers (cyclones) on XRD response

Author: Pretorius, CJ Date: Jul 2011 The study evaluated five size-selective samplers used in the South African mining industry to determine how their performance affects the X-ray powder diffraction (XRD) response when respirable dust samples are analysed for quartz using ... Read more
Evaluation of diesel particulate matter sampling techniques

Author: Pretorius, CJ ; Grove, T Date: Sep 2011 The study evaluated diesel particulate matter (DPM) sampling methods used in the South African mining industry. The three-piece cassette respirable, open face and stopper sampling methods were compared with the SKC DPM cassette method to find ... Read more
Functional specifications for in-stope support based on seismic and rockburst observations in South African mines

Author: Durrheim, RJ Date: Mar 2012 Rockbursts pose a significant risk to workers in deep gold and platinum mines in South Africa. In-stope support systems are one of the measures used to mitigate the risk. Over the last two decades several new technologies have been introduced, ... Read more
History of endeavours to mitigate the rockburst risk in South African mines

Author: Durrheim, RJ ; Riemer, KL Date: Apr 2012 Gold was discovered near present-day Johannesburg in 1886. Mining-induced seismicity was first encountered in the early 1900s when extensive stopes reached depths of several hundred meters. The State appointed committees in 1908, 1915, 1924, ... Read more
Mapping seismic vulnerability in stopes in deep South African gold mines

Author: Durrheim, RJ ; Kuijpers, J ; Henry, G ; Brink, AVZ ; Kagezi, B ; Ferreira, G ; Teleka, Ruth ; Milev, A ; Ogasawara, H ; Ward, A ; Wienand, J Date: Sep 2013 The project “Observational studies in South African mines to mitigate seismic risks” has established research sites in three deep gold mines, Cooke 4 Shaft, KDC West and Moab Khotsong. Observations are focused on three regions: (i) the target ... Read more
Particle-capturing performance of South African non-corrosive samplers

Author: Pretorius, CJ Date: Oct 2011 In view of the international drive to eliminate silicosis, it is critical that reliable and consistent results are obtained from respirable dust sampling and analysis so that effective control measures can be implemented on mines. Two locally ... Read more
Software tool for managing rock related hazards in South African mines.

Author: Brink, AVZ ; Hagan, TO Date: Mar 2002 The objective of the project was to develop a software tool for the assessment of rock engineering (RE) risk based on the concept proposed in GAP 608 and to evaluate the software with real mine data from a deep level gold mine and a platinum mine. Read more

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Browsing by Subject "South African mines"

Browsing by Subject "South African mines"

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