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Alternative inerting agents

Author: Du Plessis, JJL Date: Aug 1997 This project was launched to determine whether other inert material might be suitable to replace or complement the stone dust. The materials investigated were two different types of fly ash, two types of stone dust, water and calcium sulphate Read more
Analysis of rockburst and rockfall accidents in relation to class of stope support, regional support, energy of seismic events and mining layout

Author: Cichowicz, A Date: Jan 1994 This report discusses the assessment of safety risk and the analysis of Falls Of Ground (FOG) in mines due to seismic events and mining layout during the period of 1991-1992 on a single mine. The multivariate analysis was used to obtain a ... Read more
Application of a routine moment tensor inversion capability in the development of a new design consideration for the stability of foundations of stabilising pillars in deep level gold mines and pillars in intermediate depth hard rock mines

Author: Linzer, LM ; Watson, BP ; Kuijpers, JS ; Acheampong, E Date: Mar 2002 Results of SIMRAC project GAP 223 showed that stabilizing pillar-related back area seismicity was not related to the width of the pillar, nor to the dip spans of the stopes supported by the pillar. Pillar associated seismicity initiated in ... Read more
Application of indirect stress measurement techniques (non strain gauge based technology) to quantify stress environments in mines

Author: Stacey, TR ; Wesseloo, J Date: Mar 2002 Reliable values of in situ stress are essential for the valid modelling of mine layouts. Available non-strain gauge methods are reviewed as potential practical techniques for South African mines. From this review it is concluded that the most ... Read more
Assess the dominant circumstances and factors giving rise to accidents in the gold and platinum mining industries

Author: Ashworth, SGE ; Peake, AV Date: Mar 1994 This report summarises both the statistical analysis of accident data and detailed accident case studies in attempt to make a complete conclusions of what causes the accidents in gold and platinum mines. And also discusses the recommendations ... Read more
Assessment of explosion barriers

Author: Du Plessis, JL ; Brandt, MP ; Vassard, PS Date: Sep 1995 This report summarises the test work which has been completed on the comparison of different types of stoop flame propagation of coal dust explosions in a 200 m gallery. The research was conducted at kloppersbos research facility Read more
Assessment of refuge bay designs in collieries

Author: Oberholzer, JW Date: Jan 1997 The original output of this project was directed at reassessing the survival strategy following colliery explosions and fires. With regard to explosions, problems were experienced with delivering the outputs with regard to strength requirements ... Read more
Assessment of the most significant causes of transportation and machinery accidents on collieries

Author: Oberholzer, JW ; Thorpe, L Date: Aug 1995 The purpose of this study is to identify those areas, classified according to the SAMRASS data base system under the codes relating to underground transport and machinery type accidents that give cause to the greatest amount of accidents Read more
Audit of SIMRAC project GAP 017

Author: Spottiswoode, SM Date: Jun 1997 The annual reports of 1993 and 1994 and the final project report, marked DRAFT and dated April 1996, were used as a measure of the work done under GAP017. The reports were assessed on their own merit and according to the GAP017 project proposal ... Read more
Bagged stone dust barrier evaluations in a bord and pillar mine

Author: Du Plessis, JJL ; Weiss, ES ; Cashdollar, KL Date: May 2000 The prime objective of this report was to evaluate single bag performance at various positions in the gallery when exposed to different explosions. These methane explosions varied in strength and position to generate varied explosion pulses ... Read more
Booklet on behavioural causes and remedies associated with transportation accidents

Author: Krige, PD Date: Aug 2003 The purpose of this booklet is to make a contribution towards improving safety standards in underground transportation. Its scope is limited to horizontal track-bound transportation on gold and platinum mines and its emphasis is on learning ... Read more
Catalogue of best practices for the ropes and winders of deep shaft sinking operations

Author: Van Zyl, M ; Hecker, F Date: Nov 1998 The primary purpose of the catalogue of best practices is to ensure the safety of the winding ropes. It therefore addresses aspects that will influence rope loads, rope strength, rope deterioration and the condition assessment of the winding ... Read more
Causes of falls of roof in South African collieries

Author: Van der Merwe, JN ; Van Vuuren, JJ ; Butcher, R ; Canbulat, I Date: Aug 2001 The main objective of this research was to determine the causes of falls of roof in South African collieries. Sixteen major roof falls were investigated in detail and their causes established. This data was supplemented by mapping a large ... Read more
Coal pillar design procedures

Author: York, G ; Canbulat, I ; Jack, BW Date: Mar 2000 Examination of collapsed pillar cases outside of the empirical limits of Salamon and Munro’s in situ database has highlighted the need for additional parameters to be considered in the design of coal pillars. These include the influence of ... Read more
COL816: Develop specifications for a portable counting seismometer to be implemented routinely in mines underground

Author: Lynch, RA Date: Jun 2002 The SIMRAC project COL816 investigated the feasibility of a small, independent device monitoring local seismicity and extracting similar activity information to what can be recorded by a temporary network of seismometers. To do this seismic ... Read more
Collation of historical occupational health and accident data in the South African mining industry

Author: Guild, R ; Stanton, DW Date: Jul 2003 This project was designed to assemble historical material that was not easily accessible and publish it in an electronic format. Literature searches were undertaken on the Internet, various libraries (public and private) were visited and ... Read more
Conceptual development of a method to determine the principal stresses around coal mine workings to ensure safe mine design

Author: Coetzer, S Date: Jun 1997 The objective of this project is to identify or to develop methods or procedures for the determination of the principal stresses in coal mine workings, which in turn would provide improved criteria for mine design layouts in coal mines. To ... Read more
Coupling systems and designs in use in the Gold and Platinum sector

Author: Van der Walt, PG ; Naude, J ; Lubbe, SW ; Hutcheson, PJ ; Meyer, JP ; Spencer, KC Date: Nov 2000 One of the findings of SIMRAC Project GAP 520 dated March 1999 ('Investigate safety of rail vehicles and systems operating in South African gold mines') was that about 20% of accidents involving locomotives and rolling stock were during ... Read more
Critically evaluate techniques for the in situ testing of steel tendon grouting effectiveness as a basis for reducing fall of ground injuries and fatalities

Author: Kelly, AM ; Jager, AJ Date: Oct 1996 The quality of installation and grouting of rock reinforcing tendons is seen as a serious problem by the mining industry. Up to half of all full-column grouted steel tendons or rock bolts installed in South African gold and platinum mines are ... Read more
Current practice and guidelines for the safe design of water barrier pillars

Author: Rangasamy, T ; Leach, AR ; Van Vuuren, JJ ; Cook, AP ; Brummer, R Date: Aug 2001 The primary output of the project was the design of an easy to use guidebook that will enable the end user to simply and quickly estimate the optimum hydraulic barrier pillar width using water management criteria applicable to the mines. Read more

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