Author:Kirsten, JTDate:Jul 1994The primary objective of this work is to assess the feasibility of reliably simulating the coal dust explosion process taking place in the Kloppersbos tunnel with a computer model. Secondary objectives are to investigate the viability of ...Read more
Author:Holding, WDate:Sep 1994A statistical review is given of the frequency of fires and flammable gas ignitions in South African underground coal mines, both on a simple numerical basis and in relation to underground coal production, for the years 1970-1992.previously ...Read more
Author:Meyer, CF; Doyle, BA; Philips, HRDate:Sep 1994A working party under the auspices of the GME developed a set of guidelines for the ventilating of headings in collieries developed by mechanical miners. These guidelines also made provision for the used of jet fans. Because of the lack of ...Read more
Author:Rust, FC; Vos, RM; Myburgh, PA; Maree, JHDate:Oct 1994Technologies developed at the CSIR as part of the Sabita ARP research programme over the last five years have been implemented successfully in a number of instances. Significant benefits (tangible as well as intangible) have accrued to the ...Read more
Author:De Kock, TJ; Joubert, ZF; Verhaeghe, Benoit MJA; Rust, FCDate:Oct 1994The degree to which a road is capable of accommodating traffic is dependent on functionality and economics. The higher the traffic the greater the challenge. Porous asphalt is currently one of the best alternatives to meet functionality ...Read more
Author:Coetser, K; Strauss, P; Rust, FC; Vos, RMDate:Oct 1994Research on Heavy Duty Asphalt Pavements [HDAPs] was conducted by the CSIR Division of Roads and Transport Technology on behalf of the South African Bitumen and Tar Association [SABITA]. This research soon focused on Large Aggregate Mixes for ...Read more
Author:Grobler, JE; Rust, FC; Vos, RMDate:Oct 1994Granular Emulsion Mixes (GEMS) are used in a wide range or road applications, ranging from low volume roads in developing areas to freeways in developing urban areas. In this paper a dual design approach for granular emulsion mixes (GEMS) is ...Read more
Author:Horak, E; Hagemann, D; Rust, FC; Heerden, CDate:Oct 1994Research on Heavy Duty Asphalt Pavements [HDAPs] was conducted by the CSIR Division of Roads and Transport Technology on behalf of the South African Bitumen and Tar Association [SABITA]. This research soon focused on Large Aggregate Mixes for ...Read more
Author:Horak, E; Verhaeghe, Benoit MJA; Rust, FC; Van Heerden, CDate:Oct 1994Roads with high traffic volumes are synonymous with high road related noise levels. In Johannesburg road related noise pollution is recognised as a negative environmental impact. The Noise Pollution Unit of Johannesburg City Council regularly ...Read more
Author:Rust, FC; Harvey, JT; Verhaeghe, Benoit MJA; Noakes, W; Van Kirk, JDate:Oct 1994The Californian Department of Transportation commissioned a pilot project to evaluate the potential of the Heavy Vehicle Simulator (HVS) for conduction pavement studies. The effect of channelisation of traffic on the rutting behaviour of a ...Read more
Author:Verhaeghe, Benoit MJA; Rust, FC; Airey, GD; Vos, RMDate:Oct 1994As part of a study conducted for Sabita on Heavy Duty Asphalt Pavements (HDAPs), the CSIR Division of Roads and Transport Technology developed a comprehensive and practical mix design method for large-aggregate mixes. In this paper, a framework ...Read more
Author:Verhaeghe, Benoit MJA; Rust, FC; Vos, RM; Visser, ATDate:Oct 1994In view of the increasing traffic volumes in South Africa and especially with regard to the impact of that on noise pollution and wet-weather accident rates in urban areas, the Southern African Bitumen and Tar Association expressed a need for ...Read more
Author:Airey, GD; Rust, FC; Verhaeghe, Benoit MJADate:Oct 1994Elastic recovery of a binder is one of the properties which is used to control the quality of the binder in road construction. The laboratory equipment used to determine elastic recovery is generally too expensive and bulky for standard usage ...Read more
Author:Schutte, PC; Kielblock, AJ; Marx, HEDate:Nov 1994The present report presents the findings of SIMRAC project GAP 045 entitled ‘Heat stress protection in abnormally hot environments’. It is intended as a reference to develop guidelines which, in turn would assist mine management in establishing ...Read more
Author:Eve, R; Gay, NCDate:Nov 1994This report discusses the important aspects of the analysis of most rock engineering problems caused by the joint behaviourRead more
Author:Phillips, HR; Gouws, MJDate:Jan 1995The objective of this research project was to review methods of overcoming the disorientation of underground mine workers following an explosion or severe fire. The results of this project indicate that different strategies may be required ...Read more
Author:Adams, DJDate:May 1995Literature and industry surveys were invaluable in establishing the presently used methods and experienced in designing bracket pillars. Example of successful and unsuccessful brakect pillars adjacent to dykes and faults were collected for ...Read more
Author:Stacey, TRDate:Jul 1995Knowledge of the in situ state of stress in a rock mass is essential for the proper planning and design of mine layouts to optimise stability and safety of mining operations. The in situ state of stress in a rock mass can be determined by ...Read more
Author:Oberholzer, JW; Thorpe, LDate:Aug 1995The 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 accidentsRead more
Author:Du Plessis, JL; Brandt, MP; Vassard, PSDate:Sep 1995This 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 facilityRead more