Author:Walmsley, RDDate:1988This report presents a rationale to the development of a multi-disciplinary South African wetland research programme. A definition of what is meant by the term wetland is given along with a general description of what types of wetland occur ...Read more
Author:Emslie, IDate:Mar 1997This report presents guidelines to assist local authorities and traffic engineers with a uniform approach to the implementation of speed humps. It is recommended that these guidelines be read in conjunction with The National Guidelines for ...Read more
Author:Emslie, IDate:Mar 1997This report presents guidelines to assist local authorities and traffic engineers with a uniform approach to the design and implementation of mini-roundabouts. It is recommended that these guidelines be read in conjunction with the National ...Read more
Author:De Villiers, MDate:Feb 2011This research project proposes the development of an autonomous, omnidirectional vehicle that will be used for general indoor service applications. A suggested trial application for this service robot will be to deliver printouts to various ...Read more
Author:Von Wolff, WTEDate:1969Three coal samples, with abrasiveness indices of 533, 779 and 142 iron eroded, respectively, were heated 350 C in a current of air to remove carbonaceous material.Read more
Author:Kunstmann, FH; Muller, EFEDate:1957Aluminium oxide , among other substances, is used as a "structural promoter" in iron catalysts. Following method makes possible the determination of the relatively small amounts of aluminium in iron catalysts.Read more
Author:Bonapace, AC; Du Toit, PDate:1976This report aims to investigate coal in its various stages of mechanical handling during the processes of winning, preparation and utilization, and how it causes wear of the metal surfaces with which it makes contact. And presents basic ...Read more
Author:Petrick, AJDate:1958'The agreements between the collieries supplying blend coking to Iscor provide for the purchase of this coal in the air-dry condition. Therefore, weight-bridge tonnages must be converted to tons of air-dry coal.Read more
Author:Meintjies, AADate:1971This report contains details regarding the composition of the gaseous decomposition products formed when coal is pyrolysed at a fast rate.Read more
Author:Gurtunca, RG; Adams, DJDate:Mar 1991In situ measurements and numerical modelling based on elastic theory showed that backfill stresses are considerably higher than originally thought. This has led to a change in understanding of rockmass behaviour. After describing previous ...Read more
Author:van Zyl, JGDate:1974In investigations concerned with the reduction of exhaust smoke of diesel engines, it was required to calculate the volume of a given mass of petrol at high temperatures.Read more
Author:Nordengen, Paul ADate:Dec 2013The aim of this research was to apply, refine and demonstrate an alternative approach to the design and operation of heavy vehicles in South Africa with improved outcomes in terms of road transport productivity, vehicle safety performance, ...Read more
Author:Van der Merwe, AdèleDate:Apr 2008Parallel to the Open Source Software movement, there is an increased demand and need for free, open access to information resources. The Open Access initiative is characterized by two strategies: namely the promotion of self-archiving or, ...Read more
Author:Jansen van Rensburg, Gerhardus JDate:Sep 2016The Finite Element Method is a powerful tool that can be used to test, improve or better understand an industrially relevant problem. There are numerous Finite Element Analysis (FEA) software packages that operate either in the commercial, ...Read more
Author:Paige-Green, P; Jones, DJDate:Mar 2004The data required for a road materials database was identified and a basic structure formulated during 2003. A set of Excel workbooks and associated worksheets was developed as a foundation for the database and as an interim means of gathering ...Read more
Author:Jones, DJ; Paige-Green, PDate:Mar 2003The data required for a road materials database has been identified and a basic structure formulated. A set of Excel workbooks and associated worksheets has been developed as a foundation for the database and as an interim means of gathering ...Read more
Author:Peach, WDate:Jun 2010Solutions to sustainability problems may be achieved through the use of new technology that reduces wastes and provides development opportunities. The impacts of technologies have to be assessed in structured approaches to provide decision-makers ...Read more
Author:Black, WA; Maasdorp, APBDate:Jun 1984Since ancient times, man has attempted to reduce the flammability of combustible materials. For example, the Egyptians soaked wood in a solution of alum in an attempt to reduce its flammability, while the Romans dipped the material of their ...Read more
Author:Sevenster, PGDate:1964In this study of the physical properties of an inherently brittle material such as coal it is of interest to determine the effect of certain physical properties (such as porosity) on the strength of the substance.Read more
Author:Schoeman, FR; Archibald, REMDate:Sep 1977The authors in their various issues aim at describing twenty species in each issue. Failure to achieve this aim is due, partly to the short intervals between the issue dates, but more specifically to all the work involved in ensuring the ...Read more