Author:Erdursun, HH; Hunter, LawranceDate:Nov 1981The past decade witnesses a growing interest in the processing of wool on the short staple ( cotton ) system and a great deal of research effort has been directed worldwide towards the solution of the various problems which present themselves ...Read more
Author:Aldrich, De VDate:Oct 1973Technological advances on textile processing machinery have resulted in increases in production rates to levels which have not even been contemplated 30 years ago.Read more
Author:Pickering, RGB; Brinkmann, JR; Byrne, OS; Haase, H; Hind, PFDate:Mar 1988Rockbreaking is the most basic of the operations required in mining and over the years has been subject of extensive research and development. This document is a summary of the work carried out by the Chamber of Mines Research Organization ...Read more
Author:Opperman, RA; Upton, AHDate:26 May 2009The purpose of this manual is to provide a practical and easy-to-use method for identifying and prioritising hazardous locations in a given area, and to provide guidelines for establishing the most cost-effective remedial measure for a specific ...Read more
Author:De Beer, Morris; Sallie, Ismail M; Van Rensburg, YvetteDate:Aug 2009This summary report describes the proposed new methodology for the determination of the Permit Mass Fees for Abnormal road Vehicles (AVs) based on the estimation of road damage. The South African mechanistic-empirical pavement design methodology ...Read more
Author:Lord, DA; Geldenhuys, NDDate:Jul 1986This report discusses the adequate provision for waste disposal is an essential part of the infrastructure needed in the development of Richards Bay as a deepwater harbour and industrial/metropolitan area. Having considered various options ...Read more
Author:Scholtz, MT; Woodburn, ET; Brouckaert, CJ; Mulholland, MDate:Mar 1978This report details the experimental methods and data obtained in the course of a study of the movement of stable air over a complex region. The field work was carried out in the Richards Bay area on the Natal Coast during the period May to ...Read more
Author:Grindley, JR; Dudley, SDate:May 1988The Diep River/ Rietvlei system can be divided into four clearly definable components: the catchment and Diep River down to its lower reaches where it enters the vlei system, the shallow areas of Rietvlei, the deeper dredged areas of Rietvlei ...Read more
Author:Ferrar, AA; O'Keeffe, JH; Davies, BRDate:1988The need for a comprehensive, multidisciplinary research programme for river ecosystems is described. The scope of the programme needs to include basic descriptions of systems and biota, the testing and development of functional theory and ...Read more
Author:Ferrar, AA; O'Keeffe, JH; Davies, BRDate:1988The need for a comprehensive, multidisciplinary research programme for river ecosystems is described. The scope of the programme needs to include basic descriptions of a systems and biota, the testing and development of functional theory and ...Read more
Author:Hoek, EDate:Oct 1965This study contains a detailed review of Griffith's theory of brittle, modified to account for the effects of crack closure in compressive stress fields.Read more
Author:King, RG; Jager, AJ; Roberts, MKC; Turner, PADate:Jun 1989The report describes an experiment carried out at Hartebeesfontein Gold Mine, No. 6 Shaft, 77 N 25 Stope between October 1985 and November 1986, which involved mining two panels without back-area support and with different support resistances ...Read more
Author:Horn, JDate:2000There is very little information on small-scale sawmilling (SSM) in South Africa, particularly on the size of the timber resource, the number of people employed by the sub-sector, and its profitability. In addition, there is no information ...Read more
Author:Estuarine and Coastal Research Unit, ECRUDate:Jan 1982This report provides historical overview on river catchment, ecology, biotic and abiotic characteristics and available information on the Rooiels estuary. The Rooiels estuary is a small but ecologically healthy system on the eastern shores ...Read more
Author:Coetzee, SDDate:1950The method adopted at the Institute is that laid down by the S.A. standards specification c.f. “The determination of the comparative calorific values of coals in South Africa.”Read more
Author:Muller, EFEDate:1972The following laboratory procedure for the dilatomer test for coal has been translated from the German Laboratoriumvorschrift of the Steinkohlenkokerei LV 20/32/01, edition May 1966.Read more
Author:Jobson, AJDate:1973A number of rumble installations have been constructed on rural roads in South Africa and although no local accident data are available the provincial roads engineers consider them of value in alerting drives to the need for caution on the ...Read more
Author:National Institute for Transport and Road Research; Transport and Road DigestDate:1977Rumble surfaces are intermittent short lengths of coarse-textured road surfacings on which vehicle tyres produce a rumbling sound. used in conjunction with appropriate roadsigns and markings, they can reduce accidents on rural roads by alerting ...Read more
Author:Mahumani, BKDate:Mar 2009This thesis constitutes a socio-economic study that centres on determining the economic value of groundwater in rural and agricultural uses. Limpopo Water Management Area (WMA1) and Luvuvhu/Letaba Water Management Area (WMA2) were studied in ...Read more
Author:Solsona, FDate:Mar 1991This technical guide describes a very simple technique for water tank construction called H-F-B (heart filled blocks). The technique makes use of a simple mould (which can be made even in rural areas) for the manufacture of concrete building ...Read more