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
Author:Holtmann, BMDate:Dec 2009This thesis will propose a strategy for a Safe South Africa through the implementation of a model for a “Safe Community of Opportunity”. The model is the outcome of work undertaken over the course of the past five years and draws from widely ...Read more
Author:Wall, KDate:2011This report reflects the labours of the research team at the CSIR and the drafting, reviewing and grading by the field experts at SAICE. It extends the start that was made five years ago and it is trusted that it improves upon the first IRC. ...Read more
Author:Van Eck, B; Van der Walt, PJDate:1956In this paper, the more practical aspects of coal sampling and sample treatment are discussed in order to serve as a guide in plant testing.Read more
Author:SANCORDate:Feb 1983Within the context of the Estuarine Programme that forms part of South African Oceanographic Research, an outline is given of environmental problems resulting from human activities in estuaries, of current state of research, and of legislation ...Read more