Author:Nordengen, Paul ADate:1995The deterioration of the road pavement is largely a function of the traffic loads acting on the pavement. Between fifteen and twenty percent of all heavy vehicles in South Africans roads are overloaded and these vehicles contribute approximately ...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