Author:Kelly, AM; Jager, AJDate:Oct 1996The quality of installation and grouting of rock reinforcing tendons is seen as a serious problem by the mining industry. Up to half of all full-column grouted steel tendons or rock bolts installed in South African gold and platinum mines are ...Read more
Author:Albers, PN; Wright, C; Olwoch, JDate:Oct 2010Pedestrians, comprising approximately 60% of the population, are among the most vulnerable road users in South Africa. The roadside environment may be an important factor influencing the nature and frequency of pedestrian fatalities. While ...Read more
