Author:Theyse, HL; De Beer, Morris; Maina, JW; Kannemeyer, LDate:Sep 2011Pavement design methods, in combination with network level management systems must enable road authorities to develop reliable long-term financial plans based on the estimated structural capacity of the road network. Inaccurate design models ...Read more
Author:Drescher, KDate:Feb 2002The testing undertaken for this dissertation is intended to help quantify the various time-dependant deformation processes around typical deep level hard rock tabular excavations. Three mechanisms were investigated and two different hard rock ...Read more
Author:Rust, FC; Servas, VP; Van Der Walt, NDate:Jun 1989The use of bitumen-rubbers and other modified binders to inhibit reflection cracking, highlighted the need to investigate the phenomena of load-associated crack movement and crack reflection and the evaluation of the field performance of ...Read more
Author:Wolff, H; Visser, AT; De Beer, MorrisDate:1993A brief review of the theory of material behavour is given as background to a discussion on the behaviour of granular materials as determined, from accurate measurments of elastic and plastic strains under fullscale Heavy Vehicle Simulator ...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