Author:Van der Merwe, JN; Van Vuuren, JJ; Butcher, R; Canbulat, IDate:Aug 2001The main objective of this research was to determine the causes of falls of roof in South African collieries. Sixteen major roof falls were investigated in detail and their causes established. This data was supplemented by mapping a large ...Read more
Author:Pardoe, DR; Molesworth, DVDate:Jan 1994In 1992, a proposal was submitted to SIMRAC for a two year programme of work with the overall objective of conducting a general review of problems and techniques related to underground colliery illumination, particular emphasis on identifying ...Read more