Author:Malan, DF; Napier, JAL; Watson, BPDate:Dec 1994The influence of an interface on the initiation and propagation of fractures was investigated using the Brazilian tensile test (diametral compression of a disc). Failure in the Brazilian test takes the form of an extension fracture in the ...Read more
Author:Watson, BP; Coetzer, S; Singh, N; Flanagan, FDate:27 Feb 2006Support in shallow platinum mining operations is typically provided by in-stope pillars with width-to-height ratios of 3:1. A significant percentage of ore reserves is locked up in these pillars, which reduces the life of mine. In the mid ...Read more