This volume 2 of the GAP 324 report discusses the parts of the project that dealt with the sinking of very deep shafts, and an initial study into the behaviour of triangular strand ropes for deep shafts.
Reference:
Van Zyl, MN.1997. Deterioration and discard of mine winder ropes, volume 2. Safety in Mines Research Advisory Committee, GAP 324, November, 1997, pp 1-186
Van Zyl, M. (1997). Deterioration and discard of mine winder ropes, volume 2. http://hdl.handle.net/10204/1700
Van Zyl, MN. "Deterioration and discard of mine winder ropes, volume 2." (1997): http://hdl.handle.net/10204/1700
Van Zyl M, Deterioration and discard of mine winder ropes, volume 2; 1997. http://hdl.handle.net/10204/1700 .