What people are saying - Write a review
We haven't found any reviews in the usual places.
Raiseboring a 602 mDiameter Shaft at Premier Mine
Cover Drilling During Shaft Sinking at Western Deep Levels Limited
The Sinking and Equipping of No 4 Shaft at Libanon Gold Mine
26 other sections not shown
Other editions - View all
achieved amosite anorthosite Appendix arkose audiogram backfill blasting boreholes carburised cement channel collar compressed air Cooke 2 shaft Cooke Section cost cover drilling cruciform dB(A depth diabase diameter dolomites East Driefontein effective employees Engineer Environmental equipment excavation face Fanakalo fans Figure fill fire gold mines graphs grout hangingwall harzburgite haulage hoisting holes hydraulic improved increased injected installed intake air kiloton labour Limited loading Main Shaft Manager material Merensky Reef method metres moisture content monitoring nitrogen operations paddock panel personnel pillars pipe planning plant pressure production programme pump pyroxenite raisebore Randfontein Estates Gold recirculation reduced reef refuge chamber result Rock Mechanics rockbursts Rustenburg safety samples sand sealed seismic event Service Shaft shift sinking slime steel stope width storage silo strain energy stress support system surface tapered temperature timber tion tonnage tons transport underground ventilation shaft Yes/No