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Investigations into the residual strength of a 2.5 m wide Bushveld Merensky Reef crush pillar

Author: Watson, BP ; Mosomane, SM ; Kuijpers, JS ; Roberts, David P Date: Aug 2008 The first crush pillars on the Bushveld platinum mines were introduced at Union Section in 1978. Before the introduction of crush pillars, serious problems were experienced when stoping advanced to a point 30 m to 40 m on both sides of the ... Read more
Merensky pillar strength formulae based on back-analysis of pillar failures at Impala Platinum

Author: Watson, BP ; Ryder, JA ; Kataka, MO ; Kuijpers, JS ; Leteane, FP Date: Aug 2008 The Bushveld platinum group metal deposits are two distinct, shallow-dipping stratiform tabular orebodies and strike for many hundreds of kilometres. Mining is extensive, with depths ranging from close-to-surface to 2 000 m. The mining method ... Read more

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Browsing by Subject "Crush pillars"

Browsing by Subject "Crush pillars"

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