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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

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Browsing by Subject "Pillar axis"

Browsing by Subject "Pillar axis"

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