WebApr 13, 2024 · The concept of crush pillars is receiving considerable attention in the South African platinum mining industry. The concept of crush pillars is to develop undersized stope pillars which fail in a stable manner close to the stope face and to use their residual strength to provide the required support resistance to keep the stope hanging wall ... WebThe final crush pillar dimension and overall mining layout is influenced by the original design methodology, mining discipline and the effect of unexpected geological losses. …
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WebThe position of the crush pillar (1) can be seen in relation to the pillar reference line (4), the holing between pillars (3), the panel face (5), the advanced strike gully (ASG) (6), the dip (8) and strike (7) direction. Note that the distance between the pillar reference line and the side of the crush pillar (2) should be 0.5 m. WebOct 1, 2010 · The concept of crush pillars is to develop undersized stope pillars which fail in a stable manner close to the stope face and to use … Web19 hours ago · Coming into 2024, Rosario’s overall track record (2.4 fWAR/600 if you exclude 2024, or 2.0/600 if you do include it), combined with his recent performance (below-average full seasons in 2024 and 2024), and the horrendous nature of his 2024, even after he returned, really tanked his outlook. He was essentially projected as replacement-level ... subependymal gray matter heterotopia symptoms