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Browsing by Author "Ryder, JA"

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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
Nonlinear rock behavior and its implications on deeper-level platinum mining

Author: Watson, BP ; Kuijpers, JS ; Henry, G ; Palmer, CE ; Ryder, JA Date: Oct 2008 Uniaxial tests performed on core from instrumented sites at Amandelbult 1 shaft, Impala 10 shaft and Union Section Spud-shaft showed a nonlinear elastic relationship between applied load and induced deformation. This nonlinear behaviour does ... Read more

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Browsing by Author "Ryder, JA"

Browsing by Author "Ryder, JA"

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