Watson, BPKuijpers, JSHenry, GPalmer, CERyder, JA2008-12-042008-12-042008-10Watson, BP, Kuijpers, Js and Henry, G. 2008. Nonlinear rock behavior and its implications on deeper-level platinum mining. 3rd International Platinum Conference: Platinum In Transformation. Sun City, South Africa, 6-9 October 2008, pp 129781920211196http://hdl.handle.net/10204/2656This paper was first presented at the 3rd International Platinum conference: platinum in Transformation, organised by SAIMM (Southern African Institute of Mining and Metallurgy)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 not appear to be dependent on borehole orientation but in the case of the Amandelbult and Union sites appears to have been influenced by the stress condition of the rock mass at the time of drilling. The paper describes the microscope and modelling work done to determine the causes of the nonlinear behaviour and discusses some implications of the behaviour for deep-level miningenNonlinear rock behaviourDeep level platinum miningMiningMetallurgyConference PresentationWatson, B., Kuijpers, J., Henry, G., Palmer, C., & Ryder, J. (2008). Nonlinear rock behavior and its implications on deeper-level platinum mining. http://hdl.handle.net/10204/2656Watson, BP, JS Kuijpers, G Henry, CE Palmer, and JA Ryder. "Nonlinear rock behavior and its implications on deeper-level platinum mining." (2008): http://hdl.handle.net/10204/2656Watson B, Kuijpers J, Henry G, Palmer C, Ryder J, Nonlinear rock behavior and its implications on deeper-level platinum mining; 2008. http://hdl.handle.net/10204/2656 .TY - Conference Presentation AU - Watson, BP AU - Kuijpers, JS AU - Henry, G AU - Palmer, CE AU - Ryder, JA AB - 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 not appear to be dependent on borehole orientation but in the case of the Amandelbult and Union sites appears to have been influenced by the stress condition of the rock mass at the time of drilling. The paper describes the microscope and modelling work done to determine the causes of the nonlinear behaviour and discusses some implications of the behaviour for deep-level mining DA - 2008-10 DB - ResearchSpace DP - CSIR KW - Nonlinear rock behaviour KW - Deep level platinum mining KW - Mining KW - Metallurgy LK - https://researchspace.csir.co.za PY - 2008 SM - 9781920211196 T1 - Nonlinear rock behavior and its implications on deeper-level platinum mining TI - Nonlinear rock behavior and its implications on deeper-level platinum mining UR - http://hdl.handle.net/10204/2656 ER -