Currently Head of Geotechnical Group at Kazakhmys Plc.
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RECENT RESEARCH PROJECTS:
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FEM/DEM-DFN modelling examples:
"all models are wrong but some are useful" G.Box
BLOCK CAVE MINING (video)
Influence of geological structures on the development of surface subsidence, contours illustrate vertical displacements 10cm(red)/1m(blue).
Contrasting with the animation given below, note the role of joint orientation in initial cave propagation and the governing role of a fault in subsidence development.
LARGE OPEN PIT - BLOCK CAVE INTERACTION
Illustration of block caving induced open pit slope instability: failure in rock bridges of non-coplanar step path joints dipping into the cave. more info
rock bridge failure
Industrial case study example more info
SLOPE FAILURE
Illustration of a joint controlled slope failure: rock fracturing initiation, failure surface formation, collapse and debris run-off.