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Hard Rock

Joseph Muaka, S Duma, P Mushangwe, L Gardner, Tafadzwa Chindedza, Jeanne Walls, William Joughin
Rock Mechanics

This paper presents a methodology to design jointed hard rock pillars transacted a clay-filled shear zone at Ngezi mine, Portal 4 (P4), in Zimbabwe. The nature of the problem is highly complex due to the large number of joints and possible shear zone configurations. On the mine, the shear zone Read more... about Modelling hard rock jointed pillars using a distinct element and discrete fracture network approach considering the effect of a clay-filled shear structure

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