Size effects assessment of mine waste-rock shear strength combining numerical, laboratory and in situ approaches
Carlos Ovalle,
Gilbert Girumugisha,
David Cantor
et al.
Abstract:With the aim of performing stability analyses of waste-rock (WR) piles, the critical shear strength of loose WR material must be characterised. However, due to the presence of oversized rock clasts, shear tests can only be carried out on small samples prepared using grading scaling techniques. In order to test samples similar to the field material, particle size reduction should be minimised. Considering a testing device able to handle samples of characteristic size , the material should be scaled down to a ma… Show more
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