Proposing a sample preparation procedure for sanding experiments
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The Authors, during past few years, have performed research on sand production under true triaxial stress conditions. To simulate sanding, 100x100x100 mm3 cubic samples were placed in a true triaxial stress cell (TTSC) and three independent stresses were applied while the pore pressure was increased inside the cell. This resulted in sand grains to be produced through a drilled hole in the sample centre. The experiences obtained through testing several synthetic samples have indicated the significance of sample preparation to obtain valid results. Therefore, in this paper the procedure for preparation of synthetic samples suitable for a sanding experiment is proposed. Also, details of sample preparation for conventional rock mechanical tests to estimate rock physico-mechanical properties including deformability properties, strength parameters and permeability will be presented.
Copyright © 2012 The Southern African Institute of Mining and Metallurgy
First published in the Proceedings of Southern Hemisphere International Rock Mechanics Symposium SHIRMS 2012
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