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Publications by [Laubscher D. H.]

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A GEO ECHANICS CLASSIFICATION SYSTEM FOR THE RATING OF ROCK MASS IN MINE DESIGN (1990)
The mining rock-mass rating (MAMA) classification system was introduced in 1974 as a development of the CSIA geomechanics classification system to cater for diverse mining situations. The fundamental difference was the recognition that in situ rock-mass ratings ...
Reference: JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY, vol. 90, no. 10, OCTOBER 1990