Abstract

Rock hardness is an important parameter which characterizes the strength properties of rock mass. The essential aim of this work is to study the influence of different parameters related to the elastic moduli, density and P-velocity. Samples were taken from the Hassi Messaoud site investigation. The tests were carried out (wells OMN602 and OMN402) at different depth ranging from 1900m to 2900m). The method and procedure of the laboratory test are also presented. The obtained results have proved a useful correlation between rock hardness and its strength properties.

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