ABSTRACT

ABSTRACT: Rock indentation experiments in granite and marble are carried out using a hemispherical indenter. A thorough investigation of the indenting process is made and quantitative data of rock fragmentation and fracture obtained. A two dimensional micro-mechanics constitutive model is applied to simulate the actual median fracture system. The model simulation reveals quantitatively the effects of loading force, rock mechanical properties and micro fractures on the median crack system.

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