Abstract
Abstract This chapter presents Test Case 2, designed as TC2 of the DECOVALEX project, concerning the three-dimensional modeling of the thermomechanical behavior of a granitic mass subjected to controlled heating during the Fanay-Augeres THM experiment in France. This modeling considers the main fractures of the mass, which is an advance over previous models for interpreting the results of this experiment in a continuum medium. The discrete approach was adopted by representing all the fractures explicitly with their properties and specific behavior. Two numerical methods were used by the research teams : the Distinct Element Method and the Finite Element Method, with special joint elements. A comparative analysis is made here of the numerical results generated by each of these methods. Moreover, the results of calculations for continuous and discontinuous media are compared with the various measurements made in the Fanay-Augeres site, to bring out the effect of the modeled discontinuities.
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