Stochastic fracture simulation for geotechnical hazard assessment – case of a tunnel in a rock masstextconferencePaperFouchéO.autAlfonsiP.autconference publicationArnouldM.edtLedruP.edtLyon, FranceBrgm2005monographicInt. Symp. Geoline, Geology and linear infrastructures, 23-25 May 2005