Affiliation: | aC.D.G.A, University of Bordeaux I, Av des Facultés, 33405 Talence, France;bLM2SC, Department of Civil Engineering, U.S.T.O, B.P. 1505 Elmenouar, Oran, Algeria;cStructural Durability Unit, (LCPC) Laboratoire Central des Ponts et Chaussées, France |