Analytical analysis of the interfacial shear stress in RC beams strengthened with prestressed exponentially-varying properties plate 391-406 10.12989/amr.2018.7.1.391 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85051580229&doi=10.12989%2famr.2018.7.1.391&partnerID=40&md5=614e60b05f80aac4380b6790b1d5e10a Scopus 7 1 2018 Advances in Materials Research (South Korea) B.Rabia R.Abderezak T.H.Daouadji B.Abbes A.Belkacem F.Abbes