Electronic Journal of Differential Equations, Vol. 2009(2009), No. 34, pp. 1-10. Title: Asymptotic behavior of solutions on a thin plastic plate Authors: Abdelaziz Ait Moussa (Univ. Mohammed 1er, Oujda, Morocco) Jamal Messaho (Univ. Mohammed 1er, Oujda, Morocco) Abstract: In the present work, we study the asymptotic behavior of solutions to a plasticity problem in a containing structure, a thin plastic plate of thickness that tends to zero. To find the limit problems with interface conditions we use the epiconvergence method. Submitted July 30, 2008. Published February 23, 2009. Math Subject Classifications: 35B40, 82B24, 76M50. Key Words: Asymptotic behavior; plasticity problem; epiconvergence method; limit problems.