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Modeling the Behavior of Axially and Laterally Loaded Pile with a Contact Model Zakia Khelifi Department of Civil Engineering, University AbouBakr Belkaid, Algeria e-mail: zakia_khelifi@yahoo.fr Abdelmadjid Berga Department of Civil Engineering, University of Bechar, Algeria e-mail: bergaabdelmadjid@yahoo.fr Nazihe Terfaya Department of Mechanical Engineering, University of Bechar, Algeria e-mail: t_nazihe@yahoo.fr Abstract This work treats the behavior of a single pile subjected to two types of loading: axial and lateral, with taking into account the interaction between the soil and the pile. The zone of soil-pile interface is modeled by a simple model of interaction; based on the Coulomb friction contact law. The numerical analysis is carried out in 2D using a finite element program. Comparisons are presented between modeled pile behavior and that predicted from experimental, analytical and analysis results, a reasonable good agreement is obtained between them. منبع 10.1.1.477.248.pdf