9. M. S. Remadna, S.Benmebarek and L.Belounar "Modélisation Numérique du Renforcement des Chaussées non         Revêtues par Géogrille" PROCEEDINGS OF THE 15TH AFRICAN REGIONAL CONFERENCE ON SOIL         MECHANICS AND GEOTECHNICAL ENGINEERING, MAPUTO, 18 – 21 JULY 2011, IOS Press, pp. 482-488. 10. S. Benmebarek, N. Benmebarek and L. Belounar "Effect of Geosynthetic on the Performance of Road         Embankment on Algeria Sabkha Soils" PROCEEDINGS OF THE 15TH AFRICAN REGIONAL CONFERENCE         ON SOIL MECHANICS AND GEOTECHNICAL ENGINEERING, MAPUTO, 18 – 21 JULY 2011, IOS Press,         pp. 532-539. 11. S. Benmebarek, S. Tabti. And L. Belounar “ Building road embankment on Algeria Sabkha soils with         geosynthetic ”, GIGSA GeoAfrica 2009 Conference, Cape Town 2 - 5 September 2009. 12. Belounar L. , Hamadi D. and Benmebarek S. “Plate bending with a solid strain based element that satisfies the         equilibrium equations” 6th European Solid Mechanics Conference, Budapest, 28 August - 1 September 2006 13. N. BENMEBAREK, S. BENMEBAREK et R. DEMAGH. “Analyse numérique de l’influence des modes de         movement des écrans de soutènement rigide sur les pressions de terre”. Conférence Internationale GeoCityNet,        10-11 Octobre 2005, Lille, France. 14. S. Benmebarek, T. Khelifa and  N. Benmebarek. “Numerical studies of 3D passive earth pressures induced by the         translation of a rigid rough retaining wall”. Proceeding of the Tenth International Conference on Civil, Structural         and Environmental Engineering Computing, B.H.V. Toping (Editor) Civil Comp Press, Stirling, Scotland, Paper         289, August, 2005. 15. N. Benmebarek, S. Benmebarek and R. Kastner. “Numerical analysis of seepage failure of stratified soils within         a cofferdam”. Proceeding of the Tenth International Conference on Civil, Structural and Environmental Engineering        Computing, B.H.V. Toping (Editor) Civil Comp Press, Stirling, Scotland, Paper 290, August, 2005. 16. N. Benmebarek, S. Benmebarek and R. Kastner. “Modélisation numérique de la stabilité du fond de fouille sous         l'effet de l'écoulement”. Colloque International de Géotechnique –ISBN 9953-0-0252-5, Beyrouth, 19-22 Mai         2004. pp. 215-220. 17. N. Benmebarek, S. Benmebarek and R. Kastner. "A numerical study of  the passive and active earth pressures”..         Colloque International de Géotechnique - ISBN 9953-0-0252-5, Beyrouth, 19-22 Mai 2004. pp. 159-165. 18. Guettala A., Benmenarek S. and Abibsi A."Diagnosis and Repair of a Reinforced Concrete Bridge" 6th         International Conference on Concrete Technology for Developing Coubtries Amman – Jordan, 21-23 October,        2002, Volume 3 pp 819-828. 19. Guettala et S. Benmebarek "Diagnostique et réparation d'un pont en béton armé", 30e  Congrès annuel Montréal,         Québec – du 5 au 8 juin 2002,  p m-12. 20. S. BENMEBAREK , R. KASTNER, C. OLLIER & A. CHARIF. "Numerical Modelling of the Soft Ground         Behavior for Tunneling the Lyons D Line Extension", Proc. I. C. Geomecanics / Ground control in mining and         underground construction’ à Wollongong, Australia, du 14 au 17 Juillet 1998.