E rculaire Reposant sur un sable renforcé par géogrilles / chouayb Khenifer

Public ISBD Titre : E rculaire Reposant sur un sable renforcé par géogrilles Type de document : texte imprimé Auteurs : chouayb Khenifer, Auteur ; mohamed lamine Belala, Auteur ; Djarire yahyaoui, Directeur de thèse Editeur : CONSTANTINE [ALGERIE] : UNIVERSITE DES FRERES MENTOURI Année de publication : 2016 Importance : 136 f. Format : 30 cm Note générale : une copie électronique disponible en BUC Langues : Français (fre) Catégories : Sciences de la technologie:Génie civil Tags : Bearing capacity, finite element, circular foundation, Geogrid, Plaxis, sand  Génie Civil Index. décimale : 630 Génie Civil Résumé : This dissertation is a contribution to the study of the behavior of soils reinforced with geogrids. The work carried out presents a numerical study on the bearing capacity of circular foundations supported by sand reinforced with layers of geogrid. Calculations were carried out by using the finite element code Plaxis. The objectives of this study are to: 1) determine the influence of the reinforcement on the characteristics rigidity EA, 2) suggest geometrical factors for the reinforcement installation. The following factors have been considered in the numerical simulation: location of the top layer of reinforcement measured from the bottom of the foundation (u), the number of the reinforcement layers (N), the vertical distance between two consecutive reinforcement layers (h) and the width of each reinforcement layer (b). It is shown that the behavior load-settlement and the ultimate bearing capacity can be improved considerably by inclusion of layers of geogrid. The obtained results are also compared with laboratory model test results obtained by other researchers. It appears that the agreement between the observed and calculated results is relatively good regarding the load-settlement behavior and the optimal geometry of the geogrids position Diplome : Master 2 Permalink : https://bu.umc.edu.dz/master/index.php?lvl=notice_display&id=2721 E rculaire Reposant sur un sable renforcé par géogrilles [texte imprimé] / chouayb Khenifer, Auteur ; mohamed lamine Belala, Auteur ; Djarire yahyaoui, Directeur de thèse . - CONSTANTINE [ALGERIE] : UNIVERSITE DES FRERES MENTOURI, 2016 . - 136 f. ; 30 cm. une copie électronique disponible en BUC Langues : Français (fre) Catégories : Sciences de la technologie:Génie civil Tags : Bearing capacity, finite element, circular foundation, Geogrid, Plaxis, sand  Génie Civil Index. décimale : 630 Génie Civil Résumé : This dissertation is a contribution to the study of the behavior of soils reinforced with geogrids. The work carried out presents a numerical study on the bearing capacity of circular foundations supported by sand reinforced with layers of geogrid. Calculations were carried out by using the finite element code Plaxis. The objectives of this study are to: 1) determine the influence of the reinforcement on the characteristics rigidity EA, 2) suggest geometrical factors for the reinforcement installation. The following factors have been considered in the numerical simulation: location of the top layer of reinforcement measured from the bottom of the foundation (u), the number of the reinforcement layers (N), the vertical distance between two consecutive reinforcement layers (h) and the width of each reinforcement layer (b). It is shown that the behavior load-settlement and the ultimate bearing capacity can be improved considerably by inclusion of layers of geogrid. The obtained results are also compared with laboratory model test results obtained by other researchers. It appears that the agreement between the observed and calculated results is relatively good regarding the load-settlement behavior and the optimal geometry of the geogrids position Diplome : Master 2 Permalink : https://bu.umc.edu.dz/master/index.php?lvl=notice_display&id=2721

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