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Three-dimensional numerical and analytical study of horizontal group of square anchor plates in sand

Abstract : In this paper, numerical and analytical methods are used to evaluate the ultimate pullout capacity of a group of square anchor plates in row or square configurations, installed horizontally in dense sand. The elasto-plastic numerical study of square anchor plates is carried out using three-dimensional finite-element analysis. The soil is modeled by an elasto-plastic model with a Mohr-Coulomb yield criterion. An analytical method based on a simplified three-dimensional failure mechanism is developed in this study. The interference effect is evaluated by group efficiency η, defined as the ratio of the ultimate pullout capacity of group of N anchor plates to that of a single isolated plate multiplied by number of plates. The variation of the group efficiency η was computed with respect to change in the spacing between plates.
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https://hal-enpc.archives-ouvertes.fr/hal-02882390
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Soumis le : vendredi 26 juin 2020 - 16:54:46
Dernière modification le : vendredi 17 juillet 2020 - 17:08:49

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Hicham Mokhbi, Mekki Mellas, Abdelhak Mabrouki, Jean-Michel Pereira. Three-dimensional numerical and analytical study of horizontal group of square anchor plates in sand. Acta Geotechnica, Springer Verlag, 2018, 13 (1), pp.159-174. ⟨10.1007/s11440-017-0557-x⟩. ⟨hal-02882390⟩

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