Article Dans Une Revue Acta Geotechnica Année : 2018

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

Résumé

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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hal-02882390 , version 1 (26-06-2020)

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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, 2018, 13 (1), pp.159-174. ⟨10.1007/s11440-017-0557-x⟩. ⟨hal-02882390⟩
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