Journal of Materials and Engineering Structures
Volume 10, Numéro 1, Pages 19-32
2023-03-30
Dynamic Response Of A Rigid Foundation Rested In A Densified Soil
Authors : Messioud Salah . Dias Daniel .
Abstract
A three-dimensional finite element numerical model is proposed to study the dynamic behavior of foundations placed on densified soils. The densification of soil was done by dynamic compacting. The characteristics of densified soil are organized in four soil classes according to Eurocode 8(NF EN 1998). The mechanical parameters of the densified soil are used to determine the dynamic response of the foundations before and after the densification process. The formulation is based on the sub-structure method, the characteristic of the soil and the foundations are considered viscoelastic. Dynamic excitations are applied to the center of the foundation; the displacement response is obtained by applying a vertical and a horizontal load to the centers of the foundations. The obtained results are presented in terms of vertical and horizontal displacement amplitude for all categories of densified soil.
Keywords
Rigid Foundation ; Dynamic Compaction ; Finite Element ; Soil-Structure Interaction.
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