Physical modelling of piles under lateral loading in unsaturated soils

In this paper, selected aspects of an experimental study conducted in a geotechnical centrifuge are discussed. The tests aimed to explore the effects of partial saturation of soil on the response of a single pile subjected to a combination of lateral force and bending moment under drained conditions...

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Bibliographic Details
Main Authors: Lalicata, Leonardo Maria, Rotisciani, Giada Maria, Desideri, Augusto, Casini, Francesca, Thorel, Luc
Format: Conference Proceeding
Language:English
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Summary:In this paper, selected aspects of an experimental study conducted in a geotechnical centrifuge are discussed. The tests aimed to explore the effects of partial saturation of soil on the response of a single pile subjected to a combination of lateral force and bending moment under drained conditions. The soil used in the experiments is a low plasticity silty soil, named B-grade kaolin, characterized by a relatively high permeability compared to the typical values for clayey soils. Two different elevations of the water table and its effects on the pile response under loading are studied. The data show a marked influence of soil partial saturation on the pile response, both under working loads and ultimate loads. In particular, under working loads, the displacement of the head of the pile is appreciably lower than that measured under saturated conditions.
ISSN:2267-1242
2267-1242
DOI:10.1051/e3sconf/202019501021