E3S Web Conf.
Volume 9, 20163rd European Conference on Unsaturated Soils – “E-UNSAT 2016”
|Number of page(s)||6|
|Published online||12 September 2016|
Earthwork laboratory tests and suction – experimental and numerical approach
1 EGIS-Géotechnique, 3, rue Docteur Schweitzer, 38180, Seyssins, France
2 UNIV. GRENOBLE ALPES, 3SR, F-39800 Grenoble, France
3 LOMC, CNRS UMR 6294, Université du Havre, BP 540, 75058 Le Havre, France
4 GAIATECH, 22 rue Antoine Chollier, 38170, Seyssinet, France
5 IFFSTAR, Route de Bouaye CS4, 44344 Bouguenais cedex
a Corresponding author: email@example.com
The research presented in this publication is funded by the French National Project « Terredurable », which is dedicated to the study of soils in quasi-saturated conditions (close to saturation). Stability and deformation of earth structures are reanalyzed with a quasi-saturated hydromechanical model. In this paper, IPI tests are modeled with a two-dimensional explicit finite difference program (Flac 2D). The model presented considers mechanical soil theory to approach earthwork tests by integrating a compressible bulk modulus. Results of the numerical approach show how it is possible to link parameters of near saturation soil mechanic (saturation, suction) to earthwork strength of soil parameters (IPI value).
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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