MATEC Web Conf.
Volume 295, 2019Smart Underground Space and Infrastructures – Lille 2019
|Number of page(s)||8|
|Section||Smart Geo-Environment Geotechnics|
|Published online||18 October 2019|
Applicability of UH model to coarse-grained soil
1 Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, 210098 Nanjing, China
2 Laboratoire de Mécanique, Multiphysique, Multiéchelle, Université de Lille, 5900 Lille, France
3 Laboratoire de Génie Civil et géo-Environnement, Université de Lille, 5900 Lille, France
* Corresponding author: email@example.com
Large-scale triaxial, K0 compression and constant stress ratio path tests were carried out on two kinds of coarse-grained soils. Stress-strain relationships of these tests were simulated by using UH model for sands to study the applicability of the model to different stress paths of coarse-grained soil, and the results were compared with those of Duncan’s E-B model. It is shown that the mechanical behaviors of coarse-grained soil can be well described by the UH model, and overall its capacity to reflect stress-strain relationship under different stress paths is better than that of Duncan’s E-B model. Finally, the UH model and Duncan’s E-B model were used for stress-deformation analysis of a core rockfill dam. The applicability of UH model for sands to coarse-grained soil was verified.
© The Authors, published by EDP Sciences, 2019
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