A Constitutive Model for Unsaturated soils based on a Compressibility Framework dependent on Suction and Degree of Saturation

Panagiotis Sitarenios; Michael Kavvadas

doi:10.1051/e3sconf/20160917010

A Constitutive Model for Unsaturated soils based on a Compressibility Framework dependent on Suction and Degree of Saturation

Panagiotis Sitarenios, Michael Kavvadas

National Technical University of Athens

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding › peer-review

2 Citations (Scopus)

34 Downloads (Pure)

Abstract

The Modified Cam Clay model is extended to account for the behaviour of unsaturated soils using Bishop's stress. To describe the Loading - Collapse behaviour, the model incorporates a compressibility framework with suction and degree of saturation dependent compression lines. For simplicity, the present paper describes the model in the triaxial stress space with characteristic simulations of constant suction compression and triaxial tests, as well as wetting tests. The model reproduces an evolving post yield compressibility under constant suction compression, and thus, can adequately describe a maximum of collapse.

Original language	English
Title of host publication	3rd European Conference on Unsaturated Soils – “E-UNSAT 2016”
Publisher	EDP Sciences
Number of pages	6
Volume	9
DOIs	https://doi.org/10.1051/e3sconf/20160917010
Publication status	Published - 12 Sept 2016
Externally published	Yes
Event	3rd European Conference on Unsaturated Soils, E-UNSAT 2016 - Paris, France Duration: 12 Sept 2016 → 14 Sept 2016

Publication series

Name	E3S Web of Conferences
ISSN (Electronic)	2267-1242

Conference

Conference	3rd European Conference on Unsaturated Soils, E-UNSAT 2016
Country/Territory	France
City	Paris
Period	12/09/16 → 14/09/16

Bibliographical note

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.

Access to Document

10.1051/e3sconf/20160917010Licence: CC BY

PublishedFinal published version, 3.1 MBLicence: CC BY

Cite this

A Constitutive Model for Unsaturated soils based on a Compressibility Framework dependent on Suction and Degree of Saturation. / Sitarenios, Panagiotis; Kavvadas, Michael.
3rd European Conference on Unsaturated Soils – “E-UNSAT 2016”. Vol. 9 EDP Sciences, 2016. 17010 (E3S Web of Conferences).

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding › peer-review

Sitarenios, P & Kavvadas, M 2016, A Constitutive Model for Unsaturated soils based on a Compressibility Framework dependent on Suction and Degree of Saturation. in 3rd European Conference on Unsaturated Soils – “E-UNSAT 2016”. vol. 9, 17010, E3S Web of Conferences, EDP Sciences, 3rd European Conference on Unsaturated Soils, E-UNSAT 2016, Paris, France, 12/09/16. https://doi.org/10.1051/e3sconf/20160917010

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A Constitutive Model for Unsaturated soils based on a Compressibility Framework dependent on Suction and Degree of Saturation

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