Testing the Hydromechanical Behavior of a Compacted Swelling Soil
Cuisinier, O
Laboratoire Environnement Geomecanique & Ouvrages--Ecole Nationale Superieure de Geologie, 54501 Nancy, France

Masrouri, F
Laboratoire Environnement Geomecanique & Ouvrages--Ecole Nationale Superieure de Geologie, 54501 Nancy, France

(Received 12 May 2003; accepted 18 March 2004)

Abstract
The paper presents a study of the hydromechanical behavior of a compacted swelling soil in a range of suctions comprised between 0 and around 300 MPa. To perform this study, two kinds of suction controlled oedometers were used, one using the osmotic method and the other using the salt solution method. A detailed review of the conditions for using these two methods is given in the first part of the paper. The second section provides the results of several suction controlled oedometer tests performed in this range of suction. They show that the mechanical behavior of the tested swelling material is strongly affected by the applied suction, even in the high suction range. In addition, it appeared that the samples preparation technique significantly influenced the hydromechanical behavior of the tested soil.

Keywords:
hydromechanical behavior, osmotic method, salt solutions, soil, suction, swelling soil

Paper ID: GTJ11950
DOI: 10.1520/GTJ11950

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Author Cuisinier, O Affiliation Laboratoire Environnement Geomecanique & Ouvrages--Ecole Nationale Superieure de Geologie, 54501 Nancy, France Author Masrouri, F Affiliation Laboratoire Environnement Geomecanique & Ouvrages--Ecole Nationale Superieure de Geologie, 54501 Nancy, France Author Cuisinier O, Masrouri F Title Testing the Hydromechanical Behavior of a Compacted Swelling Soil Symposium , Committee on