An Oedometer for Studying Combined Effects of Temperature and Suction on Soils

François, Bertrand; Laloui, Lyesse

doi:10.1520/GTJ102348

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Article (Scientific journals)

An Oedometer for Studying Combined Effects of Temperature and Suction on Soils

François, Bertrand; Laloui, Lyesse

2010 • In Geotechnical Testing Journal, 33 (2)

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/29942

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10.1520/GTJ102348

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Keywords :

temperature; suction; oedometer; water retention; calibration; compression tests

Abstract :

[en] This paper reports the development of an advanced thermo-hydro-mechanical (THM) oedometer in order to characterize the behavior of soils under combined non-isothermal and unsaturated conditions. The simultaneous control of temperature, suction, and stress states within the sample required rigorous calibration. This THM oedometer accommodates samples 80 mm in diameter and 23 mm in height. The applied vertical stresses can reach values of up to 1 MPa, the controlled temperature ranges from 20 to 80°C, and the applied suction is up to 500 kPa. The paper thoroughly discusses the calibration of the device and presents some results of tests performed on sandy silt.

Disciplines :

Civil engineering

Author, co-author :

François, Bertrand ; Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur

Laloui, Lyesse

Language :

English

Title :

An Oedometer for Studying Combined Effects of Temperature and Suction on Soils

Publication date :

2010

Journal title :

Geotechnical Testing Journal

ISSN :

0149-6115

Publisher :

American Society for Testing and Materials, United States - Pennsylvania

Volume :

Issue :

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 16 April 2010

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Bibliography

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