Thermo-mechanical behaviour of a compacted swelling clay

Details Thermo-mechanical behaviour of a compacted swelling clay Thermo-mechanical behaviour of a compacted swelling clay

2008-02-11

arxiv.org/abs/0802.1433v1

G\'eotechnique 58, 1 (2008) 45-54

Physics

Classical Physics

Scientific paper

10.1680/geot.2008.58.1.45

Compacted unsaturated swelling clay is often considered as a possible buffer material for deep nuclear waste disposal. An isotropic cell permitting simultaneous control of suction, temperature and pressure was used to study the thermo-mechanical behaviour of this clay. Tests were performed at total suctions ranging from 9 to 110 MPa, temperature from 25 to 80 degrees C, isotropic pressure from 0.1 to 60 MPa. It was observed that heating at constant suction and pressure induces either swelling or contraction. The results from compression tests at constant suction and temperature evidenced that at lower suction, the yield pressure was lower, the elastic compressibility parameter and the plastic compressibility parameter were higher. On the other hand, at a similar suction, the yield pressure was slightly influenced by the temperature; and the compressibility parameters were insensitive to temperature changes. The thermal hardening phenomenon was equally evidenced by following a thermo-mechanical path of loading-heating-cooling-reloading.

Affiliated with

Also associated with

No associations

Rating

Thermo-mechanical behaviour of a compacted swelling clay does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Thermo-mechanical behaviour of a compacted swelling clay, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermo-mechanical behaviour of a compacted swelling clay will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-625114