Experimental study of triaxial mechanical behaviour of a high performance concrete: effect of low temperature during maturation (20 to 80°C)
| type de publication |
communication internationale avec actes publiés |
| date de publication |
2011 |
| auteur(s) |
Liang Yue; Rougelot Thomas; Burlion Nicolas |
| | |
| conférence |
45th US Rock Mechanics /
Geomechanics Symposium 2011 |
| dates |
de 26-06-2011 à 29-06-2011 |
| lieu |
San Francisco, California, USA |
| nom des actes |
45th US Rock Mechanics /
Geomechanics Symposium 2011 |
| | |
| pages |
464 – 469 |
| ISBN / ISSN |
978-1-61839-154-4 |
| résumé |
Design of underground nuclear waste disposal requires a full characterization of concrete under various thermohydro- mechanical and chemical condition. This experimental work concerns the characterization of coupled thermo-hydromechanical effects, and the concretes are made with cement CEM I or CEM V/A (according to European norms), allowing to study the effect of concrete composition on behaviour. The objective is to know, after one year of maturation under water at 20°C, whether an additional maturation with different temperatures will influence the degree of hydration and mechanical properties. Firstly, the variation of mass is measured to indirectly analyse the variation of the degree of hydration with temperature. Then, for demonstrate the influence of temperature during maturation at long-term, triaxial compression tests are carried out with various confining pressures. |
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