TY - GEN
T1 - Long-term creep properties of cementitious materials - Comparing compression tests on concrete with microindentation tests on cement
AU - Zhang, Q.
AU - Le Roy, R.
AU - Vandamme, M.
AU - Zuber, B.
PY - 2013/11/15
Y1 - 2013/11/15
N2 - This study compares minutes-long microindentation creep experiments on cement paste with years-long macroscopic creep experiments on concrete. For both cement and concrete samples, after a transient period their creep function was well captured by a logarithmic function of time. The creep modulus of various concrete samples was estimated from microindentation tests on cement pastes combined with micromechanical model. The estimated moduli were very close to those calculated directly from uniaxial compressive creep tests on concrete, which proves that minutes-long microindentation creep test can give access to the long-term creep properties of concrete. Key words: basic creep, long-term creep, microindentation, cement, concrete
AB - This study compares minutes-long microindentation creep experiments on cement paste with years-long macroscopic creep experiments on concrete. For both cement and concrete samples, after a transient period their creep function was well captured by a logarithmic function of time. The creep modulus of various concrete samples was estimated from microindentation tests on cement pastes combined with micromechanical model. The estimated moduli were very close to those calculated directly from uniaxial compressive creep tests on concrete, which proves that minutes-long microindentation creep test can give access to the long-term creep properties of concrete. Key words: basic creep, long-term creep, microindentation, cement, concrete
UR - https://www.scopus.com/pages/publications/84887324742
U2 - 10.1061/9780784412992.189
DO - 10.1061/9780784412992.189
M3 - Conference contribution
AN - SCOPUS:84887324742
SN - 9780784412992
T3 - Poromechanics V - Proceedings of the 5th Biot Conference on Poromechanics
SP - 1596
EP - 1604
BT - Poromechanics V - Proceedings of the 5th Biot Conference on Poromechanics
T2 - 5th Biot Conference on Poromechanics, BIOT 2013
Y2 - 10 July 2013 through 12 July 2013
ER -