Kinetic simulation of the logarithmic creep of cement

Masoero, E., Manzano, H., Del Gado, E., Pellenq, R.J.-M., Ulm, F.-J. and Yip, S. 2013. Kinetic simulation of the logarithmic creep of cement. Presented at: 9th International Conference on Creep, Shrinkage, and Durability Mechanics 2013 (CONCREEP-9), Cambridge, MA, USA, 22-25 September 2013. Published in: Franz-Josef, Ilm, Hamlin, Jennings M. and Pellenq, Roland J. -M. eds. Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete: A Tribute to Zdeněk P. Bažant. ASCE, pp. 166-173. 10.1061/9780784413111.019

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Abstract

Many amorphous materials display a logarithmic creep behavior, driven by the rare occurrence of complex, hardly detectable, microscopic, structural rearrangements. Following recent developments in experimental techniques and modeling, we develop here a new approach based on transition state theory and on activation energies computed from molecular simulations of shear tests. Our results predict the logarithmic creep of an amorphous, model structure of cement at the molecular and meso- scales. We investigate the interplay of cooperative processes at the different length-scales and establish connections with creep phenomena in other materials.

Item Type:	Conference or Workshop Item (Paper)
Status:	Published
Schools:	Engineering
Publisher:	ASCE
ISBN:	9780784413111
Last Modified:	06 Jan 2024 02:09
URI:	https://orca.cardiff.ac.uk/id/eprint/144226

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