| Issue |
EPJ Web of Conferences
Volume 6, 2010
ICEM 14 – 14th International Conference on Experimental Mechanics
|
|
|---|---|---|
| Article Number | 23005 | |
| Number of page(s) | 8 | |
| Section | Concrete Based Materials | |
| DOI | https://doi.org/10.1051/epjconf/20100623005 | |
| Published online | 10 June 2010 | |
https://doi.org/10.1051/epjconf/20100623005
Early-age volume changes of extrudable reactive powder concrete
1
Laboratoire de Matériaux Polymères aux
Interfaces, Boulevard
François Mitterand, 91025
Evry Cedex
2
Laboratoire des Solides Irradiés, Ecole
Polytechnique, 91128
Palaiseau Cedex,
France
3
GeM, UMR CNRS 6183 – Research Institute of Civil Engineering
and Mechanics, 58 rue
Michel Ange, B.P.
420, 44606
Saint-Nazaire Cedex,
France
4
Laboratoire d’Artois Mécanique et Habitat, Université
d’Artois, route de l’Université, 62408
Béthune,
France
a e-mail : pierre.mounanga@univ-nantes.fr
This article presents a study on the early-age autogenous deformations of Extrudable Reactive Powder Concretes (ERPCs), especially designed for the making of concrete pipes by extrusion. Different ERPC mixtures, with variable amounts of polycarboxylate superplasticizer (SP), have been investigated. Results on 28-day mechanical properties, early-age hydration rate, autogenous shrinkage and premature cracking risk are analyzed and discussed in relation with the ERPC mix parameters.
© Owned by the authors, published by EDP Sciences, 2010
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