EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||8|
|Section||Concrete Based Materials|
|Published online||10 June 2010|
Early-age volume changes of extrudable reactive powder concrete
Laboratoire de Matériaux Polymères aux
François Mitterand, 91025
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 : firstname.lastname@example.org
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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