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Advances in Concrete Construction Volume 7, Number 4, June 2019 , pages 277-288 DOI: https://doi.org/10.12989/acc.2019.7.4.277 |
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Effect of temperature on the behavior of self-compacting concretes and their durability |
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M. Salhi, A. Li, M. Ghrici and C. Bliard
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| Abstract | ||
| The formulation of self-compacting concretes (SCC) and the study of their properties at the laboratory level were currently well mastered. The aim of this work is to characterize SCC under hot climatic conditions and their effects on the properties of fresh and hardened SCC. Particularly, the effect of the initial wet curing time on the mechanical behavior such as the compressive strength and the durability of the SCCs (acid and sulfate attack) as well as the microstructure of SCCs mixtures. In this study, we used two types of cement, Portland cement and slag cement, three water/binder (W/B) ratio (0.32, 0.38 and 0.44) and five curing modes. The obtained results shows that the compressive strength is strongly influenced by the curing methods, 7-days of curing in the water and then followed by a maturing in a hot climate was the optimal duration for the development of a better compressive strength, regardless of the type of binder and the W/B ratio. | ||
| Key Words | ||
| self-compacting concrete; hot climate; initial curing time; compressive strength; acid attack; microstructure; XRD | ||
| Address | ||
| M. Salhi: Department of Civil Engineering, University of Relizane, Bourmadia, Algeria; Laboratory of Civil Engineering, University of Reims Champagne Ardennes, Reims, France; Geomaterials Laboratory, Hassiba Benbouali University of Chlef, P.O. Box 151, Chlef 02000, Algeria A. Li: Laboratory of Civil Engineering, University of Reims Champagne Ardennes, Reims, France M. Ghrici: Geomaterials Laboratory, Hassiba Benbouali University of Chlef, P.O. Box 151, Chlef 02000, Algeria C. Bliard: CNRS UMR 7312 ICMR Université de Reims, France | ||
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