Mechanical and fracture properties of cement-based bi-materials after thermal cycling / Antonios Kanellopoulos in Cement and concrete research, Vol. 39 N° 11 (Novembre 2009)  

Public ISBD [article]  inCement and concrete research > Vol. 39 N° 11 (Novembre 2009) . - pp. 1087–1094 Titre : Mechanical and fracture properties of cement-based bi-materials after thermal cycling Type de document : texte imprimé Auteurs : Antonios Kanellopoulos, Auteur ; Farhat A. Farhat, Auteur ; Demetrios Nicolaides, Auteur Année de publication : 2010 Article en page(s) : pp. 1087–1094 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : High-performance concrete  Bi-materials Fracture properties Thermal treatment Mechanical Index. décimale : 691 Matériaux de construction. Pièces et parties composantes Résumé : This study investigates the effect of thermal cycles on the fracture properties of the cement-based bi-materials. Sixty eight cubes were exposed to a varied number of 24-hour thermal cycles ranging from 0 to 90 and subsequently were tested in a wedge splitting configuration. The mechanical and fracture properties of normal strength and high strength concretes are substantially improved after 30 thermal cycles, but less so after 90 thermal cycles both in isolation and when bonded to an ultra high-performance fibre-reinforced cement-based composite. DEWEY : 620.13 ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609001689 [article] Mechanical and fracture properties of cement-based bi-materials after thermal cycling [texte imprimé] / Antonios Kanellopoulos, Auteur ; Farhat A. Farhat, Auteur ; Demetrios Nicolaides, Auteur . - 2010 . - pp. 1087–1094. Génie Civil Langues : Anglais (eng) in Cement and concrete research > Vol. 39 N° 11 (Novembre 2009) . - pp. 1087–1094 Mots-clés : High-performance concrete  Bi-materials Fracture properties Thermal treatment Mechanical Index. décimale : 691 Matériaux de construction. Pièces et parties composantes Résumé : This study investigates the effect of thermal cycles on the fracture properties of the cement-based bi-materials. Sixty eight cubes were exposed to a varied number of 24-hour thermal cycles ranging from 0 to 90 and subsequently were tested in a wedge splitting configuration. The mechanical and fracture properties of normal strength and high strength concretes are substantially improved after 30 thermal cycles, but less so after 90 thermal cycles both in isolation and when bonded to an ultra high-performance fibre-reinforced cement-based composite. DEWEY : 620.13 ISSN : 0008-8846 En ligne : http://www.sciencedirect.com/science/article/pii/S0008884609001689

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