Cement and concrete research, Vol. 39 N° 6. Cement and concrete research - Juin 2009
| Titre : | Cement and concrete research, Vol. 39 N° 6. Cement and concrete research - Juin 2009 |
| Type de document : | Bulletin |
| Paru le : | 15/11/2009 |
Dépouillements
Article : texte imprimé
Narayanan Neithalath, Auteur ;
Jarrod Persun, Auteur ;
Akhter Hossain, Auteur
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The influence of a relatively new high-performance cement replacement material—vitreous calcium aluminosilicate (VCAS)—on the hydration behavior in cementitious systems, and its comparison to silica fume (SF) are presented in this paper. VCAS is[...]
Article : texte imprimé
Göril Möschner, Auteur ;
Barbara Lothenbach, Auteur ;
Frank Winnefeld, Auteur
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The solid solution between Al- and Fe-ettringite Ca6[Al1 − xFex(OH)6]2(SO4)3·26H2O was investigated. Ettringite phases were synthesized at different Al/(Al + Fe)-ratios (= XAl,total), so that XAl increased from 0.0 to 1.0 in 0.1 unit steps. Afte[...]
Article : texte imprimé
Stéphane Multon, Auteur ;
Alain Sellier, Auteur ;
Martin Cyr, Auteur
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The effect of the size of the aggregate on ASR expansion has already been well illustrated. This paper presents a microscopic model to analyze the development of ASR expansion of mortars containing reactive aggregate of different sizes. The atta[...]
Article : texte imprimé
O. Peyronnard, Auteur ;
D. Blanc, Auteur ;
M. Benzaazoua, Auteur
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In this work, we propose a methodology coupling differential acid neutralization analysis, chemical analysis of selected leachates and numerical simulation to identify the minerals controlling the leaching behavior of stabilized hydroxide sludge[...]
Article : texte imprimé
Dimitri Feys, Auteur ;
Ronny Verhoeven, Auteur ;
Geert De Schutter, Auteur
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The rheological properties of fresh concrete are mostly described by means of the Bingham model. For self-compacting concrete, the Bingham model is applicable in a lot of cases, but some authors report that the rheological behaviour is non-linea[...]
Article : texte imprimé
A. Perrot, Auteur ;
S. Amziane, Auteur ;
Ovarlez, G., Auteur
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The formwork pressure exerted by a given Self Compacting Concrete (SCC) depends on its thixotropic behavior, on the casting rate and on the shape of the formwork. It can moreover be expected that, in the case of a formwork containing steel rebar[...]
Article : texte imprimé
V. Huon, Auteur
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Infrared thermography and Digital Image Correlation were used to analyse the mechanical behaviour of mortar, concrete, and high-performance concrete specimens under quasi-static loads. For specimens under compressive loads, Infrared thermography[...]
Article : texte imprimé
Vincent Picandet, Auteur ;
Abdelhafid Khelidj, Auteur ;
Hervé Bellegou, Auteur
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The relationship between load-induced cracking and concrete permeability is studied. Ordinary concrete (OC) and high-performance concrete (HPC), including steel fiber-reinforced concrete (HPFRC), are used. Two discs, 50 mm-thick slices, cut from[...]
Article : texte imprimé
M.A.B. Promentilla, Auteur ;
T. Sugiyama, Auteur ;
T. Hitomi, Auteur
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Tortuosity, as being influenced by the 3D pore micro-geometry, is an important physical quantity to understand better the effect of pore structure on transport properties of cement-based materials. This study attempts to evaluate directly this p[...]
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