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Influence de la fumée de silice sur la résistance en compression des bétons à hautes performances
The admixture of silica fume reveals an increase in the compressive strength compared with a reference concrete during the first month. However the improvement of the compressive strength tends to disappear in the long run. Silica fume plays a positive part up to around 20% content and has the most important effect when reaching 10 to 15% content, regardless of the water-cementitious materials ratio (cement and silica fume).
The paper presents a prediction model of the compressive strength for silica fume concretes with or without air-entraining agents. That model is validated with a precision less than 5% thanks to 282 experimental data based on the authors 'experiments and other investigations.
Influence de la fumée de silice sur la résistance en compression des bétons à hautes performances
The admixture of silica fume reveals an increase in the compressive strength compared with a reference concrete during the first month. However the improvement of the compressive strength tends to disappear in the long run. Silica fume plays a positive part up to around 20% content and has the most important effect when reaching 10 to 15% content, regardless of the water-cementitious materials ratio (cement and silica fume).
The paper presents a prediction model of the compressive strength for silica fume concretes with or without air-entraining agents. That model is validated with a precision less than 5% thanks to 282 experimental data based on the authors 'experiments and other investigations.
Influence de la fumée de silice sur la résistance en compression des bétons à hautes performances
Duval, Roger (author) / Kadri, El-Hadj (author)
Revue Française de Génie Civil ; 3 ; 25-55
1999-01-01
31 pages
Article (Journal)
Electronic Resource
Unknown
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