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Compressive strength studies on portland cement mortars containing fly ash and superplasticizer
AbstractThe effects of two super water-reducing admixtures on the compressive strengths and elastic moduli of portland cement mortars containing fly ash were determined. The results show that the effectiveness of the chemicals for improving the strengths of mixtures in which portland cement is partially replaced by fly ash decreases with an increase in the percentage of ash. Increased strength can be nil or too low to justify the additional expense associated with the chemicals. The mixtures did exhibit normal stress-strain relationships: the elastic moduli were related to the ultimate compressive strengths in the usual manner. The results are based on mixes with equal workabilities.
RésuméFueron determinados los efectos de dos mixtures del tipo ‘super reducidos pr agua’ sobre la solidez compresiva y los módulos elásticos de morteros de cemento ‘portland’ que contienen ‘fly ash’. Los resultados muestran que la eficaz de los químicos usados para aumentar la foraleza de mezclas en las cuales el cemento portland está parcialmente reemplazado por ‘fly ash’ disminuye según el aumento en el contenido de ‘fly ash’. O no hay solidez aumentado o el aumento puedo ser demasiado pequeño para justificar los gastos adicionales associados con los químicos. Las mixturas manifestaron los parentescos normales para el esfuerzo y la tensión: los módulos elásticos exhibieron relaciones normales con la máxima solidez compresiva. Los resultados están basados sobre mixturas con consistencias iguales.
Compressive strength studies on portland cement mortars containing fly ash and superplasticizer
AbstractThe effects of two super water-reducing admixtures on the compressive strengths and elastic moduli of portland cement mortars containing fly ash were determined. The results show that the effectiveness of the chemicals for improving the strengths of mixtures in which portland cement is partially replaced by fly ash decreases with an increase in the percentage of ash. Increased strength can be nil or too low to justify the additional expense associated with the chemicals. The mixtures did exhibit normal stress-strain relationships: the elastic moduli were related to the ultimate compressive strengths in the usual manner. The results are based on mixes with equal workabilities.
RésuméFueron determinados los efectos de dos mixtures del tipo ‘super reducidos pr agua’ sobre la solidez compresiva y los módulos elásticos de morteros de cemento ‘portland’ que contienen ‘fly ash’. Los resultados muestran que la eficaz de los químicos usados para aumentar la foraleza de mezclas en las cuales el cemento portland está parcialmente reemplazado por ‘fly ash’ disminuye según el aumento en el contenido de ‘fly ash’. O no hay solidez aumentado o el aumento puedo ser demasiado pequeño para justificar los gastos adicionales associados con los químicos. Las mixturas manifestaron los parentescos normales para el esfuerzo y la tensión: los módulos elásticos exhibieron relaciones normales con la máxima solidez compresiva. Los resultados están basados sobre mixturas con consistencias iguales.
Compressive strength studies on portland cement mortars containing fly ash and superplasticizer
Stuart, K.D. (author) / Anderson, D.A. (author) / Cady, P.D. (author)
Cement and Concrete Research ; 10 ; 823-832
1980-08-08
10 pages
Article (Journal)
Electronic Resource
English
| British Library Conference Proceedings | 1999
Superplasticized Portland Cement: Production and Compressive Strength of Mortars and Concrete
| British Library Online Contents | 1998