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Durability properties of high volume fly ash self compacting concretes

Dinakar, P. / Babu, K.G. / Santhanam, Manu

AbstractThis paper presents an experimental study on the durability properties of self compacting concretes (SCCs) with high volume replacements of fly ash. Eight fly ash self compacting concretes of various strength grades were designed at desired fly ash percentages of 0, 10, 30, 50, 70 and 85%, in comparison with five different mixtures of normal vibrated concretes (NCs) at equivalent strength grades. The durability properties were studied through the measurement of permeable voids, water absorption, acid attack and chloride permeation. The results indicated that the SCCs showed higher permeable voids and water absorption than the vibrated normal concretes of the same strength grades. However, in acid attack and chloride diffusion studies the high volume fly ash SCCs had significantly lower weight losses and chloride ion diffusion.

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Durability properties of high volume fly ash self compacting concretes

Dinakar, P. / Babu, K.G. / Santhanam, Manu

AbstractThis paper presents an experimental study on the durability properties of self compacting concretes (SCCs) with high volume replacements of fly ash. Eight fly ash self compacting concretes of various strength grades were designed at desired fly ash percentages of 0, 10, 30, 50, 70 and 85%, in comparison with five different mixtures of normal vibrated concretes (NCs) at equivalent strength grades. The durability properties were studied through the measurement of permeable voids, water absorption, acid attack and chloride permeation. The results indicated that the SCCs showed higher permeable voids and water absorption than the vibrated normal concretes of the same strength grades. However, in acid attack and chloride diffusion studies the high volume fly ash SCCs had significantly lower weight losses and chloride ion diffusion.

Durability properties of high volume fly ash self compacting concretes

Dinakar, P. / Babu, K.G. / Santhanam, Manu

AbstractThis paper presents an experimental study on the durability properties of self compacting concretes (SCCs) with high volume replacements of fly ash. Eight fly ash self compacting concretes of various strength grades were designed at desired fly ash percentages of 0, 10, 30, 50, 70 and 85%, in comparison with five different mixtures of normal vibrated concretes (NCs) at equivalent strength grades. The durability properties were studied through the measurement of permeable voids, water absorption, acid attack and chloride permeation. The results indicated that the SCCs showed higher permeable voids and water absorption than the vibrated normal concretes of the same strength grades. However, in acid attack and chloride diffusion studies the high volume fly ash SCCs had significantly lower weight losses and chloride ion diffusion.

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Title:

Durability properties of high volume fly ash self compacting concretes

Contributors:

Dinakar, P. (author) / Babu, K.G. (author) / Santhanam, Manu (author)

Published in:

Cement and Concrete Composites ; 30 ; 880-886

Publication date:

2008-06-26

Size:

7 pages

ISSN:

DOI:

https://doi.org/10.1016/j.cemconcomp.2008.06.011

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Durability , Permeable voids , Absorption , Acid attack , Chloride permeability

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