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Prof. Hanaa Ibrahim Abdel Hamid El Sayad :: Publications:

Title:
A study of some commercial permeability reducing admixtures”, Ain Shams University, Faculty of Engineering Scientific Bulletin, Vol. 32, No. 2, 1997, pp. 41-53.
Authors: H I El Sayad
Year: 1997
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: Local
Paper Link: Not Available
Full paper Hanaa Ibrahim Abdel Hamid El Sayad_comgrout.pdf
Supplementary materials Not Available
Abstract:

Reduction of permeability is an important aim to ensure that concrete structures remain durable throughout their service life. Some commercially available permeability reducing admixtures were tested. It was found that all admixtures reduced compressive strength, absorption and air permeability. The degree of reduction depended on the admixture in question. The reduction in strength was observed because no advantage was taken of the water reducing properties of the admixtures in the mix design. An experimental parameter is proposed for evaluating the quality of concrete to take into account both strength and durability properties.

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