THE INFLUENCE OF SPECIFIED ADMIXTURES ON SOME CONCRETE BEHAVIORS

للكاتب

Hassan S. Abdul-Moghni

Civil Engineering Dept., Faculty of Engineering, Sana'a University, Sana’a, Yemen

ABSTRACT

Superplasticizers are considered to be a new class of generic material. They have an efficient

capability of increasing the workability without changing the mixture proportions, or reducing the

required water content at equal slump.

The present study reports a results of a laboratory experimental works for evaluation of the given

admixture performance on some properties of plain and microsilica concrete. In addition, the study

shows the effect of both superplasticizer and microsilica to produce a high strength concrete of

moderate cement content.

The findings indicated that the addition of superplasticizers gives appreciable increase in concrete

strength and durability as well as the ability of production a high strength concrete due to the presence

of the mentioned agents combination.

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