Effect of sulphates in cement (containing 5% pozzolana) and in sand on the correlation between compressive strength and u.p.v. of concrete of different mixes
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Sulphates may be found in any of the raw materials of cement. Sand contaminated with sulphates is currently a local problem because of the difficulty in obtaining well-graded sand which could be used in concrete that has an acceptable sulphate content. In this work, the effect of sulphates in cement, with S% pozzolana, and in sand on the correlation between compressive strength and ultrasonic pulse velocity (U.P.V.) of concrete of different mixes such as 1:1.5:3, 1:2:4, and 1:3:6 is studied in order to asses the degree of the correlation of different mixes and its resistance to sulphate attack. We can conclude that the U.P.V. seem to be a good method for assessing the quality and strength of the concrete specimens.
- Engineering Journal of Qatar University - [From 1982 TO 2005] [221 items ]