Author(s): L. Venu Gopal Reddy, B. Vamsi Krishna
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol. 3 - Issue 12 (December - 2014)
This study is aimed at investigating the effect of strong alkalines in water on compressive strength of admixture cements. The admixture cement cubes were cast with deionised water and deionised water containing the strong alkalines of Na2CO3 and NaHCO3. In the present study, the effect of strong alkalines such as Carbonates and Bicarbonates of Sodium on setting time and strength development is assessed under the laboratory condition. The results shows Na2CO3 in deionised water accelerate the initial and final setting times where as the other substance NaHCO3 retards the initial and final setting times in all the concentrations. Both Na2CO3 and NaHCO3 in deionised water increase the strength at early age (3-day and 7-day) and decrease significantly at 28-day, 60-day and 90-day. In the present work analysis, the hydration characteristics of the admixture cements using the techniques of X-ray Diffraction analysis and useful conclusions are obtained regarding the influence of strong acids.
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