Influence of Chemical admixture dosage on Fresh Properties of Self-compacting concrete
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 6
Abstract
The concrete is a versatile construction material because of a good compatibility existing between the ingredients of concrete. Each and every ingredient has its potency and significant effect on properties of concrete. Self-compacting concrete going to be futuristic material because of it’s inherent properties like flow ability, passing ability, segregation to resistance. There are plenty of plasticizers and super plasticizers are available to make concrete to be flow able without compensating the strength. However it is very difficult to obtain the optimum dosage for making of SCC. The present paper is aiming towards study of effect of different admixtures dosage on fresh properties of Self-compacting concrete and also compressive strength of concrete. M40 mix grade of 7 mixes were made to obtain required admixture dosage. ADVA960 (Poly-carboxylic-ether based) admixture was used. Fresh properties of SCC are tested by using the slump flow test, V – flow, and L – box test. 7, 28 days of compressive strength of concrete were also tested. At Lower powder content, as admixture dosage increases, bleeding and segregation will took place. Even though dosage of admixture increases the variation in compressive strength was marginally. At 0.5% of admixture dosage, 550kgs of powder content is satisfied the all SCC requirements and reached target mean strength marginally.
Authors and Affiliations
Nagaraju . , S. Vijaya Bhaskar Reddy, T. Suresh
Keywords
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