COMPARATIVE STUDY OF SELF COMPACTING CONCRETE WITH LESS CEMENT AND MORE CEMENTITIOUS MATERIALS
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Abstract
Conventional concrete tends to a problem with regard to adequate consolidation in thin sections where in the re bars are located at close internals and densely oriented, where in difficult to use the mechanical vibrator which leads to large volume of entrapped air voids and compromises the strength and durability of concrete. At this junction to resolve the issue, self-compacted concrete is adopted. Self-consolidation concrete is that concrete that is not only workable at lesser water to binder ratio but also cohesively flow like a viscous fluid without yielding to segregation, rendering compaction of self-weight, ultimately resulting to superior engineering properties. The main aim of the project is comparative study of self-compacting concrete with less cement and more cementitious material by comparing compressive strength, flexural strength and split tensile strength of conventional concrete (cc) and the corresponding values of self-compacting concrete (scc) by replacing cement with fly ash at 20% and 30% weight of cement for M50 grade of concrete.
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