An Experimental Study on Self Compacting Concrete by Partial Replacement of Fine Aggregate with Manufactured Sand
Keywords:
M-Sand- Manufacture Sand, SCC- Self Compacting Concrete, N-sand- Natural SandAbstract
In the present situation the scarcity of natural sand has become a problem for the construction industry, after much research the developed technology gave rise to new generation sand named as M-sand or Manufacture sand. The M-sand is produced by crushing rocks and stones to sizes and shape similar to N-sand or Natural sand. In the present study an effort has been made to investigate the potential usage of M-sand in SCC. Self-Compacting Concrete (SCC) is an innovative concrete that does not require vibration for placing and compaction. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. In the work, an attempt has been made to make a comparative study on the fresh and hardened state properties of M35 self-compacting concrete with the replacement of River sand by manufactured sand. This paper presents an Experimental Investigation on Strength aspects like Compressive and Split Tensile Strength of Self Compacting Concrete and Workability tests (Slump, L-box, U-box, V-Funnel and T50) are carried out. The methodology adopted is that manufactured sand is replaced by 0%, 25%, 50%, 75% and 100% in natural sand and performance is measured.
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