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Research Article Open Access
Self-Consolidating 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. Self-Consolidating Concrete has properties that differ considerably from conventional concrete. This paper investigates the workability properties of Self-Consolidating Concrete containing fly ash and silica fume with super plasticizer and viscosity modifying agent. Conplast SP 337 was used as super plasticizer and Glenium Stream 2 was used as Viscosity modifying agent. The SCC trials were made as per EFNARC Specifications. In this paper trials were made at varying replacement levels (10%, 20%, 30%) of fly ash and silica fume. The workability properties of SCC such as filling ability, passing ability and segregation resistance are evaluated using workability tests such as slump flow, V-funnel and L-Box tests. The compressive strength of the cubes at 7 days, 28 days are also obtained and it was found that the mix have good compressive strength at 10% replacement.
Self–Consolidating Concrete, fly ash, silica fume, workability, Fly Ash