Influence of Blast Furnace Slag as Coarse Aggregate on Various Grades of Self Compacting Concrete

Abstract:

Self-compacting concrete (SCC) is a highly workable concrete that can flow through densely reinforced complex structural elements under its own weight and adequately fill all voids without vibration or mechanical consolidation. Effective use of industrial waste products in concrete gains many economic, environmental, and social benefits rather than disposing of it as waste. The objective of this study is to investigate the effect of blast furnace slag as a partial replacement for coarse aggregate in M20, M30 and M40 grades of fly ash blended self-compacting concrete. The coarse aggregate was replaced at a range of 30% by blast furnace slag aggregate and the various fresh and hardened concrete properties were determined and compared. From the results, it is recommended that 30% of slag aggregate can be effectively utilized for various self-compacting concrete applications.

• Periodical: Advanced Materials Research (Volume 831)
• Pages: 18-22
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.831.18
• Online since: December 2013
• Authors: R. Krishnasami*, R. Malathy
• Keywords: Blast Furnace Slag, Coarse Aggregate, Fly Ash (FA), Self-Compacting Concrete, Strength

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