“Effect of Replacement of Cement by Silica Fume on the Strength Properties of SIFCON Produced From Waste Coiled Steel Fibres”

Mayank Srivastava, Ayush Singhal, Vishu Goyal

Abstract


A relatively new high performance and advanced material, ‘Slurry-infiltrated fibrous concrete’ (SIFCON) which is considered as a special type of fibre concrete with high fibre content Volume. The matrix usually consists of cement slurry. SIFCON is very good for application in areas where highly ductile and resistance to impact is needed. To improve the strength, wear resistance and durability of the concrete, a small fraction of short crimped fibres is used. In this paper, cement is partially replaced by SILICA FUME in SIFCON. SILICA FUME (SF) is a byproduct of producing silicon metal or ferro-silicon alloys, which blends with Portland cement to improve the durability and it reduces the porosity of concrete as the particle size of SF is very less. This experimental work focuses on strength development of SILICA FUME in SIFCON on partial replacement by 5%, 10%, 15% SF in cement with 8% fibre content by volume. To study influence of replacement of cement by silica flume and compare the compressive strength and flexural strength at different percentage of silica flume, is the basic objective of this project. 


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