Materials science

Silica fume

Composite material

Compressive strength

IOSR Journal of Mechanical and Civil Engineering

In the case of high performance concrete with strengths above M50, additions of small percentages of fibres contribute towards higher strengths especially in tension and flexure.Mineral admixtures used as part replacement to cement yield better workability and strength of concrete.In the present experimental investigation, mineral admixtures like condensed silica fume and Metakaoline are used as part replacement of ordinary Portland cement in M60 Concrete.Steel fibres of constant aspect ratio were used at different percentages varying from 0.0 to 1.5 in four steps.In total 20 cominations of admixtured fibrous concrete were prepared and tested for compressive, tensile and flexural strengths.The results have shown that optimum properties for high performance concrete (HPC) can be developed by employing suitable mineral admixtures with fibre reinforcement.

Strength Properties of Fibre Reinforced High Performance Concrete Blended with Metakolin and Condensed Silica Fume.