Light Weight Concrete with Full Replacement for Fine and Partial Replacement for Coarse Aggregate
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 6
Abstract
The normal concrete has a density of 2500 kg/ m 3 which makes it difficult to handle at the time of construction and increasing the sectional dimensions of structural elements. The major contributions to the density of concrete is the high specific gravity of coarse and fine aggregate. In the present study, an attempt has been made to replace both coarse and fine aggregate by lighter weight material to achieve concrete of lighter density. Coarse aggregate was replaced by cinder in various percentages and fine aggregate was replaced by fly ash granules completely. M20 grade of concrete was designed as per IS10262-2009. Steel fibres at 1% by weight of cement was added to impart tensile strength. The cement was replaced by GGBS by 30 % in weight to add strength. Compression, split tensile and flexural strength were conducted at 28 days. It was observed from the results that the reduction in strength after 40% replacement of coarse aggregate was nearly unchanged
Authors and Affiliations
Savithri S Karanth, Ranjith N Reddy, Sachin Shekhar, Rohith Kumar, Syed Moshin
Keywords
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