Abstract
Self-Compacting Concrete (SCC) is a special type of concrete that can be placed in its own weight and compacted without any vibrations. One of the biggest problems of its use in structures subject to high temperatures was the fire resistance of SCC materials. The grade of concrete used for this study is M20. Different replacement methods was adopted for the comparative performance study of supplementary mineral admixtures such as Fly Ash (FA), Silica Fume (SF) and Meta-Kaoline (MK). Fine aggregate and coarse aggregate are replaced with FA by 5% and 3% respectively. Fine aggregate is replaced with SF by 3%. Fine aggregate and coarse aggregate are replaced with MKby 4% and 2% respectively. Specimens are casted in cylinders of 150mm diameter and 63.5mm heightand cured for 28 days. After 28 days, specimens were heated in the muffle furnace at 500, 750 and 1000°C. Then all the specimens were tested and observed for impact strength, colour change and weight loss.
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