Experimental Study on Compressive Strength of M20 Grade Concrete with Partial Replacement of Cement by Metakaolin and Quarry Dust Powder

Ordinary Portland cement (OPC) is conventionally used as the primary binder to produce concrete. In the world, Cement consumption has increased exponentially since 1926 and is continuing to increase because of its scale of consumption and manufacturing. Cement production in 2003 was approximately1.2 billion tonnes and this was expected to grow to about 4.42 billion tonnes/year by 2021. This reflects global developments and population growth in infrastructure and the excellent strength and durability properties that concrete provides. In the present study Metakaolin and Quarry dust powder used as a partial replacement of cement. In this study, two Mix’s was carried out first(Mix-1) is a partial replacement of cement by Metakaolin as 0%, 5%, 10%, 15%, 20%. And second (Mix-2) is Quarry dust powder as the partial replacement of cement by varying percentage of 0%, 5%, 10%, 15%, 20%. For analyzing the suitability of these wastes like Quarry dust powder and Metakaolin in the concrete of M20 grade mix. The compressive strength test for 7 days and 28 days cube has been conducted for all mixes. In this research, the effect of partial replacement of cement by Metakaolin and Quarry dust powder in the design concrete mix has been studied. Based on experimental studies cube specimens have been designed. The optimum percentage of cement replacing with Metakaolin and Quarry dust powder was determined to be 20% for compressive strength. The tests were conducted to study the compressive strength of concrete after finalizing the optimum mix. On comparing the results, it has been found that compressive strength increases on varying percentage replacement of cement by metakaolin and compressive strength decrease on varying percentage replacement of cement by Quarry dust powder.