Experimental Investigation on Durability Properties of Concrete with Partial Replacement of Cement by Metakaolin and Fly Ash

Abstract

The demand and use of concrete have led to a lot of research into improving its strength, workability, durability, and many more. Improving the Durability of concrete is paramount in the construction of basic infrastructure in a bid to make it sustainable. In this study, the influence of the partial replacement of cement by Metakaolin (MK) and Fly Ash (FA) was investigated and the effects on durability properties were determined. Namely, two types of pozzolans were opted for this study which are Metakaolin and Fly ash This was done in a bid to reduce the cost of cement which is one of the most expensive components of concrete production, and also to improve sustainability in the construction industry. In this study partial replacement of cement has been done at 0%,5%,10%,15%,20% with MK(Metakaolin) and 0%,5%,10%,15%(constant) with FA (Fly ash). The compressive strength of concrete made with MK-FA has been compared with High strength concrete i.e., M60 grade of concrete. The optimized strength value of concrete will be achieved for compressive strength. In this study, we determined the Durability properties at 30, 90, and 120 days.