Abstract
Production of cement results in the release of carbon in the atmosphere resulting in degradation of environment. Involvement of nanotechnology in concrete production can decrease the consumption of cement in concrete. In this study, an effort has been made to analyze the influence of nano-modification on the workability and strength parameters of concrete. For the purpose of nano-modification, nano CaCO3 (NC) was utilized. Concrete mixes were prepared with 1 and 2% content of nano CaCO3 with respect to the weight of the binder. As per the study, when cement was replaced with NC, the strength properties of concrete were significantly improved. Compressive strength results of NC-added mix after a curing period of 28 days show the highest improvement in strength of about 60% in comparison with a controlled mix. Addition of NC reduces the pores and capillaries in the concrete making the concrete more durable. Addition on NC also increases the flowability of the mix making the mix more workable.
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