Reducing Porosity and Increasing Strength of Concrete through the Incorporation of Silica Fume and Nano-Silica: Experimental Investigation and Characterization

Volume 20 No 22 (2022)

Mr. Karan Babbar & Dr. Pankaj Kumar Singh

DOI: 10.48047/nq.2022.20.22.NQ10378

Abstract

The paper discusses experiments conducted to examine the effects of nano-SiO2 on concrete properties. The results showed that adding nano-SiO2 improved the compressive strength and reduced porosity of the concrete. However, beyond a certain concentration, the benefits reached a plateau. Flexural strength also increased with nano-SiO2, The addition of nano-SiO2 reduced capillary absorption, indicating improved water resistance. Overall, while nano-SiO2 showed some improvements, and further research is needed to optimize concrete mix designs

Keywords

Silica Fume, Nano Silicon Dioxide, Porosity

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