Symbiotic Outcomes of Potency and Microstructure on Nano Composite with Microsilica and Nanosilica Additives

Abstract:

Development and promotion of nano materials and technology has gained more attention of research scholars world wide spreding to different disciplines. In this research an approach has been made to study and investigate the behavioural properties and examine the microstuructural qualities of nano composite bricks replacing the cement with microsilica (mS) and nanosilica (nS) additives. The investigation was conducted using four types of specimens being normal concrete mixture with 0% of mS and nS, with 5%, 6% and 7% of mS, with 1%, 1.5% and, 2% of nS and replacing the cement with mixure of 5%+1%, 6%+1.5% and 7%+2% of mS and nS respectively. The results showed that, the maximum compression strength of 27.62MPa and 37.67MPa with the maximum flexural strength of 22.76MPa and 33.56MPa were possible when 6% of mS and 1.5% of nS were replaced respectively. Also, it was found that the maximum compression strength of 31.47MPa and flexural strength of 31.95MPa were achieved when we add 6%+1.5% mS and nS was added together in the concrete mix. The Scanning Electron Microscope (SEM) results revealed that, the mixture of mS and nS enhances the mechanical properties and the addition of mS and nS gives more symbiotic effects of densifying the microstructure in the hardened concrete mixture leading to better harmonic effects on durability.

• Periodical: Journal of Nano Research (Volume 57)
• Pages: 105-116
• DOI: https://doi.org/10.4028/www.scientific.net/JNanoR.57.105
• Online since: April 2019
• Authors: Swetha Madhusudanan, Lilly Rose Amirtham, S. Nallusamy*
• Keywords: Brick, M30 Concrete Mix, Mechanical Properties, Microsilica, Microstructure, Nano Silica

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