MICRO STRUCTURAL STUDY ON NANO FLY ASH CONCRETEM. Harihanandh and N.K. Amudhavalli
The green concrete is capable for sustainable development and characterized by the application of industrial wastes to reduce the pollution of environment. Nano concrete is the new generation concrete made by nanomaterial. The raw fly ash from thermal power plant has been converted in to nano size due to continuous ball milling process of more than eight hours and confirmed by SEM and EDEX. In this research the material used in the concrete is cement of OPC, nano fly ash of 10 â 200nm, fine aggregate of 150 Î¼mâ10mm and the coarse aggregate 5â20 mm. Application of nanotechnology favors to reduce the pollution of environment and also formulate high performance concrete. The results reveal that the increase in percentage of compressive strength of nano fly ash concrete is 10%, 22% and 25% greater than the compressive strength of ultra fine fly ash, raw fly ash and conventional concrete.
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