Application of Nanomaterials on Cement Mortar and Concrete A Study (original) (raw)

Nanomaterials--a topic of contemporary research--has vast applications in all research areas starting from semiconductors to energy to textiles to construction. Recent investigations showed that small addition of nanoparticles, viz., Nanosilica (nS), Carbon Nanotubes (CNT) and Nano Titanium Dioxide (TiO₂), have enhanced the 28-day strength of cement mortar when added in optimized quantities, and the same optimization when repeated for concrete produced good results. However, their long-term strength differs due to the poor control of the degree of freedom of their valence electron, i.e., nanomaterials tend to get oxidized in the long run. In this paper, a technical comparison of the 28-day and long-term mechanical strength of the nanoadditions to cement mortars is made with reference to ordinary controlled cement mortars and also when the same optimization is applied for nanoconcrete with reference to controlled concrete at 28 days.

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