Effect of nanosilica on characterization of Portland cement composite

By Jeng-Ywan Shih, Ta-Peng Chang, Tien-Chin Hsiao. 2006

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SCC modification by use of amorphous nano-silica (2014, background): “[74] who found a small difference in the porosity (2.”
Effect of nano-silica on the hydration and microstructure development of Ultra-High Performance Concrete (UHPC) with a low binder amount (2014, background): “In the available literature it can be found that with the addition of nano-silica in cement or concrete, even at small dosages, nanosilica can significantly improve the mechanical properties of cementitious materials [7].”
Characterization of alkali activated slag–fly ash blends containing nano-silica (2015, background): “Due to its considerably fine particle size, nano-silica has been observed to accelerate the hydration process at early ages [23], refine the pore structure [24,25] and enhance the mechanical properties even at small levels of replacement [26].”
State-of-the-art report on use of nano-materials in concrete (2014, background): “Several studies indicated that the addition of nanoSiO2 in cement paste can improve the compressive strength of concrete due to its high surface area and pozzolanic effect (Ji 2005, Shih et al. 2006, Flores et al. 2010, Said et al. 2012, Gonzalez et al. 2013), as evident from Figure 6.”