Effects of nano-SiO2 particles on the mechanical and microstructural properties of ultra-high performance cementitious composites

By Zhidan Rong, Wei Sun, H. Xiao, Guang Jiang. 2015

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Ultra-High Performance Concrete: Mechanical Performance, Durability, Sustainability and Implementation Challenges (2016, background): “An optimum amount of nS was reported to be 3.74 % by binder mass (Rong et al. 2015; Yu et al. 2014).”
The effect of nano-SiO2 on concrete properties: a review (2019, background): “[76] found that when the nano-SiO2 content was 3%, the nano-SiO2 modified mortar provided the highest flexural strength at curing for 3 days, 7 days, 28 days and 90 days.”
Recent advances in understanding the role of supplementary cementitious materials in concrete (2015, background): “[108] reported an increase in 28-day compressive strength from 75 MPa (control) to 95 MPa, with inclusion of 3% nano-silica (NS) as partial replacement of cement.”
Effect of nano-silica on the mechanical and transport properties of lightweight concrete (2015, background): “Previous literature has well documented that NS can accelerate the hydration of cement or blended cement [10,17,18,21,25,26].”