Research Article

Study on Notch Sensitivity of Fracture Properties of Concrete Containing Nano-SiO2 Particles and Fly Ash

Table 2

Physical properties of nano-SiO2.

Average particle size (nm)SiO2 content (%)Specific surface area (m2/g)Apparent density (g/cm3)PH value

3099.5 0.0555–7