Performance and Microstructural Analysis of Lightweight Concrete Blended with Nanosilica under Sulfate Attack

Table 2

Physical properties of aggregates and NS.

	Surface area (m^2/g)	Apparent relative density (kg/m^3)	Water absorption (%)
PE	2.10	305.5	42.0
AL	1.13	519.9	10.3
NS	51.40	1.12	—