International Journal of Concrete Structures and Materials

Table 3 Common ranges of chemical compositions of silica fume used in China.

From: Influence of Pore Structure Characteristics on the Mechanical and Durability Behavior of Pervious Concrete Material Based on Image Analysis

Composition	SiO₂	Al₂O₃	Fe₂O₃	CaO	MgO	Na₂O
Mass fraction	80–92%	0.8–1.2%	0.6–1.2%	0.2–0.4%	0.6–0.8%	1.1–1.5%

Back to article page