International Journal of Concrete Structures and Materials

Table 4 Chemical compositions of fly ash from 31 representative thermal power stations 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	K₂O	Na₂O	SO₃	Loss on ignition
Mass fraction	33.9–59.7%	16.5–35.4%	1.5–19.7%	0.8–10.4%	0.7–1.9%	0.6–2.9%	0.2–1.1%	0.0–1.1%	1.2–23.6%
Mean value	50.6%	27.1%	7.1%	2.8%	1.2%	1.3%	0.5%	0.3%	8.2%

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