Table 2 Chemical composition of cement and fly ash.

From: Study on the influence of coal-based solid waste on performance optimization of roadway pavement concrete

Chemicals(wt/%)

SiO2

Al2O3

CaO

Fe2O3

MgO

SO3

Other oxides

Loss on ignition

Cement

20.60

4.13

62.80

2.99

1.93

2.56

3.93

1.06

Fly ash

63.18

11.46

6.21

5.24

1.62

1.16

3.04

8.09