Table 2 Properties of fly ash (Class II).

From: Comparative study on the properties of basalt and steel fiber reinforcement waste rock concrete

Fineness (%)

Water demand ratio (%)

Quantity lost through burning (%)

Water content (%)

SO3 content (%)

Density (kg/m3)

Free calcium oxide content (%)

Unit price (RMB/t)

28.4

94

5.11

0.7

3

2520

0.36

235