Table 2 Technical performance indexes of fly ash.

From: Investigation of the effect of fly ash content on the bonding performance of CFRP-concrete interface in sulfate environment

Data type

Fineness/% (0.045 mm)

Water demand ratio/%

The content of SO3 (%)

Moisture content (%)

Ignition loss (%)

Quality grade

GB 1596-200535

 ≤ 25

 ≤ 105

 ≤ 3.0

 ≤ 1.0

 ≤ 8.0

Level II

observed data

16.4

98

1.22

0.8

6.2

Level II

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