w/b

Initial slump (mm)

Entrained air content (%)

Cont

20GP

30GP

30FFA

30GGBS

Cont

20GP

30GP

30FFA

30GGBS

0.65

170

195

190

190

195

5.4

7.0

6.2

5.5

7.5

0.55

200

195

195

200

170

7.2

7.4

5.8

6.6

7.3

0.40

220

230

230

240

240

6.8

5.5

6.6

7.6

6.9

0.35

230

230

220

195

230

6.6

6.0

7.2

6.0

6.4