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Table 8 Water demand for normal consistency and setting times.

From: Optimal Use of MSWI Bottom Ash in Concrete

Sample

Substitution level (%)

Water demand (%)

Setting time (min)

UCS (MPa)

Pozzolanic activity index (%)

Initial

Final

7 days

28 days

OPC

BA

C0

100

0

26.1

179

230

23.4

42.6

 

C1

90

10

26.5

196

248

23.8

40.24

94.46

C2

80

20

27.4

228

268

24.6

37.66

88.4

C3

70

30

28.8

240

295

25.3

33.87

79.5

C4

50

50

30.1

253

321

21.9

24.8

58.2