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Table 11 Slump values of all the mix designs

From: Combined Use of Sewage Sludge Ash and Silica Fume in Concrete

Mix design No

SSA and SF (%)

Superplasticizers (gr)

Ratio of plasticizers to cement %

Slump (cm)

1

0% SSA

0

0

11

2

5% SSA

0

0

10

3

10% SSA

0

0

10

4

15% SSA

0

0

9

5

20% SSA

50

0.33

9

6

30% SSA

75

0.5

7

7

0% SSA + 10% SF

0

0

9

8

10% SSA + 10% SF

30

0.6

10

9

20% SSA + 10% SF

45

0.9

11

10

30% SSA + 10% SF

60

1.2

10

  1. SSA Sewage sludge ash, SF Silica fume