Table 8 FS of SF-incorporated GPC.

From: Strength, durability, and economic analysis of GGBS-based geopolymer concrete with silica fume under harsh conditions

Beam designation

28 days (MPa)

Increase in FS (%)

Fcr* (Mpa)

90 days (MPa)

Increase in FS (%)

0SF

4.82

–

4.73

5.55

–

5SF

4.92

2.07

4.73

5.59

0.72

10SF

5.01

3.94

4.86

5.66

1.98

15SF

4.84

0.41

4.74

5.56

0.18

  1. *28 days FS as per IS 456:2000 Fcr* = 0.7√fck.
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