Table 8 Optimum experimental and analytical Class F fly ash dosage at various immersion ages.
Aggregate ID | Immersion age (days) | Control expansion (%) | Expansion of treated bars below failure limit (%) | Experimental Class F fly ash (%) | Analytical Class F fly ash dosage (%) |
|---|---|---|---|---|---|
RA-A | 14 | 0.890 | 0.099 | 25 | 37.9 |
28 | 1.185 | 0.236 | 25 | 27.6 | |
56 | 1.323 | 0.434 | 25 | 22.7 | |
RA-B | 14 | 0.465 | 0.081 | 20 | 36.8 |
28 | 0.620 | 0.261 | 15 | 19.3 | |
56 | 0.800 | 0.409 | 15 | 17.9 | |
RA-C | 14 | 1.098 | 0.081 | 25 | 44.0 |
28 | 1.610 | 0.251 | 25 | 31.3 | |
56 | 2.050 | 0.389 | 30 | 33.0 | |
RA-D | 14 | 0.940 | 0.084 | 25 | 41.5 |
28 | 1.472 | 0.244 | 25 | 30.2 | |
56 | 1.828 | 0.352 | 30 | 32.3 |