Table 3 Specimen’s cracking load, failure load, and deflection.
Specimens | Cracking load (kN) | Failure load (kN) | Deflection at failure (mm) | Failure mode |
|---|---|---|---|---|
S1 | 20 | 130 | 13 | Brittle |
S2 | 22 | 135 | 15.5 | Brittle |
S3 | 23 | 141 | 17 | Brittle |
S4 | 25 | 200 | 22 | Ductile |
S5 | 27 | 220 | 28 | Ductile |
S6 | 30 | 244 | 35 | Ductile |
S7 | 35 | 300 | – | N/A |