Table 4 Theoretical first crack and ultimate loads and comparison with experimental results.
Specimen | First crack load | Ultimate load | Failure mode | |||
|---|---|---|---|---|---|---|
Theoretical load (P cr.theor ) (kN) | P cr.exp/ P cr.theor | Distance to neutral axis from top of beam (mm) | Theoretical load (P u.theor ) (kN) | P u.exp/ P u.theor | ||
C | 22 | 0.91 | 36 | 64.2 | 1.03 | Flexural |
WSC | 31.5 | 1.01 | 51 | 80.4 | 1.07 | Flexural |
WDC | 42.8 | 0.94 | 49 | 90.8 | 1.09 | Flexural |
WSB | 26.0 | 1.08 | 50 | 81.3 | 0.87 | Flexural |
WSS | 30.9 | 1.04 | 48 | 82.3 | 1.02 | Flexural |
WSR | 30.6 | 1.04 | 49 | 81.1 | 1.08 | Flexural |
ESC | 28.6 | 0.99 | 45 | 73.1 | 1.00 | Flexural |
EDC | 33.9 | 0.91 | 45 | 76.4 | 1.00 | Flexural |
ESB | 19.0 | 1.05 | 45 | 54.8 | 0.99 | Shear |
ESS | 28.6 | 0.93 | 43 | 73.9 | 1.01 | Flexural |
ESR | 28.4 | 0.94 | 48 | 71.2 | 1.04 | Flexural |