Research Article
Effect of Web Openings on Flexural Behaviour of Underground Metro Station RC Beams under Static and Cyclic Loading
| Beam | Cross section (mm2) | Opening | Tensile reinforcement | Compressive reinforcement | Concrete strength (MPa) | Amount | Ratio |
| R | 400 × 680 | — | 6 Փ 12 and 10 Փ 12 | 0.0067 | 10 Փ 12 and 2 Փ 12 | 41.6 | O (O1, O2) | 400 × 680 | 1 | 6 Փ 12 and 10 Փ 12 | 0.0067 | 10 Փ 12 and 2 Փ 12 | 42.0 | T (T1, T2) | 400 × 760 | 3 | 4 Փ 12 and 10 Փ 12 | 0.0052 | 11 Փ 12 | 41.8 |
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