Research Article
Flexural Ductility, Stiffness, and Toughness of New Voided Reinforced Concrete One-Way Slab Using Waste Plastic Bottles
Table 4
Ductility and toughness indices.
| | ST100SO | ST130SO | ST130VO | ST140VO | ST150VO |
| Ductility (∆u/∆y) conventional method | 1.73 | 1.31 | 3.31 | 2.61 | 2.73 | S | 5.41 | 8.39 | 17.39 | 6.92 | 17.50 | Ductility by energy method (μo) | 1.57 | 1.17 | 3.31 | 1.02 | 1.70 | Response of load-deflection curve | Trilinear | Trilinear | Bilinear | Trilinear | Bilinear | Average flexural stiffness (AFS) kN/mm Pu/∆u | 5.05 | 9.31 | 6.93 | 9.62 | 13.94 | Toughness (kN·mm) | 323.511 | 258.8 | 255.75 | 235.83 | 174.93 |
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