Research Article
Evaluation of the Flexural Performance and CO2 Emissions of the Voided Slab
| Specimens | Type of slab | Depth of slab (mm) | Specification of void former materials |
| S1 | Normal reinforced concrete slab | 210 | — | S2 | Voided slab | 210 | Sphere shape | Diameter 100 mm | S3 | Voided slab | 210 | Oblate shape | Diameter 170 mm | Height 110 mm | S4 | Normal reinforced concrete slab | 169 | — |
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