Research Article
Experimental Investigation on the Effect of Steel Fibers on the Flexural Behavior and Ductility of High-Strength Concrete Hollow Beams
Table 4
Ductility indices of the solid and hollow tested beams.
| | Beam ID | Δy (mm) | Δp (mm) | Δu (mm) | µp = Δp/Δy | µu = Δu/Δy |
| | S-0 | 4.17 | 15.14 | 15.60 | 3.63 | 3.74 | | S-0.5 | 3.51 | 13.15 | 13.70 | 3.75 | 3.90 | | S-1.0 | 3.62 | 10.96 | 14.80 | 3.03 | 4.08 | | S-1.5 | 2.98 | 6.88 | 16.50 | 2.31 | 5.54 | | H-0 | 3.72 | 13.15 | 15.78 | 3.53 | 4.24 | | H-0.5 | 3.41 | 11.65 | 16.20 | 3.41 | 4.75 | | H-1.0 | 3.39 | 9.55 | 17.90 | 2.82 | 5.28 | | H-1.5 | 3.36 | 10.16 | 19.80 | 3.02 | 5.89 |
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