Table 1 The design and preparation scheme of steel-fiber concrete specimens.
No. | Parameters of steel-fiber | ||||
|---|---|---|---|---|---|
Volume percentage (%) | Shape | Length (mm) | Length–diameter ratio | Remarks | |
FC00 | – | – | – | – | Ordinary concrete |
FC01 | 1.5 | Hook-end shape | 32 | 60 | Shape contrast |
FC02 | 1.5 | Corrugated shape | 32 | 60 | |
FC03 | 1.5 | Dumbbell shape | 32 | 60 | |
FC04 | 1.5 | Hook-end shape | 32 | 60 | Length contrast |
FC05 | 1.5 | Hook-end shape | 45 | 60 | |
FC06 | 1.5 | Hook-end shape | 50 | 60 | |
FC07 | 1.5 | Hook-end shape | 45 | 40 | Length–diameter ratio contrast |
FC08 | 1.5 | Hook-end shape | 45 | 60 | |
FC09 | 1.5 | Hook-end shape | 45 | 80 | |
FC10 | 1.0 | Hook-end shape | 45 | 60 | Volume percentage contrast |
FC11 | 2.0 | Hook-end shape | 45 | 60 | |
FC12 | 3.0 | Hook-end shape | 45 | 60 | |