From: Shear Capacity Contribution of Steel Fiber Reinforced High-Strength Concrete Compared with and without Stirrup
Diameter, df (mm)
Length, lf (mm)
Aspect ratio (lf/df)
Density (g/cm3)
Tensile strength (MPa)
Elastic modulus (GPa)
Hooked-end steel fiber
0.55
35
65
7.9
1400
200