From: Control of Tensile Behavior of Ultra-High Performance Concrete Through Artificial Flaws and Fiber Hybridization
Type of fiber
Diameter (μm)
Length (mm)
Tensile strength (MPa)
Density (g/cm3)
Elastic modulus (GPa)
Steel
200
16.3, 19.5
2500
7.8
PE
12
18
2700
0.97
88