Damage Evolution of Steel-Polypropylene Hybrid Fiber Reinforced Concrete: Experimental and Numerical Investigation

Table 2

Major properties of fibers.

Fiber species	No.	Aspect ratio	Equivalent diameter (mm)	Fiber type	Density (g/cm^3)	Tensile strength (MPa)	Feature
Steel fiber	SA	30	0.55	Corrugated type	7.8	≥600
	SB	60
	SC	80
Polypropylene fiber	PA	167	0.048	Monofilament type	0.91	≥400