Mechanical Properties of Microsteel Fiber Reinforced Concrete and Its Gradient Design in the Partially Reinforced RC Beam

Table 4

. Properties of microsteel fibers.

Type	Diameter (mm)	Aspect ratio	Density (kg·m^−3)	Tensile strength (MPa)	Elasticity modulus (GPa)
Type I, smooth cold-drawn wire	0.2	65	7800	2850	240
Type II, deformed cut sheet				680	210