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

Table 1

Properties of Portland cement.

Apparent density (kg·m^−3)	Sieve residue under 80 μm (%)	Water required for normal consistency (%)	Setting time (min)		Compressive strength (MPa)		Flexural strength (MPa)
			Initial	Final	3 d	28 d	3 d	28 d
3100	0.0	27.6	145	225	30.0	50.0	5.9	9.6