Mechanical Performance and Numerical Simulation of Basalt Fiber Reinforced Concrete (BFRC) Using Double-K Fracture Model and Virtual Crack Closure Technique (VCCT)

Table 1

Properties of Portland cement.

Test	Cement type	Strength grade	Rupture strength (MPa)		Compressive strength (MPa)		Setting time (min)		Standard consistency (%)	Soundness (mm)
			3 d	28 d	3 d	28 d	Initial setting	Final setting
Result	P.O	42.5	5.20	7.8	20.1	45.2	155	255	28.0	1.5
Specification	P.O	42.5	≥3.5	≥6.5	≥17.0	≥42.5	≥45	≤600	—	≤5.0