Study on Mechanical Properties and Optimum Fiber Content for Basalt/Polyacrylonitrile Hybrid Fiber Reinforced Concrete

Table 2

Volume rate of fibers (%).

Concrete type	Symbol	BF	PF
Plain concrete	A-1	—	—
Single fiber concrete	A-2	0.1	—
	A-3	0.15	—
	A-4	0.2	—
	P-1	—	0.07
	P-2	—	0.09
	P-3	—	0.11
B-P hybrid fiber dimensional concrete	H-1	0.1	0.07
	H-2	0.1	0.09
	H-3	0.1	0.11
	H-4	0.15	0.07
	H-5	0.15	0.09
	H-6	0.15	0.11
	H-7	0.2	0.07
	H-8	0.2	0.09
	H-9	0.2	0.11