The Effects of Fiber Length and Volume on Material Properties and Crack Resistance of Basalt Fiber Reinforced Concrete (BFRC)

Table 5

Crack width of test specimens with different fiber lengths.

Specimens	Fiber length (mm)	Crack width at each knife-edge (mm)
		1	2	3	4	5	6	7
PC30	0	0.04	0.18	0.32	0.64	0.31	0.22	0.1
BF 30-12-0.05	12	0.04	0.08	—	0.32	0.13	—	0.1
BF 30-18-0.05	18	0.05	—	0.28	0.13	—	0.1	0.04
BF 30-24-0.05	24	0.12	—	0.26	—	0.42	0.14	0.1
BF 30-30-0.05	30	—	0.2	—	0.44	0.21	0.1	0.12
BF 30-36-0.05	36	—	0.05	0.12	0.58	0.18	0.16	0.18