Using Steel Fiber-Reinforced Concrete Precast Panels for Strengthening in Shear of Beams: An Experimental and Analytical Investigation

Table 7

Calculation for the regressing equation of average tensile strength perpendicular to the diagonal crack.

Name	SFRC panels			fv (MPa)	Stiffness of fiber fraction, Esρs (GPa)	Stiffness of bolt group, nEbAb/Apanel (GPa)	fv/ft
	Thickness (mm)		ft
		(MPa)	(MPa)
B1	15	70	5.24	8.30	3.15	0.86	1.58
B2	20	70	5.24	3.72	3.15	0.86	0.71
B3	10	50	4.95	6.90	3.15	0.86	1.39
B4	10	90	6.64	8.59	3.15	0.86	1.29
B5	10	70	5.24	3.67	3.15	0.43	0.70
B6	10	70	5.24	8.53	3.15	1.08	1.63
1.5F-epoxy	10	60.8	5.34	7.74	3.15	0.00	1.45
0F-8D12	10	56.8	3.77	12.39	0	0.86	3.29
1F-8D12	10	69.7	4.98	9.32	2.1	0.86	1.87
1.5F-8D12	10	60.8	5.34	5.81	3.15	0.86	1.09
1.5F-4D12	10	60.8	5.34	5.37	3.15	0.43	1.00
1.5F-6D12	10	60.8	5.34	4.44	3.15	0.65	0.83
1.5F-6D10	10	60.8	5.34	4.58	3.15	0.45	0.86
1.5F-8D10	10	60.8	5.34	8.22	3.15	0.60	1.54

f_v is computed from the experiment and FE based on equations (1)–(3).