Shear Behaviour of RC Beams Strengthened by Various Ultrahigh Performance Fibre-Reinforced Concrete Systems

Table 7

Results of new equations and numerical and analytical models for the ultimate load of the RC control beams with various shear span-to-depth ratios.

Beam ID	a/d ratio	Ultimate load (kN)				Error %
		FE model	EC2	ACI	New equation
CT-1.0	1.00	379	281	141	428	−12.93
CT-1.25	1.25	335	281	141	351	−4.78
CT-1.5	1.50	295	281	141	302	−2.37
CT-1.75	1.75	289	281	141	269	6.92
CT-2.0	2.00	285	281	141	244	14.39
CT-2.25	2.25	251	281	141	225	10.36
CT-2.50	2.50	212	281	141	211	0.47
CT-2.75	2.75	203	281	141	199	1.97
CT-3.0	3.00	178	281	141	189	−6.18
CT-3.25	3.25	172	281	141	181	−5.23
CT-3.50	3.50	167	281	141	174	−4.19
Absolute average error %						6.34