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

Table 11

Results of the RC beam specimens strengthened with one vertical face of reinforced and nonreinforced UHPFRC layer with constant shear span-to-depth ratio = 2.0.

Beam ID	Longitudinal reinforcement (ratio = As/AUHPFRC %)	Transversal reinforcement (ratio = Ast/AUHPFRC %)	Ultimate load (kN)	Deflection at ultimate load (mm)	Stiffness (kN/mm)
CT-2.0	—	—	285	6.90	75
SB-1SJ-ST-100	—	—	289	2.03	226
SB-1SJ-ST-200	—	—	290	2.38	235
SB-1SJ-0.33L	—	—	287	2.52	225
SB-1SJ-0.74 L	—	—	293	2.60	245
SB-1SJ-2.0	—	—	300	2.21	276
SB-1SJ-2.3-3.6	2Ø10 (2.30)	5Ø8/m (3.60)	318	5.70	280
SB-1SJ-3.3-3.6	2Ø12 (3.30)	5Ø8/m (3.60)	328	5.85	285
SB-1SJ-5.8-3.6	2Ø16 (5.80)	5Ø8/m (3.60)	352	6.10	290
SB-1SJ-7.4-3.6	2Ø18 (7.40)	5Ø8/m (3.60)	376	6.20	295