Issue 53

R. M. Reda et al., Frattura ed Integrità Strutturale, 53 (2020) 106-123; DOI: 10.3221/IGF-ESIS.53.09 121 Figure 18: The effect of end anchorage inclination angle and length on P u / P u, θ =0 for: (a) beams strengthened with one NSM bar and (b) beams strengthened with two NSM bars. Figure 19: The effect of end anchorage inclination angle and length on Δ u / Δ u, θ =0 for: (a) beams strengthened with one NSM bar and (b) beams strengthened with two NSM bars. Figure 20: The effect of end anchorage inclination angle and length on E / E θ =0 for: (a) beams strengthened with one NSM bar and (b) beams strengthened with two NSM bars. Figure 21: The effect of end anchorage length: (a) load-deflection curve, (b) steel strain and (c) FRP strain. 0 20 40 60 80 100 120 140 160 180 200 0 5 10 15 Load, (kN) Strain, (microstrain x 10 3 ) 2G‐0.5‐90/50 2G‐0.5‐90/100 2G‐0.5‐90/150 0 20 40 60 80 100 120 140 160 180 200 0 5 10 15 Load, (kN) Strain, (microstrain x 10 3 ) CB 2G‐0.5‐90/50 2G‐0.5‐90/100 2G‐0.5‐90/150 0 20 40 60 80 100 120 140 160 180 200 0 5 10 15 20 25 30 35 Load, (kN) Deflection, (mm) CB 2G‐0.5‐90/50 2G‐0.5‐90/100 2G‐0.5‐90/150 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 0 50 100 150 E/E θ=0 Leg inclination length (mm) Two NSM Bars 45        0.8L 45        0.5L 45        0.25L 60        0.8L 60        0.5L 60        0.25L 90        0.8L 90        0.5L 90        0.25L Leg             Bar angle     Length      1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 0 50 100 150 E/E θ=0 Leg inclination length (mm) One NSM Bar 45        0.8L 45        0.5L 45        0.25L 60        0.8L 60        0.5L 60        0.25L 90        0.8L 90        0.5L 90        0.25L Leg             Bar angle     Length      0.00 0.50 1.00 1.50 2.00 2.50 3.00 0 50 100 150 Δ u /Δ u,θ=0 Leg inclination length (mm) One NSM Bar 45        0.8L 45        0.5L 45        0.25L 60        0.8L 60        0.5L 60        0.25L 90        0.8L 90        0.5L 90        0.25L Leg             Bar angle     Length      0.00 0.50 1.00 1.50 2.00 2.50 3.00 0 50 100 150 Δ u /Δ u,θ=0 Leg inclination length (mm) Two NSM Bars 45        0.8L 45        0.5L 45        0.25L 60        0.8L 60        0.5L 60        0.25L 90        0.8L 90        0.5L 90        0.25L Leg             Bar angle     Length      1.00 1.10 1.20 1.30 1.40 1.50 1.60 0 50 100 150 P u /P u,θ=0 Leg inclination length (mm) Two NSM Bars 45        0.8L 45        0.5L 45        0.25L 60        0.8L 60        0.5L 60        0.25L 90        0.8L 90        0.5L 90        0.25L Leg             Bar             angle     Length          1.00 1.10 1.20 1.30 1.40 1.50 1.60 0 50 100 150 P u /P u,θ=0 Leg inclination length (mm) One NSM Bar 45        0.8L 45        0.5L 45        0.25L 60        0.8L 60        0.5L 60        0.25L 90        0.8L 90        0.5L 90        0.25L Leg             Bar angle     Length      (a) (b) (a) (b) (b) (a) (a) (b) (c)