Issue 52

H. EL-Emam et al., Frattura ed Integrità Strutturale, 52 (2020) 197-210; DOI: 10.3221/IGF-ESIS.52.16

B 1.15-A @P u1 st Crack =15kN

B 1.15-B @P u1 st Crack =16kN

B 1.15-A @ P u = 25.5kN

B 1.15-B @ P u = 25.5kN

B 1.15-A @ P u = 28.8kN

B 1.15-B @ P u = 28.8kN

B 1.15-A @ P u = 38.5kN

B 1.15-B @ P u = 38.5kN

B 1.15-A @ P u = 51kN

B 1.15-B @ P u = 51kN

B 1.15-B @ P u = 72kN B 1.15-A @ P ult = 72kN Figure 12: Comparison of a numerical crack pattern for strengthened beams with varying of concrete cover

208