Shear Strengthening of RC Beams with FRP Composites: Database of FE Simulations and Analysis of Studied Parameters

Figure 1

Summary of parameters studied on RC beams strengthened in shear by FRP composites by FEA. Note: (a) year; (b) no. of specimens; (c) rectangular section; (d) T-section; (e) I-section; (f) ; (g) ; (h) ; (i) interface (concrete-to-FRP); (j) interface (concrete-to-steel); (k) smeared crack model; (l) smeared + crack band; (m) discrete crack model; (n) types of configuration in shear and different FRP materials; (o) size effect, concrete strength; (p) analysis approach types of solvers in FEA (dynamic versus static); (q) ratio of longitudinal steel reinforcements , steel stirrups , and EB FRP ; (r) effective stress and strain, bond-length, distribution factors; (s) types of the failure (debonding, delamination, rapture); (t) number, size, types of elements in simulation; (u) strain, stress and slip distribution along the vertical, horizontal axis of the beam or along diagonal crack on FRP fabrics/laminates; (v) interaction between components, types of interface elements; (w) load-deflection curve, total shear capacity, (x) shape function of the crack, crack pattern, crack width; (y) full wrap; (z) continuous U wrap; (ab) NSM, ETS; (ac) continuous side-bonded; (ad) side-bonded strips; (af) U strips.