Table 6 Models description.
From: Strengthening of corroded RC slab–column joints using thin-ply hybrid FRP under punching shear
Factors | Specimen ID | Number of layers | FRP thickness (mm) | FRP location from column face (mm) | Strengthening configurations |
|---|---|---|---|---|---|
Low tensile reinforcement ratio (0.5%) | S-H-0.5 (corroded control) | – | – | – | – |
S-0.5 | 1 | 1.2 | 50 | Skewed FRP sheets | |
O-0.5 | 1 | 1.2 | 50 | orthogonal FRP sheets | |
O-R-0.5 | 1 | 1.2 | 0 | orthogonal-radial FRP sheets | |
S-R-0.5 | 1 | 1.2 | 0 | skewed-radial FRP sheets | |
Medium tensile reinforcement ratio (0.92%) | S-H-0.92 (corroded control) | – | – | – | – |
S-0.92 | 1 | 1.2 | 50 | skewed FRP sheets | |
O-0.92 | 1 | 1.2 | 50 | orthogonal FRP sheets | |
O-R-0.92 | 1 | 1.2 | 0 | orthogonal-radial FRP sheets | |
S-R-0.92 | 1 | 1.2 | 0 | skewed-radial FRP sheets | |
High tensile reinforcement ratio (1.5%) | S-H-1.5 (corroded control) | – | – | – | – |
S-1.5 | 1 | 1.2 | 50 | skewed FRP sheets | |
O-1.5 | 1 | 1.2 | 50 | orthogonal FRP sheets | |
O-R-1.5 | 1 | 1.2 | 0 | orthogonal-radial FRP sheets | |
S-R-1.5 | 1 | 1.2 | 0 | skewed-radial FRP sheets | |
Number of layers | S-H-C1 | 1 | 1.2 | 50 | Skewed FRP sheets |
S-H-C2 | 2 | 1.2 | 50 | Skewed FRP sheets | |
S-H-C3 | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-C4 | 4 | 1.2 | 50 | Skewed FRP sheets | |
S-H-C5 | 5 | 1.2 | 0 | Skewed FRP sheets | |
FRP thickness | S-H-C1-0.2 | 1 | 0.2 | 50 | Skewed FRP sheets |
S-H-C1-0.6 | 1 | 0.6 | 50 | Skewed FRP sheets | |
S-H-C1-1.2 | 1 | 1.2 | 50 | Skewed FRP sheets | |
S-H-C1-1.6 | 1 | 1.6 | 50 | Skewed FRP sheets | |
S-H-C1-2 | 1 | 2 | 50 | Skewed FRP sheets | |
FRP location from column | S-H-C1-0 | 1 | 1.2 | 0 | Skewed FRP sheets |
S-H-C1-15 | 1 | 1.2 | 15 | Skewed FRP sheets | |
S-H-C1-30 | 1 | 1.2 | 30 | Skewed FRP sheets | |
S-H-C1-50 | 1 | 1.2 | 50 | Skewed FRP sheets | |
Strengthening schemes | S-H-GC | 2 | 1.2 | 50 | Skewed FRP sheets |
S-H-CG | 2 | 1.2 | 50 | Skewed FRP sheets | |
S-H-CC | 2 | 1.2 | 50 | Skewed FRP sheets | |
S-H-GG | 2 | 1.2 | 50 | Skewed FRP sheets | |
S-H-GGG | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-GCG | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-GGC | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-GCC | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-CCC | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-CGC | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-CCG | 3 | 1.2 | 50 | Skewed FRP sheets | |
S-H-CGG | 3 | 1.2 | 50 | Skewed FRP sheets |
