Table 1 Material properties of fibers and adhesive
From: Seismic Retrofitting of RC Circular Columns Using Carbon Fiber, Glass Fiber, or Ductile PET Fiber
Fiber type | Density g/mm3 | Thickness mm | Cross-sectional area mm2 | Tensile strength MPa | Max. strain in tension | Elastic modulus MPa | Stress–strain behavior |
|---|---|---|---|---|---|---|---|
CF roving | 0.00180 | – | 0.446 | 1,970 | 0.0116 | 169,000 | Linear |
GF roving | 0.00254 | – | 0.970 | 788 | 0.0176 | 44,800 | Linear |
AF roving | 0.00144 | – | 0.109 | 2126 | 0.0243 | 87,400 | Linear |
PET sheet1 | 0.00140 | 0.106 | 5.250 | 613 | 0.1495 | 7100 | Non-linear |
AF/PET (HF) strand2 | – | 1.317 | 132.000 | 630 | 0.1540 | – | Non-linear |
Epoxy | – | – | – | 40.9 | 0.0258 | 1586 | Linear |