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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
  1. CF is carbon fiber; GF is glass fiber; AF is aramid fiber; PET is polyethylene terephthalate
  2. 1Cross-sectional area for bi-axially-woven PET sheet is given for axial direction only per 100 mm width; 2AF/PET hybrid strand consists of 120.8 mm2 PET and 10.9 mm2 AF per 100 mm width