Table 2 Elastic and damage properties of unidirectional GFRP and CFRP composite laminas.
From: Strengthening RC beams and columns with CFRP, GFRP and KFRP laminates
lamina constants | Constitutive damage model parameters of lamina | |||||
|---|---|---|---|---|---|---|
| Â | GFRP | CFRP | Â | Â | GFRP | CFRP |
\({E}_{11,}GPa\) | 36.9 | 105.5 | Longitudinal tensile strength, MPa | \({X}_{T}\) | 820 | 1340 |
\({E}_{22,}GPa\) | 10 | 7.2 | Longitudinal compressive strength, MPa | \({X}_{C}\) | 500 | 1192 |
\({E}_{33,}GPa\) | 10 | 7.2 | Transverse tensile strength, MPa | \({Y}_{T}\) | 80.6 | 19.6 |
\({G}_{12,}GPa\) | 3.3 | 3.4 | Transverse compressive strength, MPa | \({Y}_{C}\) | 322 | 92.3 |
\({G}_{13,}GPa\) | 3.3 | 3.4 | Longitudinal shear strength, MPa | \({S}_{L}\) | 54.5 | 51 |
\({G}_{23,}GPa\) | 3.6 | 2.52 | Transverse shear strength, MPa | \({S}_{T}\) | 161.2 | 23 |
\({\nu}_{12}\) | 0.32 | 0.34 | Longitudinal tensile fracture energy, N/mm | \({G}_{XT}\) | 32 | 48.4 |
\({\nu}_{13}\) | 0.32 | 0.34 | Longitudinal comp. fracture energy, N/mm | \({G}_{XC}\) | 20 | 60.3 |
\({\nu}_{23}\) | 0.44 | 0.378 | Transverse tensile fracture energy, N/mm | \({G}_{YT}\) | 4.5 | 4.5 |
| Â | Â | Â | Transverse comp. fracture energy, N/mm | \({G}_{YC}\) | 4.5 | 8.5 |
