Research Article
Flexural Behaviour of RC Beams Strengthened with Prestressed CFRP NSM Tendon Using New Prestressing System
Table 1
Summary of material properties.
| | Material | Properties |
| | Compressive strength (MPa) | 27 |
| | Tension steel reinforcement | Yield strength (MPa) | 426 | | Tensile strength (MPa) | 562 | | Diameter (mm) | 9.53 | | Area (cm2) | 0.7133 |
| | Compression steel reinforcement | Yield strength (MPa) | 481 | | Tensile strength (MPa) | 608 | | Diameter (mm) | 12.7 | | Area (cm2) | 1.267 |
| | Bond strength (MPa) | 3.61 | | Compressive strength (MPa) | 112 | | Flexural strength (MPa) | 63.7 |
| | CFRP tendon | Diameter (mm) | 9.5 | | Tensile strength (MPa) | 2500 | | Elastic modulus (GPa) | 135 |
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(): from tests carried out by the authors; (): provided by supplier.
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