Research Article
Stiffness and Crack Behavior of Unbonded Posttensioned Concrete Beam Strengthened with Aluminum Alloy Plate
Table 3
Properties of reinforcing bars.
| | Bar size | Grade (MPa) | Yielding stress (MPa) | Ultimate stress (MPa) | Elasticity modulus Es (MPa) |
| | C8 | 400 | 402 | 575 | 197000 | | C12 | 400 | 402 | 575 | 197000 | | C18 | 400 | 452 | 648 | 197000 | | C22 | 400 | 405 | 629 | 197000 | | C25 | 400 | 489 | 672 | 197000 |
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