Research Article
Experimental Study on Mechanical Performance of U-Shaped Steel-Encased Concrete Composite Beam-Girder Joints
Table 1
Mechanical properties of steel and reinforcement.
| Type of steel | Yield strength fy (MPa) | Ultimate strength fu (MPa) | Elastic modulus Es (MPa) | Yield strain εy (×10−6) |
| Reinforcement (Ф8) | 457 | 665 | 2.0 × 105 | 2285 | Reinforcement (Ф16) | 428 | 577 | 2.0 × 105 | 2140 | Steel plate (4 mm) | 382 | 608 | 2.06 × 105 | 1854 |
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ε y = fy/Es.
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