Research Article
Reaction Spectrum Comparative Analysis of Seismic Performance of 62 m CFST Bridge with Curved-String Truss before and after Reinforcement
Table 6
The peak values of the internal force of the bridge.
| Working conditions | Typical section | Axial force (kN) | Transverse shear (kN) | Vertical shear (kN) | In-plane bending moment (kN·m) | Out-of-plane bending moment (kN·m) |
| 1 | Fixed end | 4977.01 | 20.31 | 398.83 | 778.69 | 300.28 | 1/4L | 4329.28 | 26.18 | 109.92 | 433.59 | 82.61 | 1/2L | 4037.94 | 7.77 | 216.20 | 406.37 | 31.00 | 3/4L | 4331.43 | 25.85 | 76.89 | 398.83 | 86.92 | Active side | 4912.23 | 20.96 | 370.48 | 589.34 | 303.32 |
| 2 | Fixed end | 4905.89 | 47.11 | 378.36 | 727.27 | 924.61 | 1/4L | 4241.07 | 83.52 | 113.45 | 443.74 | 264.87 | 1/2L | 3938.51 | 20.32 | 223.20 | 406.23 | 84.68 | 3/4L | 4278.33 | 82.39 | 77.81 | 397.34 | 275.99 | Active side | 4882.07 | 46.91 | 359.78 | 587.90 | 923.19 |
| 3 | Fixed end | 4960.34 | 20.75 | 412.73 | 761.11 | 301.82 | 1/4L | 4356.17 | 25.55 | 120.27 | 467.74 | 81.28 | 1/2L | 4070.56 | 7.60 | 210.64 | 399.45 | 30.90 | 3/4L | 4393.67 | 25.28 | 76.97 | 416.18 | 84.45 | Active side | 4951.64 | 20.59 | 385.77 | 628.42 | 301.00 |
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