Advances in Civil Engineering / 2019 / Article / Tab 3

Research Article

Optimization Method for Solving the Reasonable Arch Axis of Long-Span CFST Arch Bridges

Table 3

Stability coefficient of the first four instability modes.

Modal orderInstability modeParabolaCatenarySpline curve

First modeSymmetrical transverse18.7819.0119.25
Second modeAntisymmetrical transverse22.1522.7322.84
Third modeSymmetrical transverse30.1731.2831.28
Fourth modeAntisymmetrical transverse35.5535.7435.92

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