Advances in Civil Engineering / 2019 / Article / Fig 13

Research Article

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

Figure 13

First four instability modes. (a) First-order instability mode. (b) Second-order instability mode. (c) Third-order instability mode. (d) Fourth-order instability mode.
(a)
(b)
(c)
(d)

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