Detection and maintenance after the operating are the key point to extend the useful life of cable suspension bridge.

延长悬索桥有效寿命的关键是对悬索桥运营后的检测及维修。

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Based on the catenary theory of cables, an iteration method was presented for the shape-finding analysis of spatial-cable suspension Bridges.

基于索的悬链线理论，提出了一种可用于悬索桥空间主缆体系线形分析的迭代计算方法。

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Conclusion of the research may offer good reference to future pedestrian cable suspension bridge design, also it may be used as the foundation for anti-wind design of this type of Bridges.

研究的结论可为今后人行悬索桥的设计提供有益的参考，也为该类型桥梁的抗风设计等奠定基础。

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The day ends with a two-hour evening session involving dumbbells, cable weights and TRX Suspension Training straps.

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