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。
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。
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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