以抛物线和悬链线理论为基础，总结推导了悬索索长的实用计算公式，对各公式的计算精度进行了分析。
Based on the parabola and catenary theories, calculation formulas on the cable length are summarized, and the precision is discussed.
介绍了ADSS光缆的力学计算，给出了光缆弧垂、张力、应变和悬长等计算公式，并对普遍采用的“悬链线”和“抛物线”两种计算方法加以比较。
The mechanical calculation of ADSS fiber optic cable is introduced and the calculation formulae for sag, tension, strain and slack length etc are given.
编制了基于弹性悬链线单元的斜拉索的非线性有限元分析程序，比较了斜拉索的悬链线解析解、抛物线解析解和基于弹性悬链线单元的有限元解的计算结果。
Nonlinear finite element program of stayed cable based on the elastic catenary element is programmed. The analytic analysis and finite element analysis of different stayed cables are compared.
两个对齐的石板平衡了屋顶，这也是复制相应悬链线抛物线的结果。
Two aligned end blocks counterbalance the roof, the formal result of copying the parabola of the corresponding catenary.
两个对齐的石板平衡了屋顶，这也是复制相应悬链线抛物线的结果。
Two aligned end blocks counterbalance the roof, the formal result of copying the parabola of the corresponding catenary.
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