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。
Based on the catenary theory of cables, an iteration method was presented for the shape-finding analysis of spatial-cable suspension Bridges.
本文用悬链线单元模拟主缆，通过选代计算了主缆的线形及下料长度。
In this paper, the curve and fabrication length of the main cable which is modelled through catenary elements are calculated with the iterative method.
通过对反悬链方程的求解推求有效缆长，继而得出了实际状态下的轨迹表达式。
The effective length of the drag line will be obtained by solving the reverse catenary equation and then the expression of trajectory in actual state will be derived.
实际状态下，考虑嵌入点的变化和嵌入缆的反悬链特性，提出了拖曳缆有效缆长的概念。
In actual state, the change of the embedded point and the characteristic of the reverse catenary are taken into account. This paper will propose the concept of effective length of the drag line.
实际状态下，考虑嵌入点的变化和嵌入缆的反悬链特性，提出了拖曳缆有效缆长的概念。
In actual state, the change of the embedded point and the characteristic of the reverse catenary are taken into account. This paper will propose the concept of effective length of the drag line.
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