...悬链线斜拉索 [gap=4204]irder； hybrid variation principle； equivalent load of cut-down plastic stress； catenary cable；...
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Otherwise, the unelongated length of prestressed calbe is solved for the first time in catenary cable description but not in bar's.
值得指出的是，在求解索原长这一施工成型的前提条件时，本文首次将其按索元来处理，而不是按直线杆元。
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。
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.
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。
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