zero-stress length of main cable 主缆无应力长度
For the two methods above, the error of vertical coordinate of cable is 0.739%, and the error of zero-stress length for cable is 0.31%.
对于空缆线形竖向坐标值两种方法的误差为0 739%，无应力索长计算两种方法的误差仅为0 31%。
According to the initial state stress and the finite element model, the fabrication length of the cables, bars and beams at zero state can be determined.
根据结构的初始状态及其计算模型，即可确定零状态梁的加工位形以及索和杆的下料长度。
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