分析了索长变化、跨度变化及主缆变形引起的恒载重分布对主缆线形的影响。
And then the effect of the change of cable length and span and the redistribution of dead load due to deformation on cable curve are analyzed.
全文主要包括两大部分：悬索桥主缆线形计算部分和桥梁结构几何非线性分析部分。
It consists of two parts, calculation of cable curve for suspension bridge and geometric nonlinear analysis of bridge structure.
介绍了按照零位移原则确定重力作用下主缆的初始应力状态的方法及确定主缆线形的迭代算法。
We introduce the zero method principle which can calculate initial stress while gravity act and the iterative method which can determine the cable shape.
针对已有计算方法的不足之处，提出了一种各种状态下悬索桥主缆线形的精确数值算法和索股、吊索长度的计算方法。
In view of the drawbacks of the existed methods, an accurate numerical analysis method to calculate the cable shape in various cases and the length of cable strand of suspension Bridges is presented.
因边跨散索套重量及锚固区设置影响，主缆空缆线形即为有散索套重量下的空缆线形。
Due to the influence of the weight and anchorage zone of the side span splay casting, unloaded cable shape is the shape with splay casting weight.
主缆是悬索桥的重要受力构件，精确计算其空缆线形是悬索桥上部结构施工成败的关键。
The cable is the important component of suspension bridge. Determination of initial states of cable of large span suspension bridge is the key part of the upper structure construction.
主缆是悬索桥的重要受力构件，精确计算其空缆线形是悬索桥上部结构施工成败的关键。
The cable is the important component of suspension bridge. Determination of initial states of cable of large span suspension bridge is the key part of the upper structure construction.
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