Facts indicated that under external loads suspension structure might float, so that parts of the slings which connected the main cable with the below suspension structure might be relaxed.

事实表明悬索结构在外激作用下，下部结构可能会发生飘浮，致使连接下部结构和主索的吊索部分产生松弛。

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Suspension bridge is a type of flexible structure with high degree of statical indeterminacy and composite by different components (main cable, suspender cable and pylon) with different stiffness.

悬索桥是一种高次超静定柔性结构，由刚度相差较大的构件(主缆、吊索、加劲梁)组成。

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It consists of two parts, calculation of cable curve for suspension bridge and geometric nonlinear analysis of bridge structure.

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。

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