Effect of Tower Stiffness on Four-span Suspension Bridges

机译：塔刚度对四跨悬索桥的影响

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In this paper, an analytic method for a four-span suspension bridge is presented using the deflectionrntheory. The girders of each span are considered as simply-supported equivalent beams with axialrntensions, and an iterative method such as the Newton-Raphson method is performed due tornnonlinearity of the differential equations for each girder. And then, the results such as therndeflections and bending moments of the girder under various load cases are compared with thernfinite element analysis for verification. Finally, parametric analysis for the stiffness variation of therncenter tower is performed.

机译：本文利用挠度理论提出了一种四跨悬索桥的解析方法。每个跨度的大梁被认为是具有轴向张力的简支等效梁，并且由于每个大梁的微分方程的非线性，执行了诸如牛顿-拉夫森法的迭代方法。然后，将梁在各种载荷情况下的挠度和弯矩等结果与有限元分析进行比较，以进行验证。最后，对中心塔刚度变化进行参数分析。

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来源
《Innovative infrastructures - toward human urbanism : Report》|2012年|1-4|共4页
会议地点 Seoul(KR)
作者
Dong-Ho CHOI; Sun Gil GWON; Ho-Sung NA;
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作者单位

Dept. of Civil and Environmental Engineering, Hanyang University, Seoul, Korea samga@hanyang.ac.kr;

Dept. of Civil and Environmental Engineering, Hanyang University, Seoul, Korea verysoon@hanyang.ac.kr;

Dept. of Civil and Environmental Engineering, Hanyang University, Seoul, Korea saintna@hanyang.ac.kr;

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正文语种 eng
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Four-span suspension bridge; deflection theory; tower stiffness;

机译：四跨悬索桥挠度理论塔刚度;

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Effect of Tower Stiffness on Four-span Suspension Bridges

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