| 大跨径悬索桥几何非线性分析综述 |
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| 引用本文： | 孙艺利,蒋欣.大跨径悬索桥几何非线性分析综述[J].城市道桥与防洪,2011(9):63-65,321. |
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| 作者姓名： | 孙艺利 蒋欣 |
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| 作者单位： | 长安大学,陕西西安,710064 |
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| 摘 要： | 随着桥梁跨度的不断增大,结构的柔性越来越显著,大跨度悬索桥的几何非线性问题越来越突出。该文针对悬索桥的非线性特点,论述非线性的影响因素,以及分析计算方法,着重介绍运用无约束非线性规划法求解非线性问题。
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| 关 键 词： | 悬索桥 几何非线性 非线性规划法 |
Summarization on Geometry Nonlinear Analysis of Long-span Suspension Bridge |
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| Sun Yili,Jiang Xin.Summarization on Geometry Nonlinear Analysis of Long-span Suspension Bridge[J].Urban Roads Bridges & Flood Control,2011(9):63-65,321. |
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| Authors: | Sun Yili Jiang Xin |
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| Institution: | Sun Yili,Jiang Xin |
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| Abstract: | With the continuous lengthening of bridge span,the flexibility of structure is getting more and more remarkable.The geometry nonlinearity of long-span suspension bridge is becoming gradually prominent.Considering the nonlinear characteristics of suspension bridges,the article elaborates the influence factors of nonlinearity and the analysis calculation method,and emphatically introduces the application of unconstrained nonlinear programming method to solve the nonlinear problems. |
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| Keywords: | suspension bridges geometry non-linearity nonlinear programming method |
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