| 聂建国,陈必磊,肖建春.多跨连续长索在支座处存在滑移的非线性静力分析[J].计算力学学报,2003,20(3):320~324 |
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| 多跨连续长索在支座处存在滑移的非线性静力分析 |
| Nonlinear static analysis of continuous cables with sliding at the middle supportings |
| 修订日期：2001-12-27 |
| DOI：10.7511/jslx20033062 |
| 中文关键词: 多跨连续长索 支座 滑移 非线性静力分析 悬索结构 计算方法 |
| 英文关键词:continuous cables,sliding,nonlinear analysis |
| 基金项目:国家杰出青年科学基金(50025822)，北京市科委(H010610230112)资助项目. |
| 聂建国 陈必磊 肖建春 |
| [1]清华大学土木工程系，北京100084 [2]贵州工业大学，贵州贵阳550003 |
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| 中文摘要: |
| 提出了一种考虑悬索结构在中支座存在滑移时的非线性计算方法，推导出关于索元无应力长度发生变化时的滑移刚度公式，并进行了实例计算。计算结果表明，本文的方法正确，计算精度满足实际工程要求，并能使计算工作且大大减少，可供悬索结构设计、施工时参考。 |
| 英文摘要: |
| Based on the nonlinear elastic analysis, a nonlinear method was presented for calculating the continuous cables sliding at the middle supportings. Meantime, three examples were computed according to this method. The results show that the method presented in this paper has a good precision and can meet the needs of the practical engineering. |
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