• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Engineering Mechanics >Analytical and numerical study of deck-stay interaction in a cable-stayed bridge in the context of field observations
【24h】

Analytical and numerical study of deck-stay interaction in a cable-stayed bridge in the context of field observations

机译：实地观测背景下斜拉桥桥壳相互作用的分析与数值研究

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This paper addresses the mechanism of coupled deck-stay motions in cable-stayed bridges. Field observations of deck-stay interactions are summarized and an analytical model is developed to simulate such interactions. Using this model, a dynamic analysis of an example stay is conducted to illustrate the mechanism underlying the coupled motions. Three-dimensional finite-element models of a cable-stayed bridge are presented to confirm that coupling of deck-stay motions can occur in actual structures. A comparison between the results from the analytical and numerical models indicates that the proposed analytical model can reasonably explain the observed deck-stay interactions. In particular, it is shown that coupled motions are associated with the veering of natural frequency loci and mode localization and that the distributions of generalized masses between decks and cables are useful indexes for assessing the degree of coupling.
机译：本文探讨了斜拉桥中桥面拉力耦合的机制。总结了甲板-拉杆相互作用的现场观测结果，并建立了一个分析模型来模拟这种相互作用。使用该模型，对一个示例性的支柱进行了动态分析，以说明耦合运动的机理。提出了斜拉桥的三维有限元模型，以确认桥拉运动的耦合可能在实际结构中发生。分析模型和数值模型的结果之间的比较表明，所提出的分析模型可以合理地解释所观察到的甲板-支柱相互作用。特别地，示出了耦合运动与固有频率轨迹的变化和模式定位相关，并且甲板和电缆之间的广义质量的分布是用于评估耦合程度的有用指标。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号