...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Mechanical systems and signal processing >Damage detection in bridge structures under moving loads with phase trajectory change of multi-type vibration measurements
【24h】

Damage detection in bridge structures under moving loads with phase trajectory change of multi-type vibration measurements

机译：移动载荷下桥梁结构的损伤检测及其相轨迹变化的多种振动测量

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 presents a non-model based damage detection approach for bridge structures under moving loads based on the phase trajectory change of multi-type vibration measurements. A brief theoretical background on the vibration of a simply-supported bridge with a crack under moving load is described. The phase trajectories of multi-type dynamic responses are obtained and a damage index is defined as the separated distance between the trajectories of undamaged and damaged structures to indicate the damage location. Numerical studies on a simply-supported beam structure are conducted to investigate the sensitivity and robustness of the proposed approach to accurately identify the damage location. Experimental studies demonstrate that the proposed approach can be used to successfully identify the shear connection failure in a composite bridge model subjected to moving loads.
机译：本文基于多种类型振动测量的相位轨迹变化，提出了一种基于非模型的桥梁结构在移动荷载作用下的损伤检测方法。描述了有关在荷载作用下带裂纹的简支桥梁振动的简要理论背景。获得了多种类型动力响应的相位轨迹，并将损伤指标定义为未损伤和受损结构的轨迹之间的分隔距离，以指示损伤位置。进行了对简支梁结构的数值研究，以研究所提出方法精确识别损伤位置的敏感性和鲁棒性。实验研究表明，所提出的方法可用于成功识别承受移动载荷的复合桥模型中的剪切连接破坏。

著录项

  • 来源
    《Mechanical systems and signal processing》 |2017年第ptaa期|410-425|共16页
  • 作者

    Weiwei Zhang; Jun Li; Hong Hao; Hongwei Ma;

  • 作者单位

    Department of Mechanics, Taiyuan University of Science and Technology, Taiyuan, Shanxi 030024, China;

    Centre for Infrastructural Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin University, Kent Street,Bentley, WA 6102, Australia;

    Centre for Infrastructural Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin University, Kent Street,Bentley, WA 6102, Australia;

    College of Science and Engineering, Jinan University, Guangzhou, Guangdong 510632, China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Damage identification; Vibration measurement; Bridge; Moving load; Phase trajectory; Multi-type sensor;

    机译：损坏识别;振动测量;桥;移动负载;相轨迹;多种类型的传感器;

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