| 基于环境振动测试的桥梁柔性桥塔动力特性识别 |
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| 引用本文： | 孙安卿,邓苗毅,孙丽霞.基于环境振动测试的桥梁柔性桥塔动力特性识别[J].河南科学,2011,29(10):1198-1202. |
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| 作者姓名： | 孙安卿 邓苗毅 孙丽霞 |
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| 作者单位： | 1. 洛阳市公路管理局,河南洛阳,471000
2. 郑州航空工业管理学院,郑州,450015 |
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| 基金项目： | 河南省交通运输厅科研项目(2009Z029) |
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| 摘 要： | 针对桥梁柔性桥塔动力特性的识别问题,阐述了基于环境振动测试的结构动力特性识别技术与原理.结合某桥梁柔性桥塔工程实例,分析了该方法的一般步骤、技术细节和实现过程.测试、识别得到了实例桥塔的动力特性数据,该数据与桥塔结构有限元理论计算的结果基本一致.可为同类桥梁桥塔的动力特性测试提供技术借鉴和参考.
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| 关 键 词： | 桥梁 桥塔 环境振动 动力特性 识别 |
Dynamic Properties Identification for Bridge Flexible Tower Based on Ambient Vibration Testing |
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| Sun Anqing,Deng Miaoyi,Sun Lixia.Dynamic Properties Identification for Bridge Flexible Tower Based on Ambient Vibration Testing[J].Henan Science,2011,29(10):1198-1202. |
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| Authors: | Sun Anqing Deng Miaoyi Sun Lixia |
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| Institution: | Sun Anqing 1,Deng Miaoyi 2,Sun Lixia 1 (1.Luoyang Highway Administration Bureau,Luoyang 471000,Henan China,2.Zhengzhou Institute of Aeronautical Industry Management,Zhengzhou 450015,China) |
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| Abstract: | The goal of this paper is to identify the bridge flexible tower dynamic properties.Technique & principle of dynamic properties identification for civil structure based on ambient vibration testing is expatiated.By a bridge flexible tower application example,the commonly approach,technique detail & realization process is analyzed.The dynamic properties for the example tower,is test & identified.The value of identification is nearly consistent with the value of bridge tower structure finite element(FE)theory ... |
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| Keywords: | bridge tower ambient vibration dynamic properties identification |
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