随机减量法在桥梁阻尼比中的应用研究

Research the Application of Random Decrement Technique to Analyze the Damping Ratio

CCCC Highway Bridges National Engineering Research Centre Co., Ltd., Beijing 100088

摘要: 研究应用随机减量法对桥梁振动信号的分析处理，计算桥梁主振型频率对应的阻尼比。通过研究随机减量法主要影响因素，分析对比桥梁阻尼比的变化趋势，为后续应用桥梁振动数据分析桥梁运行状态的评估提供辅助方法。
- 随机减量法 /
- 阻尼比 /
- 数据分析
Abstract: Research the application of random decrement technique to analyze and process the bridge vibration signal,and calculate the damping ratio corresponding to the frequency of the main mode of the bridge.By studying the main influencing factors of random decrement method, the change trend of bridge damping ratio is analyzed and compared,which provides an auxiliary method for the subsequent application of bridge vibration data to analyze the evaluation of bridge operation state
- random decrement technique /
- damping ratio /
- data analysis

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