Response Spectrum Matching Method Based on HVSR
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摘要: 根据不同需求输入不同的强地震动进行时程反应分析是工程地震研究领域的基础，如何筛选出合适的地震动是其中一个重要的研究方向。目前越来越多的研究人员使用HVSR（Horizontal to Vertical Spectral Ratio）参数进行场地特性表征分析，因此本文基于HVSR进行反应谱匹配研究，并在已搭建的强震动数据库平台上实现基于HVSR的反应谱匹配，为工程抗震研究及工程设计挑选符合预设特征的地震动提供参考方法。Abstract: The selection of appropriate strong ground motion data tailored to specific engineering requirements forms the foundation of seismic engineering research. As a result, identifying suitable ground motion records has become a critical area of investigation. This study aims to develop a novel ground motion selection approach for site response analysis, focusing on response spectrum matching and incorporating the Horizontal-to-Vertical Spectral Ratio (HVSR) as a key indicator of site effects. Accordingly, a new filtering method is proposed, which processes acceleration time histories by separating horizontal and vertical components. This method enables HVSR-based response spectrum matching on a pre-established strong motion database platform. The approach provides a technical framework for selecting ground motions that conform to predefined site-specific characteristics, thereby enhancing the reliability of seismic analysis and engineering design.
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Key words:
- Ground motion /
- Spectral matching /
- HVSR
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图 3 地震动反应谱关键点匹配结果
Figure 3. Ground motoin response spectrum matching based on key points
图 4 标准反应谱等权匹配结果及其均值与目标反应谱相对误差
Figure 4. Result of standard response spectrum equal weight matching and matching mean and target response spectrum relative error
图 5 标准反应谱加权匹配结果及其均值与目标反应谱相对误差
Figure 5. Result of weighted standard response spectrum matching and matching mean and target response spectrum relative error
图 6 基于 HVSR 的三分量反应谱匹配结果
Figure 6. Matching results of three-component response spectrum based on HVSR
图 7 自定义 HVSR 匹配结果及其均值与目标 HVSR 相对误差
Figure 7. The custom HVSR matching result and its relative error between the mean and the target HVSR
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