设计反应谱标定方法的研究现状与讨论

Research status and discussion on calibration methods of design response spectrum

设计反应谱及其标定方法的研究是工程抗震研究领域的基本问题之一。在现有研究成果的基础上,归纳和总结了设计反应谱及其标定方法的研究历史和现状;评述了研究进程中的若干节点问题;介绍了设计反应谱的标定原理和当前几种有代表性的设计反应谱的标定方法;分析了设计反应谱标定参数的影响因素。在此基础上,对设计反应谱及其标定方法研究中的强震资料积累问题、谱形状问题、标定参数的确定问题以及标定方法等问题进行了讨论并提出了改进和进一步研究的建议。

The design response spectrum and its calibration methods are one of the basic problems in the field of en- gineering earthquake.Based on the existing research results,the research history and current situation of the design response spectrum and its calibration methods were summarized,and some key problems in the research process were reviewed,and both the calibration principle and several representative calibration methods of design response spectrum were introduced,and the influencing factors of the calibration parameters of design response spectrum are analyzed.Based on this,selection of strong motion data,estimation of spectral shape and calibration parameters in the study of design response spectrum and its calibration methods were discussed,and some suggestions for improvement and further research were also proposed.