摘要
本文针对现行的抗震规范中设计反应谱应用范围只能到结构自振周期T≤3秒这一现实问题,提出应用长周期地脉动的傅立叶振幅谱比值直接推算概率一致的地表长周期反应谱的方法。
In this thesis,in view of the problem that current seismic design response spectra are only applicable to a range of natural period of structures less than 3s,a methodology is developed to calculate the probability-consistent long-period response spectra on the basis of Fourier spectral ratio of long period microtremor directly. Expressions for the direct calculation of probability-consistent long period response spectra by means of the measurement results of long-period mi-crotremor-Fourier spectral ratio are established.
出处
《地震工程与工程振动》
CSCD
北大核心
1995年第2期19-28,共10页
Earthquake Engineering and Engineering Dynamics
基金
博士点基金资助课题
上海市建委基金资助课题
关键词
反应谱
长周期
地脉动
抗震设计
建筑
Response spectrum,Long-period microseism,Probability-consistent
