【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。更多还原

【Abstract】 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.更多还原