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Dynamic responses under the excitation of pulse sequences

Earthquake Engineering and Engineering Vibration 2004年第2期3卷 157-169页

作者：戴君武 Mai Tong George C.Lee 齐霄斋白文婷 Institute of Engineering Mechanics China Earthquake Administration.Harbin 150080China Professor Multidisciplinary Center for Earthquake Engineering Research University at BuffaloBuffaloNY14261USA Senior Research Scientist Multidisciplinary Center for Earthquake Engineering Research University at BuffaloBuffaloNY14261USA Professor Institute of Engineering Mechanics China Earthquake Administration.Harbin 150080China Master student

This paper studies the dynamic responses of SDOF system under pulse-dominant *** purpose of the study is to prepare for scrutiny of some near-field pulse-dominantground motions and their potential to cause structural *** the single pulse dynamics,we consider the effect of pulse *** kind of excitation was particularly obvious in some of previous earthquakes such as Northridge (1994) and Chi-Chi (1995).Based on the duration, peak and rise and decay era of the main pulse as well as its relationship with the predecessor and successor pulses,we propose a classification for the pulse *** studies have been canied out for acceleration,velocity and displacement response spectra of the main pulse with either a predecessor or a successor *** analysis also includes general response behaviors in different fundamental period segments and special aspects of response at certain points (e.g.,the corresponding peak points).

关键词： pulse sequences near-field ground motions triangle pulse representation Chi-Chi earthquake response spectra

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