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Structural Engineering and Mechanics Volume 10, Number 1, July 2000, pages 17-26 DOI: http://dx.doi.org/10.12989/sem.2000.10.1.017 |
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Application of frequency domain analysis for generation of seismic floor response spectra |
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Ghosh AK
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| Abstract | ||
| This paper presents a case study with a multi-degree-of-freedom (MDOF) system where the Floor Response Spectra (FRS) have been derived from a large ensemble of ground motion accelerograms. The FRS are evaluated by the frequency response function which is calculated numerically. The advantage of this scheme over a repetitive time-history analysis of the entire structure for each accelerogram of the set has been highlighted. The present procedure permits generation of FRS with a specified probability of exceedence. | ||
| Key Words | ||
| ground motion, frequency response function, floor response spectra, exceedence probability | ||
| Address | ||
| Ghosh AK, Bhabha Atom Res Ctr, Reactor Safety Div, Bombay 400085, Maharashtra, India | ||