Please use this identifier to cite or link to this item: http://dspace.iitrpr.ac.in:8080/xmlui/handle/123456789/2533
Title: Damping modification factors observed from the indian Strong-motion database
Authors: Surana, M.
Singh, Y.
Lang, D. H.
Keywords: Damping modification factors
earthquakes
response spectra
Issue Date: 28-Aug-2021
Abstract: A total of 203 horizontal acceleration time histories recorded between 1986 and 2001 are taken from the Indian strong-motion database and their response spectra for different damping ratios are analyzed, statistically. The observed damping modification factors are compared with those available in scientific literature and national seismic design codes. Contrary to the recommendations of various seismic design codes, as observed by some past researchers as well, the damping modification factors are found to be dependent on the spectral period. Simplified empirical expressions are provided to compute the damping modification factors while accounting for the effects of spectral period and damping ratio.
URI: http://localhost:8080/xmlui/handle/123456789/2533
Appears in Collections:Year-2019

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