000018824 001__ 18824
000018824 005__ 20170118182243.0
000018824 04107 $$aeng
000018824 046__ $$k2017-01-09
000018824 100__ $$aPlexidas, Alexandros
000018824 24500 $$aA Study on the Interrelation of Seismic Intensity Parameters and Damage Indices of Structures Under Mainshock-Aftershock Seismic Sequences

000018824 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000018824 260__ $$b
000018824 506__ $$arestricted
000018824 520__ $$2eng$$aThe interrelation between seismic intensity parameters and the postseismic damage state of structures is investigated, with respect to mainshock-aftershock sequence-type ground motions. Several peak, energy, and spectral intensity parameters are implemented to describe the seismic damage potential. Overall structural damage indices (OSDIs) are used to designate the postseismic damage status of buildings. The interrelation between the seismic intensity parameters and the OSDIs is quantified by the Pearson correlation coefficient and by the Spearman rank correlation coefficient. The proposed procedure has been applied to a reinforced concrete structure. Following the design procedure, nonlinear dynamic analyzes are conducted to deliver the seismic structural response. The present investigation utilizes 75 natural accelerograms, recorded worldwide in regions with strong seismic activity. All the records are mainshock-aftershock seismic sequences. The numerical results show that the examined damage indices exhibit strong interrelation and the same degree of correlation to the examined seismic parameters. Analytical examination shows that both, the energy and the spectral seismic intensity parameters have the strongest correlation with the OSDIs while the peak seismic intensity parameters and the strong motion duration defined by Trifunac and Brady exhibit poor correlation with the OSDIs.

000018824 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000018824 653__ $$aSeismic Parameters, Damage Indices, Seismic Aftershocks, Reinforced Concrete, Correlation Study

000018824 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000018824 720__ $$aPlexidas, Alexandros$$iSiouris, Ioannis M.$$iElenas, Anaxagoras
000018824 8560_ $$ffischerc@itam.cas.cz
000018824 8564_ $$s271195$$uhttps://invenio.itam.cas.cz/record/18824/files/2303.pdf$$yOriginal version of the author's contribution as presented on USB, paper 2303.
000018824 962__ $$r16048
000018824 980__ $$aPAPER