Record selection for aftershock incremental dynamic analysis

Katsu Goda

Research output: Contribution to journalArticle (Academic Journal)peer-review

58 Citations (Scopus)


The back-to-back application of mainshock records as aftershock is often considered in conducting aftershock incremental dynamic analysis. In such an approach, the characteristics of mainshock records are considered to be similar to those of major aftershock records within the same mainshock-aftershock sequences. The underlying assumption is that the characteristics of selected mainshocks, other than those used for record selection, are not significant in the assessment of structural responses. A case study is set up to investigate the effects of aftershock record selection on the collapse vulnerability assessment. The numerical results for a specific wood-frame structure indicate that the aftershock fragility can be affected by the aftershock record characteristics, particularly response spectral shape.
Original languageEnglish
Pages (from-to)1157-1162
Number of pages6
JournalEarthquake Engineering and Structural Dynamics
Issue number7
Publication statusPublished - 15 Apr 2015


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