Skip to Main Content
Skip Nav Destination
GEOREF RECORD

Methodology for validation of simulated ground motions for seismic response assessment; application to CyberShake source-based ground motions

Jawad Fayaz, Sarah Azar, Mayssa Dabaghi and Farzin Zareian
Methodology for validation of simulated ground motions for seismic response assessment; application to CyberShake source-based ground motions
Bulletin of the Seismological Society of America (December 2020) 111 (1): 226-241

Abstract

A comprehensive methodology for the validation of simulated ground motions is presented. The suggested methodology can be geared toward any ground-motion simulation method and seismic response assessment, in a target engineering application. The methodology is founded on the comparison between conforming groups of ground-motion waveforms from recordings and simulations and their effect on a representative collection of structures that represent the engineering application. The comparison considers the statistics of earthquake scenarios at the level of the event and site parameters, the resulting waveform characteristics, and the subsequent structural responses. Regression models are developed at three levels (between structural responses and waveform characteristics, structural responses and event and site parameters, and waveform characteristics and event and site parameters). Similarities between the models from groups of recorded and simulated ground motions guide the validation process. The validation methodology is applied to CyberShake (v.15.12) simulations and for the estimation of the column drift ratio of a bridge structure. It is shown that CyberShake (v.15.12) can be used to assess the median seismic response of the used bridge. Some discrepancies between simulations and recordings are observed, which could be attributed to the basin and site-response models used for simulations. Further implementation and refinement of the suggested methodology are recommended to make broader conclusions.


ISSN: 0037-1106
EISSN: 1943-3573
Coden: BSSAAP
Serial Title: Bulletin of the Seismological Society of America
Serial Volume: 111
Serial Issue: 1
Title: Methodology for validation of simulated ground motions for seismic response assessment; application to CyberShake source-based ground motions
Affiliation: University of California Irvine, Department of Civil & Environmental Engineering, Irvine, CA, United States
Pages: 226-241
Published: 20201208
Text Language: English
Publisher: Seismological Society of America, Berkeley, CA, United States
References: 30
Accession Number: 2021-006891
Categories: Seismology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table, sketch map
N33°00'00" - N35°00'00", W120°00'00" - W116°00'00"
Secondary Affiliation: American University of Beirut, LBN, Lebanon
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2022, American Geosciences Institute. Abstract, Copyright, Seismological Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 202105
Close Modal

or Create an Account

Close Modal
Close Modal