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Validation of Ground Motion Simulations for Historical Events using Skewed Bridges

Galasso, C; Kaviani, P; Tsioulou, A; Zareian, F; (2018) Validation of Ground Motion Simulations for Historical Events using Skewed Bridges. Journal of Earthquake Engineering 10.1080/13632469.2018.1483277. (In press). Green open access

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Abstract

This paper provides a statistical comparison between seismic demands of reinforced concrete bridges with skew-angled seat-type abutments subjected to past events using simulations and actual recordings. Through nonlinear dynamic analysis conducted using hybrid broadband simulated ground motions and real records for two historical earthquakes; i.e., the 1989 M 6.8 Loma Prieta earthquake and the 1994 M 6.7 Northridge earthquake, it is demonstrated that the distributions of column drift ratios, deck rotations and displacements produced by simulations agree reasonably well with those produced by recorded ground motions. Ground motion intensity measures related to ground motion directionality and directivity are finally compared for both simulations and recorded waveforms.

Type: Article
Title: Validation of Ground Motion Simulations for Historical Events using Skewed Bridges
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/13632469.2018.1483277
Publisher version: http://doi.org/10.1080/13632469.2018.1483277
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: hybrid broadband simulation; time-history analysis; skewed bridges; ground motion directionality; statistical hypothesis testing
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10053913
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