Influence of Vertical Ground Motions on the Seismic Fragility Modeling of a Bridge-Soil-Foundation System
| dc.citation.issueNumber | 3 | |
| dc.citation.journalTitle | Earthquake Spectra | |
| dc.citation.volumeNumber | 29 | |
| dc.contributor.author | Wang, Zhenghua | |
| dc.contributor.author | Padgett, Jamie E. | |
| dc.contributor.author | DueƱas-Osorio, Leonardo | |
| dc.date.accessioned | 2013-09-25T16:57:20Z | |
| dc.date.available | 2014-09-26T05:10:04Z | |
| dc.date.issued | 2013-08 | |
| dc.description.abstract | This paper explores the effects of vertical ground motions (VGMs) on the component fragility of a coupled bridged-soil-foundation (CBSF) system with liquefaction potential, and highlights the unique considerations on the demand and capacity model required for fragility analysis under VGMs. Optimal intensity measures (IMs) that account for VGMs are identified. Moreover, fragility curves that consider capacity change with fluctuating axial force are derived. Results show that the presence of VGMs has a minor effect on the failure probabilities of piles and expansion bearings, while it has a great influence on fixed bearings. Whether VGMs have an impact on column fragilities depends on the design axial load ratio. Finally, more accurate fragility surfaces are derived, which are compared with results of conventional fragility curves. This study highlights the important role that VGMs play in the selection of optimal IMs, and the capacity and fragility representation of certain components of CBSF systems. | |
| dc.embargo.terms | 1 year | |
| dc.identifier.citation | Wang, Zhenghua, Padgett, Jamie E. and DueƱas-Osorio, Leonardo. "Influence of Vertical Ground Motions on the Seismic Fragility Modeling of a Bridge-Soil-Foundation System." <i>Earthquake Spectra,</i> 29, no. 3 (2013) Earthquake Engineering Research Institute: http://dx.doi.org/10.1193/1.4000170. | |
| dc.identifier.doi | http://dx.doi.org/10.1193/1.4000170 | |
| dc.identifier.uri | https://hdl.handle.net/1911/72108 | |
| dc.language.iso | eng | |
| dc.publisher | Earthquake Engineering Research Institute | |
| dc.rights | Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. | |
| dc.title | Influence of Vertical Ground Motions on the Seismic Fragility Modeling of a Bridge-Soil-Foundation System | |
| dc.type | Journal article | |
| dc.type.dcmi | Text | |
| dc.type.publication | publisher version |