Computational seismic evaluation of a curved prestressed concrete I-girder bridge equipped with shape memory alloy

Junwon Seo, Luke P. Rogers, Jong Wan Hu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


This article proposes an analytical modeling approach for seismic evaluation of curved prestressed concrete (PSC) bridges using alternative restraint materials. The approach was applied to a simply supported, curved PSC I-girder bridge subjected to a suite of ground motions. Along with analyzing the response of the bridge without Shape Memory Alloy (SMA), the bridge was retrofitted with SMA components and restraints to reduce its response and both results were compared. SMA components used included dowels in the bearing pad, restraints connecting the girders to the abutments, and piles with SMA characteristics. Results indicated that the SMA components reduced seismic response, and specifically the deformations of the SMA bridge were up to 80% lower than the non-SMA bridge.

Original languageEnglish
Pages (from-to)1881-1900
Number of pages20
JournalEuropean Journal of Environmental and Civil Engineering
Issue number11
StatePublished - Sep 18 2020

Bibliographical note

Funding Information:
The support for portions of this work from the Department of Civil and Environmental Engineering at South Dakota State University is acknowledged. This research was also supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (2017R1A2B2010120).

Publisher Copyright:
© 2018 Informa UK Limited, trading as Taylor & Francis Group.


  • bridge
  • Curved bridge
  • ground motions
  • precast-prestressed I-girder
  • seismic analysis
  • shape memory alloy

ASJC Scopus subject areas

  • Environmental Engineering
  • Civil and Structural Engineering


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