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Performance-Based Seismic Design and Assessment of Bridges

Kappos, A. J. (2015). Performance-Based Seismic Design and Assessment of Bridges. Perspectives on European Earthquake Engineering and Seismology, 39, pp. 163-205. doi: 10.1007/978-3-319-16964-4_7


Current trends in the seismic design and assessment of bridges are discussed, with emphasis on two procedures that merit some particular attention, displacement-based procedures and deformation-based procedures. The available performance-based methods for bridges are critically reviewed and a number of critical issues are identified, which arise in all procedures. Then two recently proposed methods are presented in some detail, one based on the direct displacement-based design approach, using equivalent elastic analysis and properly reduced displacement spectra, and one based on the deformation-based approach, which involves a type of partially inelastic response-history analysis for a set of ground motions and wherein pier ductility is included as a design parameter, along with displacement criteria. The current trends in seismic assessment of bridges are then summarised and the more rigorous assessment procedure, i.e. nonlinear dynamic response-history analysis, is used to assess the performance of bridges designed to the previously described procedures. Finally some comments are offered on the feasibility of including such methods in the new generation of bridge codes.

Publication Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: School of Science & Technology > Engineering
SWORD Depositor:
[thumbnail of Chapter 7-PBD Bridges-Kappos2015.pdf]
Text - Published Version
Available under License Creative Commons Attribution Non-commercial.

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