"Displacement-Based Strategies for the Performance-Based Seismic Design of ""Short"" Bridges Considering Embankment Flexibility"
Inel, Mehmet
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https://hdl.handle.net/2142/83183
Description
Title
"Displacement-Based Strategies for the Performance-Based Seismic Design of ""Short"" Bridges Considering Embankment Flexibility"
Author(s)
Inel, Mehmet
Issue Date
2002
Doctoral Committee Chair(s)
Aschheim, Mark A.
Department of Study
Civil Engineering
Discipline
Civil Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
The significant role of embankment flexibility has implications for the seismic design of the substructure columns. Existing procedures, based on force reduction factors, do not account for the significant role played by the embankments. A displacement-based approach for the design of the columns is proposed, in which smaller diameter columns, possibly with higher axial load ratios, are shown to result in improved performance relative to that computed for conventional designs. Guidelines are presented for proportioning the substructure columns to improve their seismic performance.
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