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Bulletin of Earthquake Engineering

, Volume 10, Issue 4, pp 1237–1266 | Cite as

Problems associated with direct displacement-based design of concrete bridges with single-column piers, and some suggested improvements

  • A. J. Kappos
  • I. G. Gidaris
  • K. I. Gkatzogias
Original Research Paper

Abstract

Currently available displacement-based design (DBD) procedures for bridges are critically evaluated with a view to identifying extensions and/or modifications of the procedure, for it to be applicable to final design of a fairly broad class of bridges. An improved direct DBD procedure is presented, including a suite of comprehensive design criteria and proper consideration of the degree of fixity of the pier top. The design of an overpass bridge (originally designed to a current European Code), applying the improved ‘direct’ displacement-based design (DDBD) procedure is presented and both ‘conventional’ and displacement-based designs are assessed using non-linear response-history analysis (NLRHA); comparisons are made in terms of both economy and seismic performance of the different designs. It is seen that DDBD provided a more rational base shear distribution among piers and abutments when compared to the force-based design procedure and adequately captured the displacement pattern, closely matching the results of the more rigorous NLRHA.

Keywords

Displacement-based design Bridges Reinforced concrete Eurocode 8 

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • A. J. Kappos
    • 1
  • I. G. Gidaris
    • 1
  • K. I. Gkatzogias
    • 1
  1. 1.Laboratory of Reinforced Concrete and Masonry Structures, Civil Engineering DepartmentAristotle University of ThessalonikiThessalonikiGreece

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