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Seismic Assessment of existing bridges in Croatia

Research on development of seismic assessment procedure for existing bridges will be presented in this paper. Both the linear response spectrum analysis and the nonlinear static pushover method are used and results were evaluated following the demands defined by current European seismic design codes. At first, this procedure is validated by its application to major Adriatic arch bridges with spans ranging from 200 m to almost 400 m as a part of an extensive project to develop their appropriate maintenance strategy. Seismic assessment is further developed and their suitability is proved at different bridge types.

existing bridges; seismic assessment; linear response spectrum analysis; nonlinear static pushover method

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