Seismic Design of Bridges
Arda Erdem
Broschiertes Buch

Seismic Design of Bridges

Analytical Investigation of AASHTO LRFD Response Modification Factors and Seismic Performance Levels of Circular Bridge Columns

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In AASHTO LRFD, three different importance categories are presented as Critical , Essential and Other bridges to be considered in seismic design. These classifications are mainly based on the serviceability requirement of bridges after a design earthquake. The bridge''s overall performance during a given seismic event cannot be clearly described. Serviceability requirements specified for a given importance category are assumed to be assured by using different response modification factors (R-factors). Although R-factor is directly related with strength provided to resisting column, it might be...