Evolution of Performance-Based Design in the Canadian Highway Bridge Design Code, CSA S6:25

Performance-Based Design (PBD) was introduced in the 2014 edition of the CSA S6 Canadian Highway Bridge Design Code (CHBDC) as the design philosophy to be used for the majority of new bridges and retrofit of existing bridges. Force-Based Design (FBD), using ductility-based R-factors, was retained from previous versions of the Code for use with certain bridges.

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