Dynamic amplification factor of road bridges – analytical and experimental findings

Abstract

This paper discusses the problem of theoretical and experimental determination of dynamic factors of road bridges. Various parameters influencing the dynamic behavior of bridges are briefly described and a review of regulations in this field is given. Also, an example of the numerical determination of the dynamic amplification factor on a specific bridge structure using dynamic time history analysis in SAP2000 software is presented. Some established methods for the experimental control of the design dynamic amplification on real structures are given, as well as a data and analysis of experimentally obtained results on a series of concrete bridges on the Banja Luka-Doboj highway.