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Structural Engineering and Mechanics
  Volume 65, Number 3, February10 2018 , pages 327-334

Dynamic analysis of steel frames with semi-rigid connections
Fatma-Zohra Djouaher and Touati Abd Nacer Ihaddoudene

    In the steel structures design, beam-to-column connections are usually considered either rigid or pinned, while their actual behavior lies between these two ideal cases. This consideration has a major influence on the results of the local and the global behavior of steel structures. This influence is noticed in the case of a static analysis, and has an important effect in the case of a dynamic analysis. In fact, pinned and rigid nodes can be considered as two specific cases of a semi-rigid behavior. To study the efficiency of the classification adopted in Eurocode 3, a numerical simulation of semi-rigid nodes has been carried out using the software ANSYS. In the aim to validate this simulation, the numerical results are compared to those of an analytical approach. After that, the validated numerical simulation has been used, to evaluate the efficiency of the classification adopted by the Eurocode 3, regarding semi-rigid connections. Finally, a new method is proposed to define a more accurate evaluation about semi-rigid connections.
Key Words
    steel frames; semi rigid connection; fixity factor; dynamic analysis
Djouaher Fatma Zohra and Ihaddoudene Touati Abd Nacer: Faculty of Civil Engineering, University of Sciences and Technology HOUARI BOUMEDIENE, BP 32 EL ALIA 16111
BAB EZZOUAR Algiers Algeria

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