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Steel and Composite Structures
  Volume 6, Number 6, December 2006, pages 493-512

Seismic behaviour of steel beam-to-column joints with column web stiffening
A. L. Ciutina and D. Dubina

    The present paper summarizes the experimental research carried out at the \"Politehnica\" University of Timisoara, Romania, with the scope of investigating the influence of different column webstiffening solutions on the performance of beam-to-column joints of Moment Resisting Steel Frames. Theresponse parameters, such as resistance, rigidity and ductility were examined. Five different types of panel web stiffening were compared with regard to a reference test. A quasi-linear relationship between the moment capacity and the total shear area of the web panel was observed from the experimental tests while the initial rigidity increased non-proportionally with the same area. Comparisons are presented of the experimental tests with the mathematical model developed by Krawinkler and with the model stipulated in Eurocode 3 Part 1.8. These comparisons showed a generally good agreement in the case of moment capacity, while the computed rigidities were always greater than the experimental rigidities.
Key Words
    column web panel; supplementary plate; rigidity; shear resistance; moment capacity; seismic codes.
The \"Politehnica\" University of Timisoara, Romania

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