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Earthquakes and Structures
  Volume 12, Number 4, April 2017, pages 449-455

Study on the effects of various mid-connections of x-brace on frame behavior
Mohammad Ali Hadianfard, Ali Hashemi and Mohammad Gholami

    Using X-braced frames in steel structures is a current procedure to achieve good strength against lateral loads. Study on mid-connections of X-braces and their effects on frame behavior is a subject whose importance has been more or less disregarded by researchers. Experimentally inspecting models involves considerable expense and time; however, computer models can be more suitable substitutes. In this research, a numerical model of X-braced frame has been analyzed using finite element software. The results of pushover analysis of this frame are compared with those of the experimental test. With the help of computer model, the effects of different mid-connection details on ductility and lateral strength of the frame are inspected. Also performances of bolted and welded connections are compared. Taking into account ductility and strength, this study suggests details of a decent pattern for the mid-connection.
Key Words
    steel structures; X-brace; mid-connection; ductility; lateral strength
Department of Civil and Environmental Engineering, Shiraz University of Technology, Shiraz, Iran

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