Stability of non-prismatic frames with flexible connections and elastic supports

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• 作者：M. Rezaiee-Pajand ; F. Shahabian ; M. Bambaeechee
• 关键词：non ; prismatic frames ; tapered columns ; taper ratio ; elastic supports ; flexible connections ; critical buckling load ; effective length factor
• 刊名：KSCE Journal of Civil Engineering
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：20
• 期：2
• 页码：832-846
• 全文大小：1,160 KB
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• 作者单位：M. Rezaiee-Pajand (1)
  F. Shahabian (1)
  M. Bambaeechee (1)
  
  1. Dept. of Civil Engineering, Ferdowsi University of Mashhad, P.O. Box 91775-1111, Mashhad, Iran
  
• 刊物类别：Engineering
• 刊物主题：Civil Engineering
  Industrial Pollution Prevention
  Automotive and Aerospace Engineering and Traffic
  Geotechnical Engineering
  
• 出版者：Korean Society of Civil Engineers
• ISSN：1976-3808

文摘

An accurate formulation is obtained to determine critical load, and corresponding equivalent effective length factor of a simple frame. The presented methodology is based on the exact solutions of the governing differential equations for buckling of a frame with tapered and/or prismatic columns. Accordingly, the influences of taper ratio, shape factor, flexibility of connections, and elastic supports on the critical load, and corresponding equivalent efficient length factor of the frame will be investigated. The authors' findings can be easily applied to the stability design of general non-prismatic frames. Moreover, comparing the results with the accessible outcomes demonstrate the accuracy, efficiency and capabilities of the proposed formulation. Keywords non-prismatic frames tapered columns taper ratio elastic supports flexible connections critical buckling load effective length factor