Identification of Dominant Plate Component for Local Buckling of Orthotropic I-Shape Compression Member

직교이방성 I형 단면 압축재의 국부좌굴 주도요소판별

  • 김학군 (홍익대학교 대학원 토목공학과) ;
  • 채수하 (홍익대학교 대학원 토목공학과) ;
  • 정상균 (홍익대학교 대학원 토목공학과) ;
  • 윤순종 (홍익대학교 대학원 토목공학과)
  • Published : 2000.04.01


This paper presents the analytical results of local buckling of orthotropic I-shape compression members. Employing the equilibrium approach, the characteristic equation for local buckling of I-shape compression member is derived. Using the derived equation, the minimum buckling coefficients with respect to the ratio of width to thickness for the I-shape column are suggested as a graphical form. In addition, the dominant plate component initiating the local buckling of I-shape column is also identified by using the approximate solution and the results are plotted with dotted line on the minimum bucking coefficient curve.