Original Article
  • Approximate Solution for Finding the Buckling Strength of Orthotropic Rectangular Plates
  • J.H. Jung, S.J. Yoon, S.K. You
  • 직교이방성판의 좌굴강도를 구하기 위한 근사식의 개발
  • 정재호(홍익대학교 토목공학과 대학원), 윤순종(홍익대학교 공과대학 토목공학과 ), 유성근(BBM Korea )
Abstract
In this study, the analytical investigation of orthotropic rectangular plate is presented. The loaded edges are assumed to be simply supported and the unloaded edges could have elastically restrained boundary conditions including the extreme boundary condition such as simple, fixed, and free. Using the closed-form solutions, the buckling analyses of orthotropic plate with arbitrary boundary conditions are performed. Based on the data obtained by conducting numerical analysis, the simplified form of equation for finding the buckling coefficient of plate with elastically restrained boundary conditions at the unloaded edges is suggested as a function of aspect ratio, elastic restraint, and material properties of the plate. The results of buckling analyses by closed-form solution and simplified form of solution are compared for various orthotropic material properties. It is confirmed that the difference of results is less than 1.5%.

In this study, the analytical investigation of orthotropic rectangular plate is presented. The loaded edges are assumed to be simply supported and the unloaded edges could have elastically restrained boundary conditions including the extreme boundary condition such as simple, fixed, and free. Using the closed-form solutions, the buckling analyses of orthotropic plate with arbitrary boundary conditions are performed. Based on the data obtained by conducting numerical analysis, the simplified form of equation for finding the buckling coefficient of plate with elastically restrained boundary conditions at the unloaded edges is suggested as a function of aspect ratio, elastic restraint, and material properties of the plate. The results of buckling analyses by closed-form solution and simplified form of solution are compared for various orthotropic material properties. It is confirmed that the difference of results is less than 1.5%.

Keywords: Orthotropic plate, Buckling coefficient, Elastic restraint, Approximate solution

Keywords: 직교이방성판, 좌굴계수, 탄성구속, 근사식

This Article

  • 2003; 16(5): 28-38

    Published on Oct 31, 2003

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