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Brief description on each chapter is given below : Chapter 1 :  The problem and review of previous investigations on the interaction buckling is described. Chapter 2 :  An incremental equilibrium equations for beam-column with arbitrary open cross sections is derived in a stiffness matrix form by using a moving element coordinate system and an incremental variational principle. Yielding of the material is judged as a bi-axial stress problem under normal and shear stresses by using the flow theory of plasticity assosiated with von Mises yield criterion. Validity and efficiency of the present method are shown by illusrative examples. Chapter 3 :  This chapter describes the development of a finite element method which enables to analyze a large displacement elasto-plastic behavior of plate structures which fail by local instability. The plate element used in this method is the ordinary plannar triangluar element. 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  1. B200 工学部/工学研究科
  2. B200d 学位論文
  3. 博士論文(工博・論工博)

薄肉H形断面鋼柱の連成座屈に関する研究

http://hdl.handle.net/2237/12539
http://hdl.handle.net/2237/12539
10007582-6d68-4e72-9095-7d255c0e26f3
名前 / ファイル ライセンス アクション
ot3098_abstr.pdf ot3098_abstr.pdf (354.2 kB)
ot3098.pdf ot3098.pdf (10.0 MB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2009-12-24
タイトル
タイトル 薄肉H形断面鋼柱の連成座屈に関する研究
言語 ja
著者 山尾, 敏孝

× 山尾, 敏孝

WEKO 32217

ja 山尾, 敏孝

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Yamao, Toshitaka

× Yamao, Toshitaka

WEKO 32218

en Yamao, Toshitaka

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 This dissertation presents the theoretical and experimental study concerning the interaction behavior of the local and overall buckling of welded thin-walled H-section columns. Brief description on each chapter is given below : Chapter 1 : The problem and review of previous investigations on the interaction buckling is described. Chapter 2 : An incremental equilibrium equations for beam-column with arbitrary open cross sections is derived in a stiffness matrix form by using a moving element coordinate system and an incremental variational principle. Yielding of the material is judged as a bi-axial stress problem under normal and shear stresses by using the flow theory of plasticity assosiated with von Mises yield criterion. Validity and efficiency of the present method are shown by illusrative examples. Chapter 3 : This chapter describes the development of a finite element method which enables to analyze a large displacement elasto-plastic behavior of plate structures which fail by local instability. The plate element used in this method is the ordinary plannar triangluar element. The in-plane flexural stiffness of the component plates is taken into account using a technique based on the micropolar theory to avoid the singularity of the global stiffness matrix. Since a large portion of the displacement in the postbuckling behavior of the plate element is caused by a rigid body displacement, the nodal forces are calculated by effective displacements which are determined by subtracting the rigid body displacement from the total one. Validity and efficiency of present method are confirmed. Chapter 4 : A finite element technique which enables to connect plate elements with a beam element is developed to analyze large displacement problems of elasto-plastic thin-wal1ed beam-columns. The stiffness matrix is derived by using multipoint constraints technique at the couplipg nodal point. Numerical results of the present method are compared with the exact solutions and experimental results. Chapter 5 : Ultimate strength behaviors of elasto-plastic thin-walled H-section stub-columns are studied experimentally and theoretically. Seven specimens with various width-to-thickness ratio of the component plates of the cross section are tested under uni-axial compression. The test results are compared with the results of nonlinear analysis by the developed finite element method. Validity and efficiency of the present method are shown. Based on the test results, an interaction formula for predicting the ultimate strength. of H-section stub-column under axial compression is proposed. Chapter 6 : The interaction behavior of the local and overall buckling of welded thin-walled H-section columns are studied experimentally. A total of 13 specimens with various slenderness ratios and width-to-thickness ratios of the component plates are tested under axial compression. The AISC form factor method for predicting the ultimate strength of H-section columns is revised for those composed of plates with large width-to-thickness ratios. The predictions of the revised method are found to give fairly accurate results for the columns tested. Chapter 7 : Based on the analytical and experimental stduy, an design formula of the local and overall interaction strength of compression members is proposed. The applicability of the formula is examined in comparison with the numerical results. Chapter 8 : The conclusions obtained from chapters 2 through 7 are summarized
言語 en
内容記述タイプ Abstract
内容記述
内容記述 名古屋大学博士学位論文 学位の種類 : 工学博士(論文) 学位授与年月日 : 昭和61年12月25日
言語 ja
内容記述タイプ Other
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_db06
タイプ doctoral thesis
書誌情報
発行日 1986-12-25
学位名
言語 ja
学位名 工学博士
学位授与機関
学位授与機関識別子Scheme kakenhi
学位授与機関識別子 13901
言語 ja
学位授与機関名 名古屋大学
言語 en
学位授与機関名 Nagoya University
学位授与年度
学位授与年度 1986
学位授与年月日
学位授与年月日 1986-12-25
学位授与番号
学位授与番号 乙第3098号
フォーマット
application/pdf
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/12539
識別子タイプ HDL
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