弾塑性域における軸方向力をうけるH型断面部材の研究

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書誌事項

タイトル別名
  • ON THE BENDING DEFORMATION OF WIDE ELANGE SECTIONS SUBJECTED TO A NORMAL FORCE IN THE ELASTO-PLASTIC RANGE
  • ダン ソセイイキ ニ オケル ジク ホウコウリョク オ ウケル Hガタ ダンメン ブザイ ノ ケンキュウ

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抄録

The deformation of wide flange sections subjected to a normal compressive force and bending moments in the elasto plastic range is studied with an assumption that the flange is concentrated in its gravity centre. An illustrative result obtained through a numerical integration by a computer is given in two charts, which may be correspond to the modified slope deflection coefficients. Then the effects of the cross sectional shape and of the yield strength in materials are discussed with those coefficients. Finally the design criterion of columns unrestricted to side sway is roughly estimated with elasto-plastic deformation characteristics and is compared with the AISC design formula for the plastic design. It may be found that there is afair coincidence between those criteria.

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