ON THE ACCESS LIMIT OF WEB PERFORATION TO STEEL BEAM END

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  • 鉄骨梁貫通孔の梁端からの限界距離について
  • テッコツ ハリ カンツウコウ ノ リョウタン カラ ノ ゲンカイ キョリ ニ

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The basic condition of limit state design for beams is that beams show sufficient plastic deformation capacity by generating plastic hinges at the beam ends. Concerning beams with web perforation, this condition is also satisfied when opening located in a distance from the beam end is not dameged prematurely. In this paper, design formulae for evaluating strength of opening part and limit distance of the opening from the beam end are proposed. And an experiment was performed for verifing the propriety of the design formulae and the plastic deformation capacity of the beams with web opnenings.

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