補強材を持つ板の応力 : 第3報, 補強された半円切欠きを持つ板の曲げ, 両側に補強材, 中央に1円孔を持つ板の集中曲げ

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タイトル別名
  • Stresses on the Reinforced Bars : 3rd Report, Bars with a Reinforced Semi circular Notch under Bending Reinforced Bars with a Hole under Central Bending
  • ホキョウザイ オ モツ イタ ノ オウリョク 3

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抄録

The object of the present work hereby described is to obtain some information about the stresses in reinforced plastic bars. Part one of tests was carried out under bending on a bar with a composite reinforced semi-circular notch. The bars were of epoxy resin reinforced with duralumin. The reinforcements of the semicircular notches are of the concentric, crescent, and arch-types. The relations between the maximum shear stress and breadth of bars are obtained. The most suitable reinforcements are discussed. Part two of tests was carried out under central bending on a composite bar with a hole. The bars were of epoxy resin stiffened with duralumin strips. The relations between the stress-concentration factors of the stiffened models and radii of holes ars obtained.

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