円孔を有する直交異方性板の孔縁の補強について : 第1報十字棒で円孔を補強した場合

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This paper deals with the effect of two crossed bars that have been fitted into a circular hole with the object of stiffening the edge of the hole, on the stress distribution in orthogonally aeolotropic plate (e.g. wooden plates) under uniform tension. Consequently, the bar that was inserted in the hole perpendicular to the direction of pull did more harm than good fegardless the material of which the baris made, while the bar that was inserted parallel to the direction of pull quite efficient except the bar which had larger Young's modulus than that of the wooden plates. (e.g. steel bar)
1954-03-25