増厚補強円環を有する板の引張りに関する光弾性実験(続報)

抄録

The stress-freezing and slicing technique is applied to obtain the maximum stress in a plate having a reinforced circular hole and subjected to uniaxial tension. Specimens are so constructed that a ring of epoxy resin is cemented to the inside of the hole cut in a plate of the same material. The difference method is used to find the variation of fringe intensity in the ring. The effect of the dimensions of the ring and the widths of the plate on the maximum stress is investigated. The optimum strength condition for the circular hole with a stiffening ring is discussed. The present results are of practical interest in connection with the reinforcement of the plate having a circular hole.