内圧を受ける中空正方形板の光弾性応力解析

中空角柱モデルとの比較

抄録

Stress concentration of the square plate with a rounded square hole is experimentally observed by a reflective photoelasticity. Two-dimensional square hollow models are prepared for lots of form factors on the corner curvature of the rounded hole and the wall thickness of the model. Additionally, the three-dimensional hollow square bar models of the same configuration of 180mm long are made.
Pressure load is applied to the rounded square hole of both models. For three-dimensional model, a special loading apparatus is designed only to give internal pressure. Stress concentrarion parameters are defined and summarized for the corner curvature of the rounded hole and the wall thickness of the model.