単調増加面内横荷重下の切欠き鋼試験片の降伏ひずみ挙動

概要

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We conducted tests to investigate the yielding phenomena of notched specimen under in-plane monotonic bending load. We used carbon steel (S 25 C steel plate). Strain gages were attached to notch root and side surface in front of specimen and strains were measured during bending load. From strains measured, the relationship between strains of both notches and bending load level is shown and changes of strain distributions ahead of notch root as bending load increases are shown. Strains of one notch root and strains of other notch are different under same bending load level and ratios of both strain value become 0.36,1.38,2.12. Therefore, it is found that strain distribution from one notch root to other notch root do not become the inverse symmetrical distribution such as bending theory described in text book. These results is described in this paper.
長崎大学の論文