「柱梁接合部の脆性破断評価における縮小試験体使用の課題　脆性破壊特性に及ぼす幾何学寸法効果」に対する討論

（大家直也，川畑友弥，吉敷祥一，中込忠男 著 日本建築学会構造系論文集，第87巻，第791号，9-19，2022年1月号掲載）

抄録

Some illogical statements and improper analyses in the above paper for the size effect on brittle fracture in steel are pointed out referring to related research papers published in the past. In particular, the fracture pattern of the employed small-scale specimens is incompatible with the actual pattern observed in real-scale members in steel building structures.