"八馬秀,和田直大,五十嵐規矩夫,岡田忠義","八角形中空断面部材の実挙動を考慮した塑性変形性能評価",,"鋼構造年次論文報告集","日本鋼構造協会","Vol. 27",,"pp. 147-153",2019,Nov. "和田直大,五十嵐規矩夫,岡田 忠義,川端洋介,小橋知季","純圧縮または曲げを受ける八角形中空断面部材の弾性座屈耐力算定","日本建築学会大会","日本建築学会大会学術講演梗概集",,,,"pp. 1125-1126",2019,Sept. "八馬秀,和田直大,五十嵐規矩夫,岡田 忠義,川端洋介","八角形中空断面部材の塑性変形性能評価","日本建築学会大会","日本建築学会大会学術講演梗概集",,,,"pp. 1127-1128",2019,Sept. "和田 直大,五十嵐 規矩夫,岡田 忠義","八角形中空断面部材の弾性座屈性状と塑性変形能力評価",,"鋼構造年次論文報告集","日本鋼構造協会","Vol. 26",,"pp. 730 - 735",2018,Nov. "和田 直大,五十嵐 規矩夫,岡田 忠義","曲げせん断力及び軸力を受ける八角形断面部材の最大耐力と塑性変形能力","日本建築学会大会","日本建築学会大会学術講演梗概集",,,,"pp. 1001-1002",2018,Sept. "Wada Naohiro,Ikarashi Kikuo,Okada Tadayoshi,Kawabata Yosuke","Local buckling behavior of octagonal hollow cross-section member under axial compression or bending shear","EUROSTEEL 2017",,,,,,2017,Sept. "和田直大,五十嵐規矩夫","軸圧縮作用下の円形断面部材と正多角形断面部材の弾性座屈の関係性","日本建築学会大会","日本建築学会大会学術講演梗概集",,,,"pp. 1067-1068",2017,Aug. "和田直大,五十嵐規矩夫,岡田忠義,川端洋介","八角形中空断面部材の局部座屈性状","日本建築学会大会学術講演","日本建築学会大会学術講演梗概集",," 構造?",,"pp. 931-932",2016,Aug.