"N.Onishi,K.Nishimura,Y.Yamaguchi,A.Shoji","Influence of Headed Longitudinal Reinforcement in Grade Beam on Flexural Behavior of Column Base","The 17th World Conference on Earthquake Engineering (17WCEE)",,,,,,2020,Sept. "K.Nishimura,N.Onishi,M.Kawazu","Experimental Study on Bond Split Failure of Tension Reinforcing Bars Embedded in Concrete","The 17th World Conference on Earthquake Engineering (17WCEE)",,,,,,2020,Sept.