"Niki Tanaka,Kimitoshi Sakai,Akihiro Takahashi","Effect of earthquake duration on combination of seismic actions in pile foundation design",,"Journal of JSCE Special Publication",,"Vol. 2026",,,2026,June
"Niki Tanaka,Kimitoshi Sakai,Akihiro Takahashi","Effect of earthquake duration on correction factor of seismic actions in seismic deformation method","International Workshop: 30 Years after the Great Hanshin-Awaji (Kobe) Earthquake, as a part of the 45th JSCE Earthquake Engineering Symposium","Proceedings of the 45th JSCE Earthquake Engineering Symposium",,,,"  Paper ID 487",2025,Sept.