"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",,"  25-13294",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.