2018 - 2022 Damage detection and safety evaluation for aging concrete structures during large earthquakes
2006 - 2008 STUDY FOR DAMAGE MECHANISM ON THE BRIDGE STRUCTURES BY TSUNAMI AND STORM SURGE
2006 - 2007 Development of an early seismic damage detection technology for civil infrastructures
2003 - 2005 Development of an seismic damage detection system for civil infrastructures
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Papers (169):
Ronald Stephan Alvarez Reyes, Shigeki Unjoh. A new approach for detecting the damage of underground bridge foundations using transfer resistance. Structure and Infrastructure Engineering. 2024. 1-22
Xirui Li, Shigeki Unjoh. Experimental Investigation on the Seismic Behavior of Prestressed Precast Segmental Piers. 2023
Xinhao He, Dan Li, Shigeki Unjoh. Joint state-parameter estimation for structures with seismic isolation and damping systems: Theoretical observability and experimental verification. Mechanical Systems and Signal Processing. 2023. 203. 110733-110733
Xinhao He, Dan Li, Shigeki Unjoh. Parameter Estimation for Seismic Isolation Structures in the Presence of Pounding Problems by Unscented Kalman Filter. Lecture Notes in Civil Engineering. 2023. 603-613
Ronald Alvarez, Shigeki Unjoh. Damages Identification Methodology of Unseen Reinforced Concrete Foundations Using Error Analysis of Transfer Resistance. Proceedings of the 8th International Conference on Civil, Structural and Transportation Engineering (ICCSTE 2023). 2023