A pile top seismic isolation system is used for constructing base-isolated buildings. In this system, seismic isolators are set on the pile’s top directly, and piles ar [...]

Base-isolation devices attached to base-isolated buildings can be subjected to larger and more cyclic deformation than anticipated as a result of long-period ground motio [...]

Recently, the number of monitoring reports of seismically isolated building is gradually increasing. In this paper, a long-term dense monitoring system of seismically iso [...]

Transition of dynamic characteristics, such as natural frequency, damping ratio, and mode vectors, was investigated by using a long-term ambient vibration test on a low-r [...]

This paper examines seismic behavior of office furniture in an upper floor of high-rise buildings due to long-period ground motions by shaking table tests and simulations [...]

A new system identification procedure, named as “Adaptive Forward-Backward Kalman Filter (AFB-KF)”, is developed to estimate natural frequency transition of a buildin [...]

Changes of modal parameters of a full scale 4-story steel building due to construction progress or seismic damage are evaluated in the shaking table test of the 2007 E-de [...]

A lot of researches on the seismic vibration control system show that they have effect on mitigating seismic damage. Most researches on structures with damper devices sub [...]