—In this paper, the performance verification study
on a recently developed vertical vibration isolator is presented.
The vertical seismic isolation system consists of four
wedge-shape steel parts which provide friction surface at their
interfaces, a center and two side springs, and a lateral bar which
functions as a guide to side springs. The theoretical model for
the isolator derived from the force equilibrium relationship is
verified via numerical analyses and prototype tests. The
performance of the isolator is further verified using the shaking
table test. The analytical and experimental studies show that the
isolator can reduce the vertical vibration effectively.
—Vertical isolation device, friction damper,
shaking table test.
Youin Lee, Yong-Su Ji and Woojin Han are with ESCO RTS Co. Ltd.,
Seoul Korea (e-mail:firstname.lastname@example.org).
Sanghyun Choi is with the Dept. of Railroad Facility Engineering, Korea
National University of transportation, Korea
Sung Gook Cho is with INNOSETECH Co. Ltd., Inchon Korea.
Cite:Youin Lee, Yong-Su Ji, Woojin Han, Sanghyun Choi, and Sung Gook Cho, "Shaking Table Test of Vertical Isolation Device," International Journal of Environmental Science and Development vol. 5, no. 1, pp. 5-7, 2014.