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This paper presents results of experimental and numerical investigations of a seesaw energy dissipation system(SEDS)using fluid viscous dampers(FVDs).To confirm the characteristics of the FVDs used in the tests,harmonic dynamic loading tests were conducted in advance of the free vibration tests and the shaking table tests.Shaking table tests were conducted to demonstrate the damping capacity of the SEDS under random excitations such as seismic waves,and the results showed SEDSs have sufficient damping capacity for reducing the seismic response of frames.Free vibration tests were conducted to confirm the reliability of simplified analysis.Time history response analyses were also conducted and the results are in close agreement with shaking table test results.
This paper presents results of experimental and numerical investigations of a seesaw energy dissipation system (SEDS) using fluid viscous dampers (FVDs). To confirm the characteristics of the FVDs used in the tests, harmonic dynamic loading tests were conducted in advance of the free vibration tests and the shaking table tests. Shaking table tests were conducted to demonstrate the damping capacity of the SEDS under random excitations such as seismic waves, and the results showed SEDSs have sufficient damping capacity for reducing the seismic response of frames. to confirm the reliability of simplified analysis.Time history responses analyses were also conducted and the results are in close agreement with shaking table test results.