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Earthquake Engineering and Engineering Vibration

, Volume 17, Issue 4, pp 693–706 | Cite as

Experimental and analytical study on design performance of full-scale viscoelastic dampers

  • Shiang-Jung Wang
  • I-Chen Chiu
  • Chung-Han Yu
  • Kuo-Chun Chang
Article
  • 232 Downloads
Part of the following topical collections:
  1. Tenth Anniversary of the 2008 Wenchuan Earthquake

Abstract

Viscoelastic (VE) dampers, with their stiffness and energy dissipation capabilities, have been widely used in civil engineering for mitigating wind-induced vibration and seismic responses of structures, thus enhancing the comfort of residents and serviceability of equipment inside. In past relevant research, most analytical models for characterizing the mechanical behavior of VE dampers were verified by comparing their predictions with performance test results from small-scale specimens, which might not adequately or conservatively represent the actual behavior of full-scale dampers, especially with regard to the ambient temperature, temperature rise, and heat convection effects. Thus, in this study, by using a high-performance testing facility with a temperature control system, full-scale VE dampers were dynamically tested with different displacement amplitudes, excitation frequencies, and ambient temperatures. By comparing the analytical predictions with the experimental results, it is demonstrated that adopting the fractional derivative method together with considering the effects of excitation frequencies, ambient temperatures, temperature rises, softening, and hardening, can reproduce the design performance of full-scale VE dampers very well.

Keywords

viscoelastic damper full-scale design performance dynamic test fractional derivative model 

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Notes

Acknowledgement

The study was financially supported by the Science and Technology Authority of Taiwan [107-2221-E-492-004-], and was experimentally supported by the Center for Research on Earthquake Engineering (NCREE), Applied Research Laboratories (NARL) of Taiwan and the Nippon Steel & Sumitomo Metal Corporation, Japan. This support is greatfully acknowledged.

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Copyright information

© Institute of Engineering Mechanics, China Earthquake Administration and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Shiang-Jung Wang
    • 1
  • I-Chen Chiu
    • 2
  • Chung-Han Yu
    • 3
  • Kuo-Chun Chang
    • 4
  1. 1.Department of Civil and Construction EngineeringTaiwan University of Science and TechnologyTaipei, Chinese TaipeiChina
  2. 2.Department of Civil EngineeringTaiwan University (NTU)Taipei, Chinese TaipeiChina
  3. 3.Center for Research on Earthquake Engineering (NCREE)Taipei, Chinese TaipeiChina
  4. 4.Department of Civil EngineeringTaiwan University (NTU)Taipei, Chinese TaipeiChina

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