Structural Engineering and Mechanics

  • 제22권6호
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  • Pages.761-783
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  • 2006
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Seismic behavior of structures isolated with a hybrid system of rubber bearings

  • Chen, Bo-Jen (R & D Department, Earthquake Proof Systems, Inc.) ;
  • Tsai, C.S. (Department of Civil Engineering, Feng Chia University) ;
  • Chung, L.L. (National Center for Research on Earthquake Engineering) ;
  • Chiang, Tsu-Cheng (Graduate Institute of Civil and Hydraulic Engineering, Feng Chia University)
  • 투고 : 2005.06.17
  • 심사 : 2005.12.21
  • 발행 : 2006.04.20
⟨ 이전 논문 다음 논문 ⟩

초록

The enlargement of interest in base isolators as an earthquake-proof design strategy has dramatically accelerated experimental studies of elastomeric bearings worldwide. In this paper, a new base isolator concept that is a hybrid system of rubber bearings is proposed. Uniaxial, biaxial, and triaxial shaking table tests are also performed to study the seismic behavior of a 0.4-scale three-story isolated steel structure in the National Center for Research on Earthquake Engineering in Taiwan. Experimental results demonstrate that structures with a hybrid system of rubber bearings composed of stirruped rubber bearings and laminated rubber bearings can actually decrease the seismic responses of the superstructure. It has been proved through the shaking table tests that the proposed hybrid system of rubber bearings is a very promising tool to enhance the seismic resistance of structures. Moreover, it is demonstrated that the proposed analytical model in this paper can predict the mechanical behavior of the hybrid system of rubber bearings and seismic responses of the base-isolated structures.

키워드

과제정보

연구 과제 주관 기관 : National Science Council

참고문헌

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피인용 문헌

  1. Assessing the effect of inherent nonlinearities in the analysis and design of a low-rise base isolated steel building vol.5, pp.5, 2013, https://doi.org/10.12989/eas.2013.5.5.499
  2. Comparison of adaptive structural damage identification techniques in nonlinear hysteretic vibration isolation systems vol.12, pp.4, 2013, https://doi.org/10.1007/s11803-013-0204-y
  3. Seismic performance assessment of reinforced concrete bridge piers supported by laminated rubber bearings vol.29, pp.3, 2008, https://doi.org/10.12989/sem.2008.29.3.259
  4. Probabilistic analysis for the response of nonlinear base isolation system under the ground excitation induced by high dam flood discharge vol.16, pp.4, 2017, https://doi.org/10.1007/s11803-017-0419-4
  5. Parameter identification of hysteretic model of rubber-bearing based on sequential nonlinear least-square estimation vol.9, pp.3, 2010, https://doi.org/10.1007/s11803-010-0022-4