DOI QR코드

DOI QR Code

Design and Experimental Analysis of Fiber Reinforced Elastomeric Isolator

섬유보강 탄성받침의 설계 및 실험적 해석

  • 문병영 (부산대학교 항공우주공학과) ;
  • 강경주 (부산대학교 대학원 항공우주공학과) ;
  • 강범수 (부산대학교 항공우주공학과) ;
  • 김계수 (동일고무벨트㈜)
  • Published : 2002.10.01

Abstract

The purpose of this study is to investigate the effect of mechanical properties of the FREI using horizontal stiffness and vertical stiffness by experiments. Two kinds of FREI are designed and fabricated. The steel plates of SREI are replaced with fibers in order to reduce the cost of fabrication and installation. At first, the Nylon fiber is adopted as feasibility study of FREI. The experimental results of Nylon FREI and SREI show that the vertical stiffness of Nylon FREI is lower than SREI, and effective damping is two times higher than SREI. Carbon is adopted, by these rusults, as strong reinforcement than Nylon and full scale of carbon FREI was designed and fabricated. By the experimental test results, it is shown that the vertical stiffness of carbon FREI is three times higher than SREI, and two times higher in effective damping. As a result, the proposed FREI can replace the SREI as a seismic isolator.

Keywords

References

  1. Alias, B. O., 2001, 'Profile of a Laminated Rubber Bearing,' Polymer Testing, Vol. 20, Iss. 2, pp. 159-166 https://doi.org/10.1016/S0142-9418(00)00017-9
  2. Hsiang-Chuan, T., and Shaw-Jiun, H., 2001, 'Mechanical Properties of Isolation Bearings Identified by a Viscoelastic Model,' Int. J. of Solids and Structures, Vol. 38, Iss. 1, pp. 53-74 https://doi.org/10.1016/S0020-7683(00)00010-X
  3. Masao, L., 2000, 'A Macroscopic Model for Prediction Large-Deformation Behaviors of Laminated Rubber Bearings,' Engineering Structure, Vol. 22, Iss. 4, pp. 323-334 https://doi.org/10.1016/S0141-0296(98)00118-7
  4. Koo, G. H., Omori, Y., 1998, 'Loadding Rate Effects of High Damping Seismic Isolation Rubber Bearing on Earthquake Responses,' KSME Int. J., Vol. 12, No.1, pp. 58-66
  5. Koo, G.H., Lee, J.H., Lee, H.Y., Kim, J.B. and Yoo, B., 1996, 'Reduction of the Seismic Responses by Using the Modified Hysteretic Bi-Linear Model of the Seismic Isolator,' Transactions of the KSME, A., Vol. 20, No. 1, pp. 127-134
  6. Moon, B.Y., Kang, G.I., Kang, B.S. and Kim, K.S., 2001, 'Dynamic Stability Analysis of Base-Isolated Low-level Nonlinear Structure Under Earthquake Excitation,' Transactions of the KSME, A., Vol. 25, No. 11, pp. 1743-1750
  7. Kelly, J. M., 1999, 'Analysis of Fiber-Reinforced Elastomeric Isolators,' JSEE, Vol. 2, No. 1, pp. 19-34
  8. Kelly, J. M., 2000, ''Analysis for Fiber-Reinforced Elastomeric Isolators,' Annual Report to Engineering Research Center for Net-Shape and Die Manufacturing Pusan National University Korea
  9. Moon, B.Y., Kang, G.J., Kang, B.S., Kim, K.S. and Park, J.S., 2001, 'The Experimental Study for Fiber Reinforced Bearing,' Proc. of EESK Conference-Fall, Vol. 5, No.2, pp. 415 -422
  10. Moon, B.Y., Kang, G.J., Kang, B.S. and Kim, K.S., 2002, 'An Experimental Study on Fiber Reinforced Elastomeric Bearing,' Earthquake Engineering Society of Korea, Vol. 6, No. 1, pp. 1-6
  11. Farzad, N., Kelly, J. M., 1999, Design of Seismic Isolated Structures from Theory to Practice, John wiley & sons, INC, pp. 71-94

Cited by

  1. Dynamic analysis of fiber-reinforced elastomeric isolation structures vol.23, pp.4, 2009, https://doi.org/10.1007/s12206-008-1214-y