1. 1) Toshiro, H. and Felix, D. R. J. : Effect of hardening of lead rubber bearings on nonlinear behavior of highway viaduct under great earthquake, 13th World Conference on Earthquake Engineering Vancouver, B.C., Canada August 1-6, 2004, Paper No. 3332, 2004.
2. 2) Eem, S. and Daegi, H. : Large strain nonlinear model of lead rubber bearings for design basis earthquakes, Nuclear Engineering and Technology, Vol. 51, pp. 600-606, 2019.
3. 3) Sugiyama, Y., Toyoshima, M., Chiba, D. and Kurita, S. : Characteristics of nonlinear restoring forces of base-isolation devices at small strains based on seismic response records, Part 3 - Lead rubber bearing, J. Struct. Constr. Eng, AIJ, No. 587, pp. 85-92, Jan. 2005.
4. 4) Dang, J., Higashide, T., Igarashi, A., Adachi, Y. and Hayashi, T. : Dynamic analysis to investigate the effect of aging deterioration of lead rubber bearings on the seismic performance of bridges, Japan Society of Civil Engineers, Structural Engineering and Earthquake Engineering, Vol. 71, No. 4, pp. 713-724, 2015. (in Japanese)
5. 5) Yoshida, J., Abe, M. and Fujino, Y. : Performance of base-isolated bridge during 1995 Kobe Earthquake based on observed records, Proc. JSCE, No. 626/I-48, pp. 27-50, 1999.