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Oh, J. (2011). An evaluation of physical characteristics and seismic performance of laminated rubber bearings being used in bridges, Ph.D. dissertation, University of Seoul, pp. 150-173 (in Korean).Oh, J. (2011). An evaluation of physical characteristics and seismic performance of laminated rubber bearings being used in bridges, Ph.D. dissertation, University of Seoul, pp. 150-173 (in Korean).

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Korea Testing and Research Institute (2011). Performance evaluation test report of Lead Rubber Bearing, Unison e-tech R&D center, pp. 52-54 (in Korean).Korea Testing and Research Institute (2011). Performance evaluation test report of Lead Rubber Bearing, Unison e-tech R&D center, pp. 52-54 (in Korean).

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Hiroyuki, H., Jiro, Y., Teruchika, K., Shinichi, I. (1989). “The development of nishimatsu construction base isolation system-part 2:experimental study.” Report of the Engineering Research Laboratory, Nishimatsu co. ltd, Vol. 12, pp. 34-42 (in Japanese).Hiroyuki, H., Jiro, Y., Teruchika, K., Shinichi, I. (1989). “The development of nishimatsu construction base isolation system-part 2:experimental study.” Report of the Engineering Research Laboratory, Nishimatsu co. ltd, Vol. 12, pp. 34-42 (in Japanese).

Nakamura, T., Okada, H., Seki, M., Sugiyama, K., Teramura A. (1991). “Development of base isolation system for earthquakes and micro-vibrations using laminated thick rubber bearings.” (Part 1). Characteristics tests for laminated thick rubber bearings, Report of the Engineering Research Laboratory, Ohbayashi-Gumi, Ltd., No. 42, pp. 15-22 (in Japanese).Nakamura, T., Okada, H., Seki, M., Sugiyama, K., Teramura A. (1991). “Development of base isolation system for earthquakes and micro-vibrations using laminated thick rubber bearings.” (Part 1). Characteristics tests for laminated thick rubber bearings, Report of the Engineering Research Laboratory, Ohbayashi-Gumi, Ltd., No. 42, pp. 15-22 (in Japanese).

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Chou, H. W. and Huang J. S. (2008). “Effects of cycle compression and thermal aging on dynmic properties of neoprene rubber bearing.” J. of Applied Polymer Science, Vol. 107, pp. 1635-1641.Chou, H. W. and Huang J. S. (2008). “Effects of cycle compression and thermal aging on dynmic properties of neoprene rubber bearing.” J. of Applied Polymer Science, Vol. 107, pp. 1635-1641.

Itoh, Y. and Gu, H. S. (2009). “Prediction of aging characteristics in natural rubber bearings used in bridges.” J. of Bridge Engineering, ASCE, Vol. 14, No. 2, pp. 122-129.Itoh, Y. and Gu, H. S. (2009). “Prediction of aging characteristics in natural rubber bearings used in bridges.” J. of Bridge Engineering, ASCE, Vol. 14, No. 2, pp. 122-129.

John J. Fitzgerald, Arthur C. Martellock, Paul L. Nielsen and Robynn V. Schillace. (1992). “The effect of cyclic stress on the physical properties of a poly elastomer.” Polymer Engineering & Science, Vol. 32, pp. 1350-1357.John J. Fitzgerald, Arthur C. Martellock, Paul L. Nielsen and Robynn V. Schillace. (1992). “The effect of cyclic stress on the physical properties of a poly elastomer.” Polymer Engineering & Science, Vol. 32, pp. 1350-1357.

Kato, M., Watanabe Y., Yoneda, G., Tanimoto, E., Hirotani, T., Shirahama, K., Fukushima, Y., Murazumi, Y. (1996). “Investigation of aging effects for laminated rubber bearings of Pelham Bridge.” Eleventh World Conference on Earthquake Engineering, Paper No.1450.Kato, M., Watanabe Y., Yoneda, G., Tanimoto, E., Hirotani, T., Shirahama, K., Fukushima, Y., Murazumi, Y. (1996). “Investigation of aging effects for laminated rubber bearings of Pelham Bridge.” Eleventh World Conference on Earthquake Engineering, Paper No.1450.

Kitahara, T. (2008). “Seismic performance of RC bridge piers considering aging of base isolated rubber.” Proceeding of 4th International ASRANet Conference.Kitahara, T. (2008). “Seismic performance of RC bridge piers considering aging of base isolated rubber.” Proceeding of 4th International ASRANet Conference.

Mott, P. H. and Roland, C. M. (2001). “Aging of natural rubber in air and seawater.” Rubber Chemistry and Techology, Vol. 74, pp. 79-88.Mott, P. H. and Roland, C. M. (2001). “Aging of natural rubber in air and seawater.” Rubber Chemistry and Techology, Vol. 74, pp. 79-88.

Takafumi Fujita, Katsuhiko Ishida, Toshikazu Yoshizawa, Ichiro Nishikawa, Yoshitaka Muramatsu. (1995). “Study for the prediction of the long-term durability of seismic isolators.” Seismic Shock and Vibration Isolation, ASME, Vol. 319, pp. 197-203.Takafumi Fujita, Katsuhiko Ishida, Toshikazu Yoshizawa, Ichiro Nishikawa, Yoshitaka Muramatsu. (1995). “Study for the prediction of the long-term durability of seismic isolators.” Seismic Shock and Vibration Isolation, ASME, Vol. 319, pp. 197-203.

ISO 22762 (2010). Elastomeric seismic protection isolators part-1 : Test Methods.ISO 22762 (2010). Elastomeric seismic protection isolators part-1 : Test Methods.

ISO 22762 (2010). Elastomeric seismic protection isolators part-2 : Applications for bridge- specifications.ISO 22762 (2010). Elastomeric seismic protection isolators part-2 : Applications for bridge- specifications.

AASHTO (2010). Guide specifications for seismic isolation design, Washington D. C.AASHTO (2010). Guide specifications for seismic isolation design, Washington D. C.