4Izawa K, Tachibana E, lnoue Y. Evaluation of base-isolated effect in building structure for earthquake excitations ( Part 1. Behavior of the base-isolated building for the Hyogo-Ken Nambu Earthquake) [ R]. Technology Reports of the Osaka University, 1998,48 (2301 - 2318). 65 - 72.
5Mok C, Namba H. Frequency response characteristics anti response spectra of base-isolated and un-isolated structures[ A]. ASME, Pressure Vessels and Piping Division (Publication) [ C ] . 1995,319,45 - 58.
6Fomi M. Analysis of in-situ forced vibration tests of twin seismically isolated and non-isolated buildings[ A]. ASME, Pressure Vessels and Piping Division ( Publication ) [ C ]. 1993,256,217 - 229.
7Takeda M. Study on seismic reliability of base isolated building comparing with non base isolated building[ A ]. Proceedings of ICOSSAR.89,the 5th International Conference on Structural Safety and Reliability, Part 1[ C]. Publ by ASCE. 1989, 747 -750.