Experimental and numerical studies of trench friction pendulum system

C.S. Tsai: Dept. of Civil Engineering, Feng Chia University, Taichung, Taiwan, R.O.C. Wen-Shin Chen: Graduate Institute of Civil and Hydraulic Engineering, Feng Chia University, Taichung, Taiwan, R.O.C. Tsu-Cheng Chiang: Earthquake Proof Systems, Inc., Taichung, Taiwan, R.O.C.