Study on Motion Analysis of Friction Pendulum Isolation Systems during Earthquake. 2nd Report. Dynamic Test and Analysis on a 3-Storey Steel Frame Model Supported by 4 Friction Pendulum Bearings.

Abstract

Most of non-rubber type isolation systems apply frictional force. One of the famous non-rubber type isolation systems is Friction Pendulum Bearing (: FPB) system. The superstructure supported lot of FPB systems may have produced the rotational motion from the dispersion of the frictional force. In this study, dynamic motion of the isolated structure model with 4 of Friction Pendulum Bearing systems are investigated, especially in in-plane mode, considering a variance of friction coefficient of one system, a distribution of the mass of superstructures. We carried out the shake table test using 3-storey steal-frame model. In this paper, the superstructure is considered in two models: the 4 material point frame model and the rigid body model. The experimental result of the shake table test using 3-storey steal-frame model was compared with the response analysis of those models.