RESEARCH ACTIVITIES IN CHILE ON BASE ISOLATION AND PASSIVE ENERGY DISSIPATION

The latest research activities in progress at the University of Chile on base isolation and passive energy dissipation are presented. These include analysis of seismic records obtained at seismic isolated structures and shaking table test results from scale model structures: a shear wall building with base isolation and a steel frame building with copper based alloy dissipative bracing. The scale models were subjected to different seismic inputs, including horizontal as well as vertical components. Analytical models are developed to reproduce experimental results.