Influence of Damping Systems on Building Structures Subject to Seismic Effects

摘要

This project investigates the behaviour of multi-storey buildings under simulated earthquake loads with viscoelastic dampers, friction dampers and combined frictionviscoelastic damping devices strategically located within shear walls. Consequently, evaluations are made as to how the damping systems affect the seismic response of these structures. In particular, this project concentrates on the effectiveness of dampers within cut-outs in the shear walls. The initial stiffness of cut out section of the shear wall is removed and replaced by the stiffness and damping of the device. Influence of parameters of dampers properties such as stiffness, damping coefficient, location, configuration and size are studied and evaluated using results obtained under several different earthquake scenarios. Various building models are treated in order to establish the effectiveness of the dampers and their optimal placement.