Abstract
The performance enhancement of various structural building syst ems from natural hazards has become an inctreasingly important issue in engineering field. In this paper, visco-elas tic(VE) CST30 damping systems were tested under cyclic loadings to evaluate their performance in terms of ductility an d energy dissipation. Main test variables are relative shear stiffness, rate of loading frequency, and thickness of specimens to evaluate the seismic capacity based on the performance criteria. This experiment was performed using a total of 12 spe cimens, subjected to cyclic loadings up to a shear deformation of 500%. All the CST30 dampers provided a ductile a nd stable hysterestic behavior when subjected to the demands of large shear stiffness and different loading frequenc ies. The test results showed that the CST30 dampers are an effective damping systems to enhance the buildings performance for remodeling and retrofit of buildings.
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