The influence of the nonlinear behaviour of structures isolated by a special class of fluid viscous devices on the seismic response of secondary elements, is analysed. Nonlinearities concern the superstructure as well as the base-isolating devices, the damping behaviour of which is modelled by a "fractional" viscous relationship. With reference to a five-story reinforced concrete plane frame, a parametric investigation was carried out by evaluating floor response (FR) spectra corresponding to different elastic and damping properties of the isolators.
Influence of the nonlinear behaviour of base isolated structures on seismic response of secondary elements / L. Galano; G. Terenzi. - STAMPA. - (1999), pp. 1141-1146. (Intervento presentato al convegno Fourth European Conference on Structural Dynamics - EURODYN' 99 tenutosi a Prague, Czech Republic nel June 7-10, 1999).
Influence of the nonlinear behaviour of base isolated structures on seismic response of secondary elements
GALANO, LUCIANO;TERENZI, GLORIA
1999
Abstract
The influence of the nonlinear behaviour of structures isolated by a special class of fluid viscous devices on the seismic response of secondary elements, is analysed. Nonlinearities concern the superstructure as well as the base-isolating devices, the damping behaviour of which is modelled by a "fractional" viscous relationship. With reference to a five-story reinforced concrete plane frame, a parametric investigation was carried out by evaluating floor response (FR) spectra corresponding to different elastic and damping properties of the isolators.
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