Stochastic seismic analysis of MDOF structures with viscous damper devices

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46 Citazioni (Scopus)

Abstract

Fluid damper devices in civil structures such as buildings or bridges are commonly used as energy absorbers for seismic protection. The problem in the response analysis of structures with filleddampers mainly consists in the fact that, due to the strongly nonlinear behavior of such equipments, the response spectrum technique fails. In this paper by using the concept of power spectral densityfunction compatible with the elastic response spectrum and the stochastic linearization technique, the equivalent damping ratio is obtained. It is shown that once the system is linearized resultsobtained by Monte Carlo simulation and those obtained by stochastic analysis are in goodagreement. Response spectrum technique based on the linearized equations of motion andsimplified analysis useful for design purposes are discussed in detail.
Lingua originaleEnglish
pagine (da-a)303-318
Numero di pagine16
RivistaSTRUCTURAL CONTROL & HEALTH MONITORING
Volume16
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials

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