RESPONSE CONTROL of BASE-ISOLATED STRUCTURE INCORPORATED with A VISCOELASTICALLY SUPPORTED VISCOUS MASS DAMPER

Junya Kikuchi, Masahiro Ikenaga, Kohju Ikago, Norio Inoue

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Research on application of a rotary inertiai damper in a seismic isolated structure has been conducted by many researchers in pursuit of threefold objectives; response control in multiple levels of input ground motions, reduction of floor response accelerations. and establishment of optimum damper design method. The authors propose a new type rotary mertiai damper referred to as a viscoelastically supported viscous mass damper (VeVMD). Unlike a conventional force restricted viscous mass damper (FRVMD), an apparent mass and viscous element arranged in parallel are supported by viscoelastic material to obtain better performance. A set of paxeto-optimum designs ofVeVMD system is sought by a multi-objective genetic algorithm.

Original languageEnglish
Pages (from-to)1515-1524
Number of pages10
JournalJournal of Structural and Construction Engineering
Volume80
Issue number716
DOIs
Publication statusPublished - 2015

Keywords

  • Base isolation
  • Dynamic mass
  • Genetic algorithm
  • Multi-objective optimum design
  • Viscous mass damper

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

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