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- Title
Seismic response of steel structures with wire rope isolators at base.
- Authors
Sinaeefar, Babak; Bayat, Mahmoud; Pirizadeh, Mahboubeh
- Abstract
In this paper, cable isolators with applications in the field of vibration and shocks imported into steel structures and isolated equipment are investigated. The aim of this study is to examine the effect of wire rope isolators by combining friction isolators in steel structures, as well as to obtain the seismic response of isolated structures at base, and to investigate the effect of this isolator on the seismic response based on the nonlinear time history analysis which is the method of our research. Incremental Dynamic Analysis (IDA) is used to evaluate the seismic capacity demand of steel moment frames. In the IDA, spectral acceleration at the first-mode period of vibration with 5 percent damping (Sa(T1, 5 %)) has been used as an Intensity Measure (IM), which has the less dispersion for far-fault records. The fragility curves of the structures have been presented for different performance levels.
- Subjects
SEISMIC response; STEEL framing; METAL microstructure; ISOLATORS (Engineering); VIBRATION (Mechanics)
- Publication
Vibroengineering Procedia, 2018, Vol 17, p57
- ISSN
2345-0533
- Publication type
Article
- DOI
10.21595/vp.2018.19866