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Hysteretic model for steel energy absorbers and evaluation of a seismic design strategy using minimal-damage performance objectives
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Karavasilis, Theodore L., Hale, Emma and Kerawala, Sanaya (2012) Hysteretic model for steel energy absorbers and evaluation of a seismic design strategy using minimal-damage performance objectives. In: 7th International Conference on Behaviour of Steel Structures in Seismic Areas (STESSA), Santiago, Chile, Jan 09-11, 2012. Published in: STESSA 2012: Proceedings of the 7th International Conference on Behaviour of Steel Structures in Seismic Areas, Chapter 119 pp. 847-853. doi:10.1201/b11396-130
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Official URL: http://dx.doi.org/10.1201/b11396-130
Abstract
This paper evaluates an alternative seismic design approach for steel structures that concentrates damage in easy-to-replace steel energy dissipation devices and protects the main structural members from yielding with capacity design rules. This approach is further enhanced by using rate- dependent dampers in parallel to steel devices to achieve drift reduction and protection of drift-sensitive non-structural elements. A model for steel energy dissipation devices is proposed and calibrated against experimental results. The model is found able to accurately predict the experimentally obtained hysteresis
and is implemented in the Open Sees software for use in seismic response analysis. A prototype steel building equipped with steel devices and viscous dampers is designed according to explicitly defined minimal-damage performance objectives. Seismic analyses results indicate that the building is able to achieve immediate occupancy under the design seismic action and rapid return to occupancy under the maximum considered seismic action.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TH Building construction |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | STESSA 2012: Proceedings of the 7th International Conference on Behaviour of Steel Structures in Seismic Areas | ||||
Publisher: | CRC Press | ||||
Official Date: | January 2012 | ||||
Dates: |
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Volume: | Chapter 119 | ||||
Page Range: | pp. 847-853 | ||||
DOI: | 10.1201/b11396-130 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 7th International Conference on Behaviour of Steel Structures in Seismic Areas (STESSA) | ||||
Type of Event: | Conference | ||||
Location of Event: | Santiago, Chile | ||||
Date(s) of Event: | Jan 09-11, 2012 |
Data sourced from Thomson Reuters' Web of Knowledge
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