Chapter
May 14, 2014
Performance Spectra-Based Methodology for the Implementation of Supplemental Dampers in Buildings Subjected to Earthquakes
Authors: Jack Wen Wei Guo [email protected] and Constantin Christopoulos [email protected]Author Affiliations
Publication: Sustainable Development of Critical Infrastructure
Abstract
An overview of the performance spectra method is first provided. Using this method, a 3-story, special moment-resisting frame is then retrofitted with four different types of supplemental dampers to meet two different performance targets. The results of the nonlinear time-history analyses show that the trial damping designs obtained by the method were close to the initial performance targets without any design iterations. The performance spectra can underestimate the reduction in base shear due to higher mode effects. However, this can be corrected using the supplemental damping properties computed from the method. This design example demonstrates the effectiveness of the performance spectra procedure for producing trial performance-based designs using different types of supplemental damping devices.
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Information
Published In
Sustainable Development of Critical Infrastructure
Pages: 480 - 487
Copyright
© 2014 American Society of Civil Engineers.
History
Published online: May 14, 2014
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ASCE Technical Topics:
- Computing in civil engineering
- Construction engineering
- Construction methods
- Continuum mechanics
- Damping
- Design (by type)
- Dynamics (solid mechanics)
- Earthquakes
- Engineering fundamentals
- Engineering mechanics
- Frames
- Geohazards
- Geotechnical engineering
- Moment (mechanics)
- Nonlinear analysis
- Performance-based design
- Rehabilitation
- Solid mechanics
- Statics (mechanics)
- Structural analysis
- Structural design
- Structural dynamics
- Structural engineering
- Structural members
- Structural systems
Authors
Affiliations
Ph.D. Candidate, Department of Civil Engineering, University of Toronto, M5S 1A4, 35 St. George Street, Toronto, Canada. E-mail: [email protected]
Professor, Department of Civil Engineering, University of Toronto, M5S 1A4, 35 St. George Street, Toronto, Canada damping. E-mail: [email protected]
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