Seismic Resilience Enhancement of Irregular Space Structure Using Friction-Damped Self-Centering Tension Braces
Publication: Journal of Structural Engineering
Volume 150, Issue 3
Abstract
A variety of self-centering devices and structural systems have been proposed and investigated in recent years to eliminate or reduce postearthquake repair, but so far their applications are still very limited. This paper reports the seismic resilience enhancement of an irregular space structure by using friction-damped self-centering tension braces (FSTBs). First, the configuration, performance, and numerical model of FSTBs are introduced, and then a seismic design procedure for enhancing the seismic capacity of a torsional irregular structure is proposed. Taking the terminal building at the Harare Airport, a lifeline project in Zimbabwe, for example, unidirectional and three-dimensional nonlinear dynamic analyses were conducted on the building designed with and without FSTBs. The result shows that FSTBs can significantly reduce both story drifts and residual story drifts of the bottom reinforced concrete frame and displacements of the steel roof. To this end, the field assembly of FSTBs is briefly reported. The presented study provides references to the use of self-centering devices in seismic resilience upgrades of important engineering projects.
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Data Availability Statement
The numerical results are available from the corresponding author upon reasonable request.
Acknowledgments
This work was supported by the Natural Science Foundation of China (No. 52125802) and the Scientific Research Foundation of the Graduate School of Southeast University (No. YBPY2125).
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 150 • Issue 3 • March 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: Jul 23, 2023
Accepted: Oct 17, 2023
Published online: Jan 8, 2024
Published in print: Mar 1, 2024
Discussion open until: Jun 8, 2024
ASCE Technical Topics:
- Aerospace engineering
- Bracing
- Building design
- Construction engineering
- Construction methods
- Design (by type)
- Earthquake engineering
- Engineering fundamentals
- Geotechnical engineering
- Infrastructure
- Infrastructure resilience
- Seismic design
- Seismic effects
- Seismic tests
- Space colonies
- Space structures
- Structural engineering
- Structural members
- Structural systems
- Tension members
- Tests (by type)
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