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Performance-Based Seismic Retrofit of Soft-Story Woodframe Buildings

https://research.thinkwood.com/en/permalink/catalogue674
Year of Publication
2014
Topic
Seismic
Application
Wood Building Systems
Author
Bahmani, Pouria
van de Lindt, John
Pryor, Steven
Mochizuki, Gary
Gershfeld, Mikhail
Rammer, Douglas
Tian, Jingjing
Symans, Michael
Publisher
C3 Ink
Year of Publication
2014
Country of Publication
United States
Format
Magazine Article
Application
Wood Building Systems
Topic
Seismic
Keywords
Retrofit
Soft-Story
Performance Based Seismic Retrofit
Shake Table Test
Language
English
Research Status
Complete
Series
STRUCTURE
Summary
This article presents the first generation of Performance-based seismic retrofit (PBSR) and resulting retrofit design using a combination of wood structural panel sheathing and Simpson Strong-Tie® Strong Frame® steel special moment frames. PBSR is essentially the same as performance-based seismic design (PBSD) with the exception of additional constraints on the design due to existing structural and non-structural assemblies. The PBSD method is a design methodology that seeks to ensure that structures meet prescribed performance criteria under seismic loads. In the PBSR, retrofits were installed such that the building meets the performance criteria at the DBE and MCE level and its torsional response reduces to an acceptable range. In this retrofit design methodology, retrofits are not limited to the bottom story (like those of the FEMA P-807 retrofit methodology). They can also be applied to the upper stories to increase the strength of the building, leading to better overall performance of the structure.
Online Access
Free
Resource Link
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