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Publication Information

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Title: Full-Scale Experimental Verification of Soft-Story-Only Retrofits of Wood-Frame Buildings using Hybrid Testing

Author: Jennings, Elaina; van de Lindt, John W.; Ziaei, Ershad; Bahmani, Pouria; Park, Sangki; Shao, Xiaoyun; Pang, Weichiang; Rammer, Douglas; Mochizuki, Gary; Gershfeld, Mikhail;

Date: 2015

Source: Journal of Earthquake Engineering

Publication Series: Scientific Journal (JRNL)

Description: The FEMA P-807 Guidelines were developed for retrofitting soft-story wood-frame buildings based on existing data, and the method had not been verified through full-scale experimental testing. This article presents two different retrofit designs based directly on the FEMA P-807 Guidelines that were examined at several different seismic intensity levels. The effects of the retrofits on damage to the upper stories were investigated. The results from the hybrid testing verify that designs following the FEMA P-807 Guidelines meet specified performance levels and appear to successfully prevent collapse at significantly higher seismic intensity levels well beyond for which they were designed. Based on the test results presented in this article, it is recommended that the soft-story-only retrofit procedure can be followed when financial or other constraints limit the retrofit from bringing the soft-story building up to current code or applying performance-based procedures.

Keywords: Soft-Story, Wood-Frame, Full-Scale Test, Retrofit, FEMA P-807, Hybrid Testing

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Jennings, Elaina; van de Lindt, John W.; Ziaei, Ershad; Bahmani, Pouria; Park, Sangki; Shao, Xiaoyun; Pang, Weichiang; Rammer, Douglas; Mochizuki, Gary; Gershfeld, Mikhail 2015. Full-Scale Experimental Verification of Soft-Story-Only Retrofits of Wood-Frame Buildings using Hybrid Testing. Journal of Earthquake Engineering. 19(3): 410-430.

 


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