Seismic Performance of Existing Building Retrofitted with VSL-Gensui Damper

Buildings designed using older code should be checked against the higher demand required by newer code. In this study, performance of Building T of Petra Christian University, Surabaya, Indonesia, which was designed with older Indonesian Seismic Code (PPTGIUG 1983) is investigated. The effectiveness...

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Bibliographic Details
Published in:Dimensi teknik sipil 2018-10, Vol.20 (2), p.86-90
Main Authors: Pamuda Pudjisuryadi, Benjamin Lumantarna, Tjhai Ferlinda Hermawan, Teddy Tirta Gunawan
Format: Article
Language:English
Subjects:
displacement
nonlinear time history
pptiug 1983
story drift
vsl-gensui damper
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Summary:Buildings designed using older code should be checked against the higher demand required by newer code. In this study, performance of Building T of Petra Christian University, Surabaya, Indonesia, which was designed with older Indonesian Seismic Code (PPTGIUG 1983) is investigated. The effectiveness of VSL-Gensui Damper application is also investigated as an effort to enhance the performance of the building. Nonlinear time history analysis was conducted to analyze the building. Spectrum consistent ground acceleration generated from El Centro 18 May 1940 North-South component in accordance to current seismic code was used for analysis. The result shows that the existing building cannot resist the demand specified by current code (SNI 1726:2012) as some frame element failures are detected. The performance is greatly enhanced after installation of VSL-Gensui Dampers. Roof story drift and displacement decreased as much as 9% and 14%, respectively as compared to existing building, and structural element failures were no longer observed.
ISSN:1410-9530
1979-570X
DOI:10.9744/ced.20.2.86-90