AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
Structures
EFFECTS OF RETROFIT BY USING OIL DAMPERS IN HIGH-RISE BUILDING SUBJECTED TO LONG-PERIOD GROUND MOTIONS
Daiki SATOTakuya NAGAEHaruyuki KITAMURAKoichi KAJIWARA
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JOURNAL FREE ACCESS

2018 Volume 24 Issue 58 Pages 969-974

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Abstract

A series of shaking table tests by using E-defense on a high-rise building are conducted in order to assess effects of retrofit by using oil dampers. The specimen consists of a four-story steel frame and an upper substitute layers made of concrete slabs and rubber bearings. Oil dampers are installed to the steel frame. Long-period ground motions and a design ground motion are used for the tests. Total input energies of the specimen and absorbed energy are estimated. The deformations of specimen are reduced especially in the portion having dampers. In the moment frame, the energy is mostly dissipated in oil dampers.

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© 2018, Architectural Institute of Japan
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