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Proceedings Paper

Analytical study of structural control with toggle mechanism for retrofiting existing R/C structures
Author(s): Masaharu Kubota; Shinji Ishimaru; Takahito Niiya; Mitsuo Nakagawa; Yasuo Maekawa
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Paper Abstract

The proposed toggle vibration controller is an excellent vibration-controlling device that efficiently absorbs seismic energy input into a building by amplifying small relative story displacements using a lever mechanism. And we tried to adopt the toggle mechanism as a lever mechanism. This is a brace-shaped passive response-controller installed in a column-beam frame of a building. It can minimize the response displacement and response acceleration by earthquakes, and is applicable independently of the type of construction, including steel-framed structures and reinforced concrete structures. The response-controlling effect is excellent for both newly built structures and seismic retrofit. This paper reports on seismic retrofit of existing reinforced concrete buildings using these devices.

Paper Details

Date Published: 18 May 1999
PDF: 10 pages
Proc. SPIE 3671, Smart Structures and Materials 1999: Smart Systems for Bridges, Structures, and Highways, (18 May 1999); doi: 10.1117/12.348678
Show Author Affiliations
Masaharu Kubota, Tobishima Corp. (Japan)
Shinji Ishimaru, Nihon Univ. (Japan)
Takahito Niiya, Nihon Univ. (Japan)
Mitsuo Nakagawa, Tobishima Corp. (Japan)
Yasuo Maekawa, Tobishima Corp. (Japan)


Published in SPIE Proceedings Vol. 3671:
Smart Structures and Materials 1999: Smart Systems for Bridges, Structures, and Highways
S.-C. Liu, Editor(s)

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