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Online ISSN : 1884-0329
Print ISSN : 1880-9928
A STUDY ON THE BRRP SEISMIC DAMPER-SUITABLE FORM OF RIPPLED CORE PLATES AND DYNAMIC PERFORMANCE
Shinsuke YAMAZAKITadayuki NORONobuaki SAKURAITsutomu USAMI
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2015 Volume 22 Issue 87 Pages 87_33-87_46

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Abstract

New Seismic dampers named Buckling-Restrained Rippled Plate (BRRP) dampers have been developed. BRRP is similar in shape to BRB (Buckling-Restrained Brace,or, Un-bonded Brace), but its core member is a 2D rippled plate instead of a 1D narrow flat plate. Firstly, to acquire the fundamental knowledge of the performance of BRRP, a parametric study regarding the curvature of rippled plate is made by a combined geometric and material nonlinear analysis. Secondly, static cyclic loading tests are performed to investigate the elasto-plastic cyclic loading behavior of BRRPs. Furthermore, dynamic cyclic loading tests are also conducted to examine the dynamic performance and the durability of BRRPs.

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© 2015 Japanese Society of Steel Construction
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