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Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
Experimental Study on Tubular Seismic Dampers under Shear Load
Yoshiya TANIGUCHIMasanori FUJITAToshitsugu SAKAAkira WADA
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2001 Volume 8 Issue 31 Pages 119-128

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Abstract

A new type of hysteretic dampers is presented to be used for spatial structures. The new hysteretic damper is a short steel tubular member that is subjected to shear forces and not any axial force. The new damper is able to resist against horizon tal seismic loads of any direction. The hysteresis curves of dampers are experimentally investigated. As a result, it was made clear that the hysteretic curve is a slip type and the initial rigidity is dependent on the length of panel zone. The ultimate strength can be estimated with the maximum value of shear stress in considering the tubular damper as a thin wail cylinder. Furthermore, the dampers can be easily replaced after damaged.

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© Japanese Society of Steel Construction
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