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http://dx.doi.org/10.5050/KSNVE.2011.21.3.234

Exact Solution for Resistance Capacity utilizing Bingham Model of MR Dampers under Collapse Load  

Seong, Ji-Young (단국대학교 대학원 건축공학과)
Min, Kyung-Won (단국대학교 건축대학 건축공학과)
Kim, Jin-Koo (성균관대학교 건축공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.21, no.3, 2011 , pp. 234-240 More about this Journal
Abstract
This study deals with progressive collapse of a structure retrofitted with MR dampers. In order to assess their effect of mitigation which prevents progressive collapse, control force ratio is defined by friction force of MR dampers divided by external force. First, simple model of a structure with MR dampers is suggested. Using the model, exact solution with the control force ratio is obtained. When and where the system is stopped is predicted by the derived solution. Through the dissipated energy by MR dampers during collapse event, equivalent damping ratio is derived. Finally, comparison of exact and equivalent solutions is presented.
Keywords
MR Damper; Progressive Collapse; Control Force Ratio; Exact Solution; Equivalent Damping Ratio;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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