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Numerical simulation of the seismic behavior of self-centering steel beam-column connections with bottom flange friction devices
Authors:Tong Guo  Lianglong Song  Guodong Zhang
Institution:Guo Tong,Song Lianglong and Zhang Guodong Key Laboratory of Concrete and Prestressed Concrete Structure,Ministry of Education,Southeast Univ.,Nanjing 210096,China
Abstract:A new type of steel moment resisting frame with bottom ? ange friction devices (BFFDs) has been developed to provide self-centering capacity and energy dissipation, and to reduce permanent deformations under earthquakes. This paper presents a numerical simulation of self-centering beam-column connections with BFFDs, in which the gap opening /closing at the beam-column interfaces is simulated by using pairs of zero-length elements with compression-only material properties, and the energy dissipation due to f...
Keywords:numerical simulation  post tensioned  self-centering  moment resisting steel frame  bottom flange friction device  bolt bearing  
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