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Paper Information

Journal:   JOURNAL OF STRUCTURAL ENGINEERING AND GEOTECHNICS   WINTER 2012 , Volume 2 , Number 2; Page(s) 67 To 73.
 
Paper: 

EXPLORING THE EFFICIENCY OF DAMPERS FOR REPAIR AND STRENGTHENING OF EXISTING BUILDINGS

 
 
Author(s):  BARATI F., ESFANDIARI A.*
 
* AMIRKABIR UNIVERSITY OF TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 

In this paper, seismic behavior of the existing buildings equipped by friction dampers is studied. Seismic performance of6-story, 9-story and 12-story steel buildings with damper and without damper were studied. The finite element modeling technique (SAP2000 Software) is used for analysis. Time History analyzing was done to achieve this purpose. For nonlinear dynamic analysis, the responses of the structures to three earthquake records (Tabas, Naghan, and artificial waveform) were obtained. A series of analyses were made to determine the optimum slip load of the friction dampers to achieve minimum response. Also, in order to evaluate the performance of the friction dampers in asymmetric structures, an asymmetric structure was utilized. The obtained results show significant improvement of seismic behavior and efficiency of the friction damper for seismic retrofitting to these buildings.

 
Keyword(s): FRICTION DAMPER, SLIP LOAD, NONLINEAR DYNAMIC ANALYSIS, SEISMIC RETROFITTING, EXISTING BUILDING
 
References: 
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