Abstract Among the retrofitting techniques available, steel braces can be considered as one of the most efficient solution for seismic performance upgrading of RC frame structures. Added Damping and Stiffness (ADAS) elements are designed to dissipate energy thought the flexural yielding deformation of mild-steel plates. The current paper deals with the response ductility and the modification factors (R) of bare RC frames, RC frames with chevron steel braces, and RC frames with steel slit dampers (SSD). For this purpose three RC frames of 8, 12 and 20 stories were analyzed without considering the existence of dampers, then each frame equipped with a SSD was studied. A nonlinear pushover analysis was performed. The results show that the response modification factors of RC frames equipped with steel slit dampers is higher than the other systems. Also the effect of height of frame on the response modification factor was investigated.


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    Title :

    Evaluating response modification factor (R) of reinforced concrete frames with chevron brace equipped with steel slit damper


    Contributors:

    Published in:

    Publication date :

    2016-09-12


    Size :

    7 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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