الفهرس 
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Abstract
In a Seismic Force Resisting System (SFRS), beam-column joints are crucial structural elements. Failure of these elements may lead to total collapse of a structure. Recent earthquakes have demonstrated that structural systems designed based on current codes of practice are vulnerable to severe damages, mostly due to undesirable performance of joints. In general, design codes do not consider the effects of joint characteristics on the behavior of the structure and treat joints as members which remain elastic during an earthquake. To thoroughly understand the effects of different design parameters on the behavior of beam-column connections in reinforced concrete (RC) structures and consequently on the overall performance of (SFRS), a wide range of experiments must be carried out. But prior to a successful setup and conducting any experiments, a theoretical study and numerical simulation is essential. Therefore, having some reliable finite element (F.E.) models at our disposal plays a significant role in the field of experimental and theoretical research. Therefore, it is necessary to study the behavior of RC beam-column joints subjected to seismic forces using a finite element (F.E.) model for RC beam-column connections in the simulation environment provided by ANSYS, then investigate the performance of beam-column joint.