beam to column welded connection with radius cut on beam flange is known as rigid connection that provides acceptable ductility for special moment resisting frame (smrf). in order to decrease the cost of construction and to provide an easy-to-construct structure, the new method is available for reducing the beam section based on drilling on beam flange , known as drilled flange connection (dfc)...

Abstract Currently, many buildings are constructed with precast concrete methods. However, they still use the cast in-situ method, especially for beam and column connection system where there some obstacles in casting process possibility of installing reinforcement bars on site not following design. Hence, is potential structural failure that part connection. To reduce constraints, it proposed ...

the basic strategy of reduce the ductility demand and related concentrated tensions at moment resistance connections is reduce the section of the beam at connected region to column. by this method plastic hinge done at the reduced cross section and this local reduction decreases the demand of the components of connection. on this basis, in present study a new beam-to-column moment connection wi...

This study aimed to investigate the precast reinforced concrete beam-to-column joints behaviors through replaceable damper under cyclic loading. The specimens have been embedded with steel reinforcement and specially shaped connectors. After application of loading, energy dissipation part has acted very well increased bearing capacity specimens. beam–to–column were designed analyzed compare (RC...

In this paper, a prestressed precast reinforced concrete (PC) beam–column connection incorporating posttensioned debonded partial tendons is introduced for PC frame structure. Compared with the conventional cast-in-place frames and many previously proposed connections frames, has advantage of self-centering low damage in strong earthquakes. addition, can reduce posttensioning demand further sit...

As widely known, connections performance under seismic loads can significantly affect the structural response of RC precast buildings. Within scientific community, an increasing number studies has been carried out on this topic, in light recent earthquake aftermaths all over Europe. Indeed, turned to be weakest part structures and their failure often provoked global collapse whole building. The...

This paper evaluates the effect of slot existence with limited length between flanges and web junction of I-shaped beams at the region of moment connections on vertical force and shear stress distribution in beam flanges and web at connection section in comparison with classical theory of stress distribution. The main purpose of this research is to evaluate the efficiency of the slot in connect...