Experimental Study on behavior of Interior RC Beam Column Joints Subjected to Cyclic Loading

Beam columnjoint is an important component of a reinforced concrete moment resisting frame and should be designed and detailed properly, especially when the frame is subjected to earthquake loading. Failure of beam column joints during earthquake is governed by bond and shear failure mechanism which are brittle in nature. Therefore, a current international code gives high importance to provide adequate anchorage to longitudinal bars and confinement of core concrete in resisting shear. Modern codes provide for reduction of seismic forces through provision of special ductility requirements. Details for achieving ductility in reinforced concrete structures are given in IS 13920. A two bay five storey reinforcement cement concrete moment resisting frame for a general building has been analyses and designed in STAAD Pro as per IS 18932002 code procedures and detailed as IS 139201993 recommendations. A beam column joint has beenmodeled to a scale of 1/5^thfrom the prototype and the model has been subjected to cyclic loading to find its behavior during earthquake. Non linear analysis is carried out in ANSYS software.