Abstract
AbstractThe objective of this paper is to compare the experimental and analytical behavior of exterior beam–column joint sub-assemblages with transverse reinforcements detailed as per IS 456. Eight-storied reinforced concrete building located in Chennai (Zone III) has been modeled and analyzed in STADD Pro software. The earthquake analysis and design has been carried out as per IS 1893 and critical exterior beam–column joints were taken for study. A one-third scaled model, detailed as per IS 456 and SP 34 was taken for analyzing the effect of lateral force and axial load on the behavior of beam–column joints. A numerical study was carried for scaled model using the finite element software ABAQUS to study the real physical behavior of beam–column joint structure. A concrete damage plastic model is assigned for the finite element model in ABAQUS. Seismic type loading is applied at the end of the beam in order to develop moments at the beam–column joint region. The specimens are retrofitted with the addition of new concrete at the joint region and tested for its load-carrying capacity. KeywordsBeam–column jointRetrofittingForging slagStyrene–butadiene rubber and epoxy
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