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Beam-column joint is considered a critical region in a structure when subjected to seismic loading. Past earthquakes have shown that many of these structures behaved poorly and exhibited a combination of brittle failure at the joint and pullout of the beam longitudinal rebar, leading to a rapid degradation of the joint and a precursor to a catastro...
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... this study, An existing five-story reinforced concrete building that was designed and built in Iran in the late 1970s has been considered for analysis, design and detailing of exterior beam column joint. (Figure 3). As with many building structures designed to codes created prior to the mid-1970s, the reinforcement is adequate for gravity and wind loads, but some of the details of the reinforcement are inadequate for earthquake forces if ductile behavior is required. ...
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