Abstract
Multi-storey reinforced concrete frames that were built prior to the 1970's generally do not meet current seismic design code requirements. The lateral load carrying capacity of these structures is often insufficient due to non-ductile reinforcement detailing, which includes either insufficient or no beam-column joint transverse reinforcement. It was observed during recent earthquakes that deficient beam-column joints can jeopardise the integrity of entire structures. Thus, several beam-column joint rehabilitation techniques have emerged to upgrade such substandard joints. It is essential to evaluate the standings of joints rehabilitated with such techniques based on current design code requirements.
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