Recent Studies on Reinforced Concrete Beam-Column Joints in Japan

An outline of recent studies in Japan on reinforced concrete beam-column joints is presented. The background to the studies is introduced and Japanese design approaches for the joints are described. A number of Japanese studies were conducted under the U.S.-New Zealand-Japan-China Cooperative Project on Design of Reinforced Concrete Beam-Column Joints and are described in detail. Other research which has been reported in the Japanese literature is presented. The report contains a design example for an interior joint. A description of concrete and reinforcement commonly used in Japan is provided.