헤드철근을 사용한 보-기둥 접합부의 인발성능평가
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In Rc structre, sufficient anchorage of reinforcement is necessary for the member to produce the full strength. In the case of beam-column joints, the problems of overcrowded rebar arrangement and lowered compaction of concrete can occur often due to the development of rebar, so it is required to study those problems. This research aims at verifying the performance requirements of the equipment for rebar development at the beam-column joints by using a head rebar method, one of the mechanical construction methods, and identifying functions of head rebar through a pull-out test. Headed steel in the shape of main rebar at the girder-column joint and test value in the shape of hook show similarity.