Abstract
최근 초고층, 장스팬 건축물이 다수 설계됨에 따라 합성구조시스템에 대한 연구가 여러 분야에서 다양하게 진행되고 있다. 이에 본 연구에서는 단면의 효율을 극대화 시킨 신개념 하이브리드 합성보의 형상을 제안하고, 휨성능 및 내진성능을 평가하기 위해 실물대 크기의 휨 실험체 6개와 기둥-보 접합부 실험체 2개를 제작하여 단조가력 및 반복가력으로 실험을 진행하였다. 휨성능 실험결과 보 춤 및 강판 두께에 비례하여 안정적으로 내력이 증가하였으며, 공칭강도와 비교하여 충분한 최대내력이 확보되었다. 내진성능 실험결과 소성모멘트 이상으로 내력이 확보되었으며, 합성중간모멘트골조의 내진성능을 갖는 것으로 나타났다. Recently, high rise buildings and long span buildings are being constructed, studies on composite structure systems have been progressing in various fields. Therefore, this study suggested the new concept hybrid composite beam and performed the monotonic and cyclic tests to evaluate the bending and seismic performance of the new concept hybrid composite beam by creating 6 bending specimens and 2 beam-to-column connection specimens. The bending performance test results showed that the capacity of the beam was stably increased in proportion to the depth of beams and the thickness of steel plates. Also, enough maximum moment was secured compared to nominal moment. The seismic performance test results showed that the maximum moment is above the plastic moment and the connection is intermediate moment frame.
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