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- W1999325723 abstract "ABSTRACT : CFT structures require a diaphragm to prevent buckling of ste el at connections. An outer diaphragm has better concrete filling than a through diaphragm due to a large bore, but due to the larger size than the through diaphragm, it has poorer constructability and cooperation with building equipment . The building structure has a floor slab that was unified with the upper diaphragm, so the outer diaphragm was placed at the u pper bound. Moreover, the through diaphragmwas placed at the lower connection to avoid obstruction of the building equip ment . The CFT structure with the improved concrete filling showed the same structural behavior as the CFT structure with the use of the same type of diaphragms at the upper and lower connections.KEYWORDS : square CFT, beam-to-column connection, diaphragm, concrete fill ing, FEM 1. 서 론 건축물의 고층화 및 대형화에 따라 건축구조물에는 보다 높은 강성, 경량, 시공의 용이성, 공기단축 등이 요구된다. 이에 따라 여러 가지 구조방식 중 콘크리트충전 강관(Concrete Filled Tube, 이하 CFT)과 같은 합성구조의 연구가 활발하게 진행되었다. CFT구조는 강관이 콘크리트를 구속하여 압축내력을 증가시키며, 콘크리트는 강관의 국부좌굴을 감소시켜 단면의 증가 없이 내력을 크게 증가시킬 수 있다" @default.
- W1999325723 created "2016-06-24" @default.
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- W1999325723 date "2013-04-27" @default.
- W1999325723 modified "2023-09-24" @default.
- W1999325723 title "Structural Characteristic of Beam-to-Column Connections in Rectangular CFT Structures Considering Concrete Filling" @default.
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- W1999325723 doi "https://doi.org/10.7781/kjoss.2013.25.2.187" @default.
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