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얇은 강판을 이용한 냉간성형 각형 CFT 기둥의 플레어 용접 목두께 결정을 위한 해석적 연구
우성열(Woo Seong-Yeol),이성희(Lee Sung-Hui),염경수(Yem Kung-Su),백일현(Baek Il-Hyun),최성모(Choi Sung-Mo) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
Generally, There are three manufacturing process for concrete filled tubular square column. one is box type process by 4-seam welding in edge of column, another is cold-forming process by 2-seam welding in center. Accordingly, the other is pressing process by pressing circular column, It is very important to select of welding process and welding thickness for economical efficiency. Newly developed thin walled cold-formed concrete filled tubular square column are manufactured by flare welding at center of column width for cold formed ㄱ shape plates of 4 piece. In this study, we suggested the method to evaluate welding Quantity of concrete filled steel tubular column and calculated welding thickness for six specimens by studied structural test and finite element analysis method with parameters of production process, plates thickness and welding thickness of steel square column.