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Steel and Composite Structures
  Volume 7, Number 4, August 2007, pages 303-320

An evaluation equation of load capacities for CFT square column-to-beam connections with combined diaphragm
Sung-Mo Choi,Do-Sub Jung, Dae-Joong Kim and Jin-Ho Kim

    The objective of this study is to clarify the structural features of members consisting of connection, as a series of the previous study on the CFT column-to-beam tensile connection with combined cross diaphragm. This connection has the merits that the stress is distributed evenly on the beam flange and the diaphragm and the stress concentration is reduced, by improving the stress transfer route and restraining abrupt deformation of diaphragm. The finite element analysis was performed to find out the stress transfer through sleeve which is an important member of the connection with combined cross diaphragm. The length and thickness of sleeve were used as variables for the analysis. As the analysis results, the length and thickness of sleeve didn
Key Words
    concrete filled steel tube; combined cross diaphragm; sleeve; FEM; ANSYS.
Sung-Mo Choi and Do-Sub Jung; Department of Architectural Engineering, University of Seoul, Seoul, Korea
Dae-Joong Kim; Engineering & Construction Department of Samsung Corporation, Sungnam-Si, Kyungkido, Korea
Jin-Ho Kim; Research Institute of Indurstrial Science & Technology Steel Structure Research Laboratory,
Kyungkido, 445-813, Korea

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