Techno Press

Steel and Composite Structures   Volume 17, Number 5, November 2014, pages 735-751
Behavior of gusset plate-T0-CCFT connections with different configurations
M.M. Hassan, H.M. Ramadan, M. Naeem and S.A. Mourad

Abstract     [Full Text]
    Concrete-filled steel tube (CFT) composite columns, either circular (CCFT) or rectangular (RCFT), have many economical and aesthetic advantages but the behavior of their connections are complicated. This study aims to investigate, through an experimental program, the performance and behavior of different connections configurations between circular concrete filled steel tube columns (CCFT) and gusset plates subjected to shear and axial compression loadings. The study included seventeen connection subassemblies consisting of a fixed length steel tube and gusset plate connected to the tube end with different details tested under half cyclic loading. A notable effect was observed on the behavior of the connections due to its detailing changes with respect to capacity, failure mode, ductility, and stress distribution.
Key Words
    concrete filled tube (CFT) columns; connections; ductility; strength; connection detailing
(1) M.M. Hassan, H.M. Ramadan, S.A. Mourad:
Faculty of Engineering (Steel Department), Cairo University, Cairo, Egypt;
(2) M. Naeem:
Faculty of Engineering (Structural Department), Cairo University, Cairo, Egypt.

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