New Steel Beam to Composite Column Connection Detail

by Atorod Azizinamini, Univ of Nebraska, Lincoln, United States,
Bangalore Prakash, Univ of Nebraska, Lincoln, United States,
Bashkim Prishtina, Univ of Nebraska, Lincoln, United States,
David C. Salmon, Univ of Nebraska, Lincoln, United States,

Document Type: Proceeding Paper

Part of: Composite Construction in Steel and Concrete II


Composite columns consisting of hollow steel tubes filled with high strength concrete with compressive strength exceeding 10000 psi (69 MPa) are being used in high-rise buildings. Connecting steel beams to these columns at each floor level has attracted attention. The relatively thin plate thickness of the steel tube prohibits connecting steel beams directly to the tube, especially in seismic areas. The focus of this project is to develop a new connection detail for connecting steel beams to composite columns. After envisioning various possible connection details, a through column connection detail is suggested. A combination of analytical and experimental investigations was used to identify the force transfer mechanism and to study the role of different connection components in resisting joint forces.

Subject Headings: Steel beams | Steel columns | Composite beams | Beam columns | Composite columns | Steel structures | Structural analysis | Concrete structures

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