Seismic Design of Steel Beam-to-Box Column Connectionsby K. C. Tsai, Natl Taiwan Univ, Taipei, Taiwan,
Egor P. Popov, Natl Taiwan Univ, Taipei, Taiwan,
Abstract: This paper is a study of the ductility requirements of steel beam-to-box column connections using the bolted beam web and welded beam flange details. Since the beam moment at the connection is transmitted primarily through the beam flanges due to the rigidity of the column diaphragm plate, the ultimate moment capacity, ZFFu, of the beam flange alone, should exceed the strain-hardened beam moment, αZFy, in order to assure the needed strength and ductility. Based on a combined analytical and experimental study, an α value of 1.2 is found suitable for the design of steel beam-column connections intended for severe seismic service.
Subject Headings: Steel beams | Seismic design | Steel columns | Steel structures | Beam columns | Connections (structural) | Concrete structures | Earthquake resistant structures
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