Connection of Beam Flange to Concrete-Filled Tubular Columnby Ben Kato, Univ of Tokyo, Tokyo, Japan,
Mamoru Kimura, Univ of Tokyo, Tokyo, Japan,
Hidehiko Ohta, Univ of Tokyo, Tokyo, Japan,
Naoki Mizutani, Univ of Tokyo, Tokyo, Japan,
Abstract: Research has been carried out on a frame composed of a concrete-filled steel tubular column and H-shaped steel beam with the aim of developing a reasonable connection method. The proposed connection detail is to provide outer stiffening rings welded to the column tube wall at the beam flange level. The yield and ultimate strength of this connection were investigated experimentally and theoretically, and a design formula for this connection was proposed. Furthermore, the validity of this predicted connection strength was confirmed by carrying out a rigid-frame subassemblage test which simulates seismic loading.
Subject Headings: Steel columns | Connections (structural) | Concrete columns | Steel structures | Steel beams | Flanges | Structural strength | Concrete structures
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