Biaxial Bending Tests with or without Torsionby Zia Razzaq, (M.ASCE), Asst. Prof.; Dept. of Civ. Engrg., Univ. of Notre Dame, Notre Dame, Ind.,
Theodore V. Galambos, (F.ASCE), Prof.; Dept. of Civ. Engrg., Washington Univ., St. Louis, Mo.,
Serial Information: Journal of the Structural Division, 1979, Vol. 105, Issue 11, Pg. 2163-2185
Document Type: Journal Paper
The results of an elastic and inelastic experimental study of biaxially loaded thin-walled mild steel beams with or without torsion have been presented. Laboratory tests conducted on 24 I-section beams with different lengths, cross-sectional orientations, and loading arrangements show good agreement with the theory presented previously by the writers. It is found that for a biaxially loaded beam with or without torsion, the load-carrying capacity about a stronger axis may be quite sensitive to the magnitude of loads applied or induced about the orthogonal weak axis. Also, the presence of a torque may reduce dramatically the bending moment capacity of a biaxially loaded beam.
Subject Headings: Biaxial loads | Torsion | Load bearing capacity | Biaxial strength | Bending (structural) | Steel beams | Load tests | Elastic analysis | Inelasticity | Laboratory tests
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