Composite Beams in Torsion

by Conrad P. Heins, Jr., Assoc. Prof.; Dept. of Civ. Engrg., Univ. of Maryland, College Park, MD,
John T. C. Kuo, Grad. Res. Asst.; Univ. of Maryland, College Park, MD,


Serial Information: Journal of the Structural Division, 1972, Vol. 98, Issue 5, Pg. 1105-1117


Document Type: Journal Paper

Abstract:

The experimental behavior of four 12 WF 27 sections in composite action with a reinforced concrete slab (2 in., 3 in., 4 in., 6 in. thick) by 36.0 in. wide, subjected to only an end torque is presented. The beams were tested with end supports pinned-pinned and fixed-pinned. The experimental data yielded torsional constants K_T, I_w, rotations and strains. These results were then compared to the thin walled beam theory yielding good correlation. Approximate equations for evaluation of the torsional parameters are also presented.

Subject Headings: Composite beams | Torsion | Reinforced concrete | Beams | Structural behavior | Composite materials | Concrete slabs | Rotation

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