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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: T-Beams Under Combined Bending, Shear, and Torsion
Author(s): Larry E. Farmer and Phil M. Ferguson
Publication: Journal Proceedings
Appears on pages(s): 757-766
Keywords: beams (structural);bending;cracking (fracturing);reinforced concrete; research; shear;stiffness;stresses;T-beams;torsion;ultimate strength method (structural)
Abstract:Test results of 26 semicontinuous reinforced concrete T-beams without web reinforcement under combined bending, shear, and torsion are reported. M/Vd ratios of 1.5, 3, and 6 were investigated, with the torsion segment 3d, 6d, and 12d long. All but four beams were over-reinforced to permit the primary study of shear and torsion interaction. The effect of torsional cross-sectional warping was investigated. Span length and cross-sectional warping were not found to influ-ence the behavior greatly. Torsion lowered beam shear strength much less than ordinary plastic theory would suggest.
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