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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Design for Rectangular Reinforced Concrete
Members Subjected to Torsional Stresses
Author(s): Michael K. Phang and David T. Biggs
Publication: Journal Proceedings
Appears on pages(s): 634-637
Keywords: beams (supports); rectangular beams; reinforced concrete; reinforcing steels; shear stress; stirrups; stresses; structural design; torsion.
Abstract:Provides design charts for typical rectangular reinforced concrete members subjected to combined torsion and shear, as outlined in Chapter 11 of ACI 318-71. It gives the designer an aid in,selecting a cross section with required longitudinal reinforcements and stirrups to resist the ultimate design torque and shear. The charts are provided for four rectangular beams of 8 x 12 in., 10 x 15 in., 12 x 18 in., and 14 x 21 in. Yield strengths of reinforcement are 40,000 and 60,000 psi, while 3000 and 4000 psi concrete strengths are considered. The illustrated design example has been worked out to show the use of charts.
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