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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: Ultimate Strength of Reinforced
Concrete Beams in Combined Torsion
Author(s): John P. Klus
Publication: Journal Proceedings
Appears on pages(s): 210-216
Keywords: air-entrained concretes;air entrainment;durablity;exposure conditions;freeze-thaw durablity;freezing;mortars (material);saturation;testing;water-cement ratio.
Abstract:Classical theory shows that both torsion and flexural shear have the same point of maximum stress for rectangu-lar sections. However, the stress distribution throughout the test of the cross section varies significantly. A series of rectangular reinforced concrete beams with normal percent-ages of both longitudinal and transverse steel was tested and the interaction of their torsional and flexural shear capacities was developed. The effects of bending and amount of reinforcement are discussed. Various interaction formulas are compared.
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