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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: Post-Cracking Torsional Rigidity of Reinforced Concrete Sections
Author(s): Thomas T. C. Hsu
Publication: Journal Proceedings
Volume: 70
Issue: 5
Appears on pages(s): 352-360
Keywords: beams (supports) ; cracking (fracturing) ; reinforced concrete; shear modulus; torsion; stiffness; structural analysis; structuraI design.
Date: 5/1/1973
Abstract:In statically indeterminate structures torsional moments can be determined only if the torsional stiffness of reinforced concrete members are known. This paper presents a theory for post-cracking torsional rigidity, which is developed using a new concept of post-cracking shear modulus. This new concept renders the theory generally applicable to arbitrary cross sections as well as simplifies the derivation of post-cracking torsional rigidity.
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