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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: Strength of Rectangular Prestressed Concrete Beams in Combined Torsion, Bending and Shear
Author(s): B. Vijaya Rangan and A. S. Hall
Publication: Journal Proceedings
Appears on pages(s): 270-278
Keywords: beams (supports) : bending; compression: failure: prestressed concrete; rectangular beams; reinforcing steels; shear properties: stirrups: strength; structural analysis; structural design; torsion.
Abstract:This paper presents the development of a theory for bonded prestressed concrete rectangular beams subjected to combined torsion, bending and shear. The analysis is similar to the one proposed by Collins et al for reinforced concrete beams. Strength equations are derived for Mode I, 2 and 3 failures. An empirical equation is developed for the case of shear-compression mode of failure. The predictions of the theory are compared with over one hundred test results available in the literature. In general the agreement is good. The strength was not over-estimated for any of the test beams.
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