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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: Bending - An Examination of Assumptions
Author(s): E. F. P. Burnett
Publication: Journal Proceedings
Appears on pages(s): 105-107
Keywords: beams (supports) ; bending; deformation; ductility; failure mechanisms: flexural strength: reinforced concrete; reinforcing steels; shear strength: spans; structural analysis; structural design; tensile strength; ties (reinforcement).
Abstract:Two series of seven simply supported, mid-span loaded, reinforced concrete, rectangular beams were tested. Within each series the primary variable was span length, the only difference between each series being tie spacing. Experimental results are evaluated in terms of pre-yield response and post-yield strength and inelastic ductility. The interdependent nature of flexure, shear, and strut action is demonstrated, and a criterion for nonflexural behavior is proposed. The influence of shear-span or moment shear ratio, and tie spacing are evaluated with particular emphasis on both pre-and post-yield deformation. Some of the behavioral implications of the use of high-tensile strain hardening reinforcement are discussed.
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