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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: Plastic Flow (Creep*) of Reinforced Concrete
Author(s): G. W. Washa and P. G. Fluck
Publication: Journal Proceedings
Appears on pages(s): 549-561
Keywords: no keywords
Abstract:Previous investigations have provided information about plastic flow behavior of single-span reinforced concrete beams, and have shown the beneficial effect of compressive reinforcement in reducing plastic flow. This paper presents the results of 2 1/2 years of loading of two-span beams resting on three level supports. Eighteen beams were tested, representing three different conditions of reinforcement in rach of three beam sizes. Inclusion of arbitrary amounts of compressive steel in positive moment regions or two-span continuous beams is effective in reducing plastic flow deflection. Specifically, inclusion of compressive steel equal in amount to the tensile steel reduced plastic flow deflection by about one-third. Plastic flow in positive moment regions of each beam was accompanied by an increase in the midlength reaction and a corresponding increase in midlength bending moment.
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