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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: Fatigue Tests of Spliced Reinforcement in Concrete Beams
Author(s): E. W. Bennett
Publication: Special Publication
Appears on pages(s): 177-194
Keywords: beams (supports); cracking (fracturing); fatigue tests;
-(forces); reinforced concrete; reinforcing stemsplicing.
Abstract:An account is given of eight fatigue tests on rein-orce concrete beams incorporating two types of mechanical splice, namely a single cold-forged sleeve and a screwed coupler connecting two cold-forged sleeves. The tests enabled the limiting range of bar stress to be found approximately, and the deflection and width of cracks were satisfactory under this range provided that the screwed coupler was fitted with a lock nut. In a comparative test, a beam with conventional splices consisting of straight lapped bars withstood the same fatigue stress as the cold-forged splices, but with increased deflection and maximum crack width. A second beam in which the lapped bars were cranked failed at a lower stress by fatigue fracture at one of the bends.
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