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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: Componets of Creep in Mature Concrete
Author(s): J. M. lllston
Publication: Journal Proceedings
Appears on pages(s): 219-227
Keywords: beams (structural);bending;continious beams;flexural strength;reinforced concrete;shear;stirrups;stresses;torsion.
Abstract:Tests are reported on the creep and recovery of concrete under uniaxial compression and tension, applied at ad-vanced ages of over a year. The characteristics of the creep components (irrecoverable or flow, recoverable or delayed elastic) for young and mature concrete are compared, and found to be in reasonable agreement. The rate of flow method (based on the two components) for calculating strain under variable stress is discussed. In particular, it is compared favorably with super-position.
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