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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: Probable Fatigue Life Plain Concrete with Stress Gradient
Author(s): F. S. Opie, Jr. a n d C . L. Hulsbos
Publication: Journal Proceedings
Appears on pages(s): 59-82
Keywords: beam;compressive stress gradient;cyclic load;failure;fatigue life;plain concrete;research;stress-strain curve.
Abstract:The work described in this paper is part of a research investigation into the fatigue life of prestressed concrete flexural members where crushing of the concrete compression block precedes the fracture of the tension steel reinforcement. The results of constant load cycle tests conducted on plain concrete specimens to study the effect of compressive stress gradient on fatigue life are presented and discussed. Application of the results of the study for estimating beam fatigue life as limited by fatigue failure of the concrete in compression is briefly discussed. An approximate design I check against the possibility of concrete failure in beams subjected to repeated flexural loads is formulated for a specified fatigue life N = 2,000,OOO cycles and probability "design limit" P < 0.00001.
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