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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: Slab Continuity Effect on Ultimate and Fatigue Strength of Reinforced Concrete bridge deck models
Author(s): P. C. Pedikaris, S. R. Beim and S. N. Bousias
Publication: Structural Journal
Appears on pages(s): 483-491
Keywords: bridge decks; concrete slabs; continuity (structural); cracking (fracturing); deep beams; cyclic loads; failure mechanisms; fatigue (materials); flexural strength; isotropy; models; moving loads; orthotropism; punching shear; reinforced concrete; reinforc
Abstract:A series of direct model tests (1/3 and 1/6.6 scale) were conducted under static, fixed pulsating and moving wheel-load to study the effect of deck continuity and reinforcing pattern on the ultimate end fatigue strength of concrete bridge deck slabs supported on steel girders. The failure mode and cracking pattern are identified, and the measured stiffness and steel strain values are discussed. Conclusions regarding the completely different effect of the fixed pulsating load versus that of the moving load, as well as the safety factors at various critical load stages that are drawn, form the basis for recommendations toward improved design criteria for concrete bridge decks.
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