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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: Punching Capacity of Prestressed Concrete Bridge Decks Under Fatigue
Author(s): Eva O. L. Lantsoght, Cor van der Veen, Rutger Koekkoek, and Henk Sliedrecht
Publication: Structural Journal
Appears on pages(s): 209-218
Keywords: bridge evaluation; compressive membrane action; concrete bridges; fatigue; fatigue testing; laboratory testing; prestressed concrete; punching shear
Abstract:Previous research showed that the capacity of existing slab-between-girder bridges is larger than expected based on the punching shear capacity prescribed by the governing codes, as a result of compressive membrane action. A first series of fatigue tests confirmed that compressive membrane action also acts under cycles of loading. However, a single experiment, in which first a number of cycles with a higher load level and then with a lower load level were applied, seemed to indicate that this loading sequence shortens the fatigue life. This topic was further investigated in a second series of fatigue tests with three static tests and 10 fatigue tests. The parameters that were varied were the sequence of loading and the effect of a single or a double wheel print. The results show that the sequence of load levels does not influence the fatigue life.
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