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Open AccessArticle

Fatigue Assessment of Prestressed Concrete Slab-Between-Girder Bridges

1
Politécnico, Universidad San Francisco de Quito, Quito 17015EC, Ecuador
2
Concrete Structures, Delft University of Technology, 2628 CN Delft, The Netherlands
3
BAM Infraconsult, 2801 SC Gouda, The Netherlands
4
Rijkswaterstaat, Ministry of Infrastructure and the Environment, 3526 LA Utrecht, The Netherlands
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(11), 2312; https://doi.org/10.3390/app9112312
Received: 25 April 2019 / Revised: 27 May 2019 / Accepted: 1 June 2019 / Published: 5 June 2019
(This article belongs to the Special Issue Fatigue and Fracture of Non-metallic Materials and Structures)
In the Netherlands, the assessment of existing prestressed concrete slab-between-girder bridges has revealed that the thin, transversely prestressed slabs may be critical for static and fatigue punching when evaluated using the recently introduced Eurocodes. On the other hand, compressive membrane action increases the capacity of these slabs, and it changes the failure mode from bending to punching shear. To improve the assessment of the existing prestressed slab-between-girder bridges in the Netherlands, two 1:2 scale models of an existing bridge, i.e., the Van Brienenoord Bridge, were built in the laboratory and tested monotonically, as well as under cycles of loading. The result of these experiments revealed: (1) the static strength of the decks, which showed that compressive membrane action significantly enhanced the punching capacity, and (2) the Wöhler curve of the decks, showed that the compressive membrane action remains under fatigue loading. The experimental results could then be used in the assessment of the most critical existing slab-between-girder bridges. The outcome was that the bridge had sufficient punching capacity for static and fatigue loads and, therefore, the existing slab-between-girder bridges in the Netherlands fulfilled the code requirements for static and fatigue punching. View Full-Text
Keywords: assessment; bridge evaluation; compressive membrane action; concrete bridges; fatigue; fatigue assessment; live loads; prestressed concrete; punching shear; scale model assessment; bridge evaluation; compressive membrane action; concrete bridges; fatigue; fatigue assessment; live loads; prestressed concrete; punching shear; scale model
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MDPI and ACS Style

Lantsoght, E.O.; Koekkoek, R.; van der Veen, C.; Sliedrecht, H. Fatigue Assessment of Prestressed Concrete Slab-Between-Girder Bridges. Appl. Sci. 2019, 9, 2312.

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