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Fatigue of reinforced concrete bridges with influence of deterioration of concrete



Title: Fatigue of reinforced concrete bridges with influence of deterioration of concrete
Author(s): J. Sýkorová, M. Foglar, P. Stemberk
Paper category : conference
Book title: International Conference on Microstructure Related Durability of Cementitious Composites
Editor(s): W. Sun, K. van Breugel, C. Miao, G. Ye and H. Chen
Print-ISBN: 978-2-35158-065-3
e-ISBN: 978-2-35158-084-4
Publisher: RILEM Publications
Publication year: 2008
Pages: 825 - 832
Total Pages: 8
Nb references: 5
Language: English


Abstract: Fatigue is a process of permanent progressive changes in the structure of a material exposed to cyclic loading. High stress ranges in these structures can cause crack propagation, consequently reduce stiffness and can lead to fatigue failure. Also, exposing the material to aggressive environment can result in material deterioration, which accelerates the decrease of fatigue performance of the construction.
The prediction of deflections, and thus serviceability, of concrete bridges subjected to cyclic loading can be calculated by using a fatigue damage function. This function expresses reduced structural stiffness by decreasing of the modulus of elasticity depending on the number of load cycles. In this paper, an application of this function is shown in an illustrative example of a small concrete bridge.


Online publication: 2009-06-09
Publication type : full_text
Public price (Euros): 0.00