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Breathing-induced fatigue in thin-walled construction
- 1.0424990 - ÚTAM 2014 RIV NL eng C - Conference Paper (international conference)
Škaloud, Miroslav - Zörnerová, Marie - Urushadze, Shota
Breathing-induced fatigue in thin-walled construction.
Procedia Engineering. Vol. 66. Amsterdam: Elsevier, 2013 - (Afzali, M.; Lefebvre, F.), s. 383-392. ISSN 1877-7058.
[Fatique Design 2013. International conference on fatique design. Senlis (FR), 27.11.2013-28.11.2013]
Grant - others:Evropská komise(XE) RFSR-CT-2008-00033 BRIFAG
Institutional support: RVO:68378297
Keywords : slender webs * fatigue limit states * buckling * breathing
Subject RIV: JM - Building Engineering
http://www.sciencedirect.com/science/article/pii/S1877705813019255
The cumulative damage behaviour generated by web breathing was analysed, the process of the initiation and propagation of fatigue cracks induced thereby was studied, and their impact on the failure mechanism and the fatigue limit state of the girders was determined. It was found out that the above phenomenon led to a significant "erosion" of the beneficial post-buckled reserve of strength. Therefore, S-N curves were established for (i) the fatigue limit state and (ii) the onset-of-the-first-fatigue-crack limit state, specifying those periods after which checks for the appearance of fatigue cracks in bridge plate elements need to be carried out.
Permanent Link: http://hdl.handle.net/11104/0232271
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Number of the records: 1