A plain linear rule for fatigue analysis under natural loading considering the coupled fatigue and corrosion effect
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2019-05
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Abstract
Fatigue under variable amplitude loading is currently assessed by applying the Palmgren-Miner linear rule in structural standards. However, this linear rule is inadequate in natural scenarios with coupled fatigue and corrosion effects, because the coupled corrosion-fatigue process synergistically accelerates deterioration. In view of the absence of specifications for the coupled fatigue-corrosion effect in structural standards, the objective here is to develop a simple and practical correction factor that will ensure a conservative linear summation of damage, taking the corrosion-fatigue effect into account. The theoretical consistency and the feasibility of the new adapted rule are tested in a case study.
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Publisher Copyright: © 2019 Elsevier Ltd
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Corrosion fatigue , Corrosion pushing factor , Reinforced concrete structures , Corrosion fatigue , Corrosion pushing factor , Reinforced concrete structures , Modeling and Simulation , General Materials Science , Mechanics of Materials , Mechanical Engineering , Industrial and Manufacturing Engineering
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Calderon-Uriszar-Aldaca , I , Briz , E , Biezma , M V & Puente , I 2019 , ' A plain linear rule for fatigue analysis under natural loading considering the coupled fatigue and corrosion effect ' , International Journal of Fatigue , vol. 122 , pp. 141-151 . https://doi.org/10.1016/j.ijfatigue.2019.01.008