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Abstract: Concrete structures are increasingly affected by fatigue damage, while new slender building structures with greater mechanical requirements make it necessary to deepen knowledge of their behaviour under fatigue loading. In this research, high-strength plain concrete was studied under two different frequencies of cyclic compressive stress. Wöhler curves were obtained in two different ways, on the one hand, applying a uniform frequency of 10 Hz and, on the other hand, applying the specimen resonance frequency. The results show two different types of behaviour. A reduction in fatigue life was observed in those concretes tested at very high frequency. When loads were applied at resonance frequency, they did not seem to modify the breaking mechanisms of the concrete subjected to fatigue.
Fuente: Journal of Building Engineering 2021, 35, 102057
Fecha de publicación: 01/03/2021
Nº de páginas: 15
Tipo de publicación: Artículo de Revista
Url de la publicación: https://doi.org/10.1016/j.jobe.2020.102057
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CARLOS THOMAS GARCIA
JOSE ADOLFO SAINZ-AJA GUERRA
JESUS SETIEN MARQUINEZ
ANA ISABEL CIMENTADA HERNANDEZ
JUAN ANTONIO POLANCO MADRAZO