Abstract
This study proposed a concrete fatigue life prediction method based on energy dissipation analysis. The fatigue life is estimated by dividing the total critical energy dissipation by the average energy dissipation per cycle. Based on a unified concrete damage model that can be applied to both monotonic and fatigue loading conditions, the total critical energy dissipation value under fatigue loading can be estimated by the stress-strain curve under monotonic loading. The average energy dissipation per cycle is obtained by calculating numerical samples with different strengths. Several numerical examples show that the proposed prediction model can rapidly estimate fatigue life under uniaxial loading with high efficiency and excellent precision.
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