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This is a Cohort Study study (also classified as: Experimental Study).

September 16, 2025BuildingsOpen Access

The Deterioration of Low-Cycle Fatigue Properties and the Fatigue Life Model of Reinforcing Steel Bars Subjected to Corrosion

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Corrosion significantly reduces the low-cycle fatigue life of HRB400 bars under various strain amplitudes.
At a strain amplitude of ±1.5%, 20 mm bars experienced a 60.7% reduction in cycles to failure due to corrosion.
A unified predictive model for low-cycle fatigue considers factors like seismic action and corrosion damage.
The findings enhance understanding of the fatigue behavior of reinforcing bars in corrosive environments and aging structures.

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This research investigates low-cycle fatigue properties and predictive models for HRB400 bars under corrosion and seismic action.

Chen et al. (2025) studied this question.

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