Damage evolution and failure characteristics of red sandstone with prefabricated crack under coupled dry–wet cycle-fatigue loading
International Journal of Fatigue(2023)
Abstract
•The red sandstone is tested under coupled dry–wet cycle-fatigue loading tests.•Coupling damage is determined based on Lemaitre strain equivalence hypothesis.•The damage characteristics are discussed with the help of DIC technology.
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Key words
Dry-wet cycle,Fatigue load,Damage evolution,Crack propagation,Failure mode
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