• Developed a set of electrolytic accelerated corrosion test device and testing method for anchor bolts • Revealed the dynamic evolution corrosion mechanism of anchor bolt rust layer in mine water environment • 3)Proposed the correlation between corrosion damage and mechanical performance degradation of anchor bolts • 4)Compared and evaluated the long-term protective performance differences of various anti-corrosion coatings Mine water environment significantly induces corrosion damage in bolt s