(4) Based on AE characteristics, it was found that the AE ringing counts of binary system specimens under different freeze–thaw cycles showed a trend of first decreasing and then increasing during the initial freeze–thaw stage, with cumulative ringing counts first increasing, then decreasing, and then recovering.
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Shear Mechanical Properties and Damage Deterioration of Anchored Sandstone-Concrete Under Freeze-Thaw Cycles.
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