Research Article

Acoustic Emission and Failure Modes for Coal-Rock Structure under Different Loading Rates

Table 1

Loading rate of each sample.

No.Loading rate (mm·min−1)Loading rate (mm·s−1)Strain rate (s−1)

10.0061E − 41E − 6
20.0122E − 42E − 6
30.035E − 45E − 6
40.047E − 47E − 6
50.061E − 31E − 5
60.122E − 32E − 5