Research Article
Acoustic Emission Characteristics and Damage Evolution of Sandstone with Different Pores under External Load
Figure 7
RA-AF distribution of AE signal timing parameters. (a) QSYX. (b) QSYZ. (c) FSYX. (d) FSYZ.
| (a) |
| (b) |
| (c) |
| (d) |
| (a) |
| (b) |
| (c) |
| (d) |