Table 2 Test scheme and specimen parameters.
Peer group | Size of backfill (Outer diameter*inner diameter*height/mm) | Size of rock (Outer diameter* height/mm) | Specimen size (Outer diameter* height/mm) |
|---|---|---|---|
A | 50*0*100 | / | 50*100 |
B | / | 50*10 | 50*100 |
C | 50*25*100 | 25*100 | 50*100 |
