Research Article
The Spatiotemporal Characteristics of Coupling Effect between Roof and Backfill Body in Dense Backfill Mining
Figure 9
Stress variation diagram of representative measuring points.
| (a) Measuring points R1 and ct2 |
| (b) Measuring points R3 and ct4 |
| (c) Measuring points R5 and ct6 |
| (d) Measuring points R7 and ct8 |