Research Article
Quantitative Characterization of Overburden Rock Development Pattern in the Goaf at Different Key Stratum Locations Based on DEM
Table 2
Similarity ratio of each parameter.
| Ratio of similitude | Value |
| Similarity ratio of geometric | 1 : 150 | Similarity ratio of volume weight | 1 : 0.66 | Similarity ratio of time | 1 : 12 | Similarity ratio of stress | 1 : 225 |
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