Research Article
The Porosity Dynamic Model of the Compacted Broken Coal
Table 3
The fitting parameters of the stress-strain curve.
| Coal sample | Parameter A | Parameter b | Fitting function | Fitting degree |
| 1# | 0.2698 | 19.317 | | 0.9906 | 2# | 0.2997 | 19.792 | | 09942 | 3# | 0.3605 | 17.263 | | 0.9882 |
|
|