Research Article
Feasibility of a Polymer Foaming Agent as a Grouting Material for Broken Coal Masses
Table 5
The calculated results of
at the critical state.
| | Grouting material | Specimen | (MPa) | (MPa) | (MPa) |
| | SC | SC-1 | 7.26 | 1.82 | 1.43 | | SC-2 | 5.99 | 1.37 | | SC-3 | 6.31 | 1.48 | | SC-4 | 5.09 | 1.05 | |
| | PF | PF-1 | 12.01 | 3.49 | 3.09 | | PF-2 | 10.99 | 3.16 | | PF-3 | 9.80 | 2.71 | | PF-4 | 10.58 | 2.99 |
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