Research Article
Experimental Study on the Influence of PVA Content on the Performance of Grouting Material in Deep Stope
Table 4
Experimental design scheme.
| | Group | PVA added amount | Solid phase mass ratio (cement : fly ash) | Concentration | Antifoaming agent (silicone oil) dosage |
| | 1# | 0% | 1 : 2 | 65% | 0.1% | | 2# | 0.1% | 1 : 2 | 65% | 0.1% | | 3# | 0.3% | 1 : 2 | 65% | 0.1% | | 4# | 0.5% | 1 : 2 | 65% | 0.1% | | 5# | 0.8% | 1 : 2 | 65% | 0.1% | | 6# | 1% | 1 : 2 | 65% | 0.1% |
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