Research Article
New Chemical Grouting Materials and Rapid Construction Technology for Inclined Shaft Penetrating Drift-Sand Layer in Coal Mine
Table 5
Main technical parameters of water plugging chemical grouting.
| | Category | Two-component ratio | Solid content (%) | Dilatation coefficient | Setting time (min) | Resin viscosity (MPa·s) | Catalyst viscosity (MPa·s) |
| | Midwest213 | 1.5 : 1 | 100 | 8∼10 | 2∼900 | 350 | 150∼180 |
|
|
