Research Article
Research on Dust Suppression Technology of Shotcrete Based on New Spray Equipment and Process Optimization
Table 3
The mixture proportions of shotcrete.
| Mixture ID | Type | Water (kg/m3) | Cement (kg/m3) | Sand (kg/m3) | Coarse aggregate (kg/m3) | PCA (%) | Accelerator (%) |
| DS1 | Dry | 210 | 430 | 887 | 723 | — | — | WA0 | Wet | 183 | 432 | 992 | 643 | 0.40 | — | WA1 | 200 | 424 | 985 | 641 | 0.36 | 6 WT-N1 | WA2 | 172 | 440 | 997 | 641 | 0.47 | 5 HYAC |
|
|