Research Article
Research on Dust Suppression Technology of Shotcrete Based on New Spray Equipment and Process Optimization
Table 7
Total dust concentration at various measurement points (mg/m3).
| | No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| | L3 | 2.1 | 9.5 | — | 15.8 | 10.4 | 3.6 | — | 1.5 | 4.2 | 10.2 | 13.1 | 11.7 | 7.4 | 3.4 | 1.1 | | L2 | 1.4 | 8.7 | — | 14.6 | 9.3 | 4.7 | 1.1 | 0.8 | 3.5 | 10.6 | — | 12.5 | 6.2 | 4.2 | 0.8 | | L1 | 0.9 | 6.8 | 14.2 | 13.1 | 7.2 | 3.2 | — | 0.4 | 2.7 | 11.3 | 11.7 | 12.2 | 5.7 | 2.4 | 0.6 |
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