Research Article
Application of Distributed Optical Fiber Sensing Technology in the Anomaly Detection of Shaft Lining in Grouting
Table 2
Grouting process of shaft lining.
| Grouting step number | Grouting location (m) | Grouting amount (m3) |
| 1 | 280–285 | 2 (cement grouting) | 288.5–292.5 |
| 2 | 282.5–285 | 1.5 (cement grouting) | 288.5–292.5 |
| 3 | 282.5–285 | 1.5 (cement grouting) | 287.5–288 |
| 4 | 282.5–285 | 1 (cement grouting) |
| 5 | 282.5–285 | 1 (cement grouting) | 287.5–290 |
| 6 | 282.5–285 | 1 (cement grouting) | 287.5–290 |
| 7 | 280–290 | 0.77 (chemical grouting) |
| 8 | 280–290 | 0.83 (chemical grouting) |
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