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 numberGrouting location (m)Grouting amount (m3)

1280–2852 (cement grouting)
288.5–292.5

2282.5–2851.5 (cement grouting)
288.5–292.5

3282.5–2851.5 (cement grouting)
287.5–288

4282.5–2851 (cement grouting)

5282.5–2851 (cement grouting)
287.5–290

6282.5–2851 (cement grouting)
287.5–290

7280–2900.77 (chemical grouting)

8280–2900.83 (chemical grouting)