Research Article
Effects of Pipe Roof Support and Grouting Pre-Reinforcement on the Track Settlement
Table 4
Deformations with different arrangement areas of the pipe roof.
| | Number | Crown settlement (mm) | Peripheral convergence (mm) | Maximum track settlement (mm) |
| | 1 | 85.3 | 11.3 | 26.6 | | 2 | 80.9 | 3.2 | 23.4 | | 3 | 78.2 | 2.9 | 22.5 | | 4 | 73.3 | 2.7 | 22.0 |
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