Research Article
An Investigation into the Tunnel-Soil-Pipeline Interaction by In Situ Measured Settlements of the Pipelines
Table 2
Detailed information of the monitored pipelines.
| No. | Type | Material | Diameter (mm) | Cover depth (m) | Wall thickness (mm) | Joint | Section length (m) | Installation time (s) |
| 1 | Water | Steel | 1400 | 2.26 | 12 | Weld | 6 | 1970 | 2 | Water | Cast iron | 300 | 2 | 8 | Socket | 5 | 1980 | 3 | Water | Steel | 800 | 2.55 | 5 | Weld | 6 | 1950 | 4 | Gas | Steel | 400 | 1.41 | 5 | Weld | 6 | 1980 | 5 | Gas | Steel | 500 | 1.41 | 14.5 | Weld | 9 | 1980 | 6 | Water | Cast iron | 800 | 1.5 | 18 | Socket | 5 | 1960 |
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