Research Article
Rethinking the Water Leak Incident of Tunnel LUO09 to Prepare for a Challenging Future
Table 1
Details for the monitoring instruments used in the pumping test.
| Location | Well type | Instrument no. | Depth (m) |
| Inside the diaphragm wall | Observation well | OW-S1 | 40 | Observation well | OW-S2 | 45 | Observation well | OW-02 | 45 | Observation well | OW-04 | 45 | Observation well | OW-08 | 45 | Observation well | OW-10 | 45 |
| Outside the diaphragm wall | Observation well | OW-14 | 40 |
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