Table 1 High-speed railway subgrades settlement warning levels.
From: Settlement early warning method for high speed railway subgrades based on TD Transformer
1 | 2 | 3 | 4 | |
|---|---|---|---|---|
Settlement (mm) | >5 | 4\(\sim\)5 | 3\(\sim\)4 | <3 |
Velocity (mm/H) | >1.5 | 1.3\(\sim\)1.5 | 1.1\(\sim\)1.3 | <1.1 |
Instruction | The risk is high and immediate action is needed | The risk has increased to the point where action is required | Moderate risk, need to pay attention to settlement situation | Low risk, no action required |
