Table 1 Track rockfall experimental scheme.
| Â | Experiment 1 | Experiment 2 | Experiment 3 | Experiment 4 | Experiment 5 | Experiment 6 |
|---|---|---|---|---|---|---|
Hit location | Center of sleeper | Center of sleeper | Edge of the sleeper near sensors | Rail buried with sensors | Rail away from sensors | Rail away from sensors |
Hit distance (m) | 0 | 5 | 5 | 0 | 0 | 5 |
Rockfall quality (kg) | 10.4 | 10.4 | 10.4 | 10 | 10 | 10 |