| Mi | Control measures | Effects |
| M1 | Single-hole double-track tunnel design plan | (P F1.3, F1.5, F2.1, F2.2, F2.4, F3.5, F4.2, F4.3); (L F4.6) | M2 | Geological treatment before excavation | (P F2.3, F2.4) | M3 | Air-cushion pressure-regulating mud-water balance shield machine equipped with large-flow mud-water scouring cycle and secondary crusher | (L F2.4) | M4 | Replacement of the disc cutters under atmospheric conditions, telescopic spherical hinge main drive | (L F2.4, F4.6) | M5 | Advance drill, advance grouting system, and advanced geophysical equipment | (L F2.4, F4.2, F4.7) | M6 | Improved wear resistance of disc cutters | (L F2.4, F4.6) | M7 | Construction of structural health monitoring and intelligent safety early warning system | (L F4.4, F4.5) | M8 | Closed construction during COVID-19 | (N F2.2, F3.4) | M9 | Real-time remote monitoring system | (L F4.4, F4.5); (N F4.9) | M10 | Tunnel communication extension system | (N F4.4, F4.9) | M11 | Emergency drill for various accidents | (N F3.4, F4.4, F4.8); (P F4.10) |
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