Table 3 Numerical simulation plan for artificial pre-splitting control parameters.
From: The disaster law and control measures of high-stress tunnels in fault areas: a case study
Number | Plan order | Height of cutting | Plan order | Angle of cutting |
|---|---|---|---|---|
1 | III-1 | 15,000 mm | IV-1 | 0° |
2 | III-2 | 20,000 mm | IV-2 | 5° |
3 | III-3 | 25,000 mm | IV-3 | 10° |
4 | III-4 | 30,000 mm | IV-4 | 15° |
5 | III-5 | 35,000 mm | IV-5 | 20° |