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| Parameters | Value | Illustrate |
|
| Vertical load, (kPa) | 223.32 | Whole earth-pillar load |
| Horizontal load on the top of the tunnel, (kPa) | 111.66 | Lateral pressure coefficient is 0.5 |
| Horizontal load on the bottom of the tunnel, (kPa) | 170.16 |
| Rock resistant coefficient, (MPa·m−1) | 100 | [23] |
| Segment width, (m) | 1.5 | / |
| Segment thickness, (m) | 0.3 |
| Thickness of the reinforcement protective layer of segment, (cm) | 5.0 |
| Elastic modulus of bolt, (MPa) | 2.06 × 105 |
| Effective length of bolt, (cm) | 46.0 |
| Cross-sectional area of bolt, (mm2) | 1017.88 | Grade 8.8 M36 |
| Thickness of transferring cushion, (mm) | 5.0 | / |
| Total cross-sectional area of steel bar inner side of the segment, (mm2) | 3770.4 | 12Φ20 |
| Number of circular bolt on each joint, | 2 | / |
| Elastic modulus of segment concrete, (MPa) | 34.5 × 103 | C50 |
| Poisson’s ratio of segment concrete, | 0.17 | C50 |
| Elastic modulus of transferring cushion, (MPa) | 0.4 × 103 | / |
| Distance from the bolt centroid to the segment inner side, (cm) | 12.0 | / |
| Effective length of equivalent beam element, (m) | 0.1 | / |
| Tensile stiffness of bolt, (N) | 2.1 × 105 | / |
| The ratio between the cross-sectional area of bolt and the cross section of steel bar inner side the segment, | 0.54 | / |
| Equivalent elastic modulus of equivalent beam element under axial compressive condition, (MPa) | 6.82 × 103 | / |
| Initial pretightening force of bolt, (kN) | 200 | Grade 8.8 M36 |
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