| 序号 | 材料 | 截面尺寸 (mm) | 端头井支撑埋深 (m) | 标准段支撑埋深 (m) |
| 1 | 混凝土 | 800 × 1000 | 1.00 | 1.00 |
| 2 | 钢管 | ϕ609, t = 16 | 7.20 | 7.20 |
| 3 | 钢管 | ϕ609, t = 16 | 10.80 | 10.80 |
| 4 | 混凝土 | 1000 × 1000 | 15.60 | 15.60 |
| 5 | 钢管 | ϕ800, t = 20 | 18.30 | 19.50 |
| 6 | 钢管 | ϕ609, t = 16 | 21.00 | 22.50 |
| 7 | 钢管 | ϕ800, t = 20 | 24.90 | - |