| 位置/m | 岩性 | Rc/MPa | Kv | 定量划分 | |||
| BQ | BQ级别 | RMR | RMR级别 | ||||
| 0~118 | 泥灰岩 | 13.4 | 0.39 | 227.7 | V | 24.3 | IV |
| 118~153 | 泥质灰岩 | 19.1 | 0.55 | 284.8 | IV | 33.8 | IV |