Research Article
Dynamic Responses of Soils around a One-Hole Double-Track Tunnel with the Metro Train Meeting
| Parameters | Unit | Value |
| Vehicle length (trailer/motor power car) | m | 24.4/22.8 | Body width (floor area) | m | 3 | Body height (when bowing down) | m | ≤3.8 | Axle load | t | 16 | Wheel set weight | kg·m2 | 2080 | Rotating inertia of wheel-to-wheel roll | kg·m2 | 749 | Rotating inertia of wheel set nodding head | kg·m2 | 81 | Rotating inertia of wheel set shaking head | kg·m2 | 1026 | Frame weight | kg | 2310 | Rolling inertia of frame | kg·m2 | 2080 | Rotating inertia of nodding head of frame | kg·m2 | 1405 | Rotating inertia of shaking head of frame | kg·m2 | 2450 | Rolling inertia of car body | t·m2 | 159.3 | Rotating inertia of body nodding | t·m2 | 2351.2 | Moment of inertia of car body shaking head | t·m2 | 2033.9 | Longitudinal stiffness of primary suspension (per axle box) | kN/mm | 17 | Transverse stiffness of primary suspension (per axle box) | kN/mm | 1.6 | Vertical stiffness of primary suspension (per axle box) | kN/mm | 1.6 | Longitudinal stiffness of secondary suspension | N/mm | 165 | Lateral stiffness of secondary suspension | N/mm | 165 | Vertical stiffness of secondary suspension | N/mm | 373 | Wheel rolling circle radius | m | 0.42 | Wheelbase | m | 2.5 | Bogie centre distance | m | 15.7 |
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