Research Article
Estimation of Cement Asphalt Mortar Disengagement Degree Using Vehicle Dynamic Response
Table 1
Properties for CRH2 EMU trailer.
| Property | Unit | Symbol | Value |
| Mass of car body | kg | | 26100 | Mass of bogie | kg | | 2600 | Mass of wheel | kg | | 2100 | Pitch moment of inertia of car | kg·m2 | | 1.28 × 106 | Pitch moment of inertia of bogie | kg·m2 | | 1424 | Stiffness of primary suspension | N/m | | 1.176 × 106 | Stiffness of secondary suspension | N/m | | 9.91 × 105 | Damping of primary suspension | N·s/m | | 1.02 × 106 | Damping of secondary suspension | N·s/m | | 1.96 × 105 | Half of rigid wheelbase | m | | 1.25 | Half of length between the bogie pivot centers | m | | 8.75 | Radius of wheel | m | | 0.43 |
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