Research Article
Research on the Vibration Isolation Characteristics of Floor Vibration Isolation Slab System under Train Operation
Table 1
Comparison of simulation results and theoretical derivation of points under different frequency excitations.
| | External excitation frequency (Hz) | Displacement (×10−4m) | Point acceleration(×10−1 m/s2) | Vibration level(dB) | | Numerical simulation | Theoretical derivation | Numerical simulation | Theoretical derivation | Numerical simulation | Theoretical derivation |
| | 1 | 1.036 | 1.024 | 0.0437 | 0.0406 | 72.81 | 72.17 | | 5 | 2.677 | 2.447 | 2.578 | 2.426 | 108.23 | 107.70 | | 15 | 0.233 | 0.235 | 1.500 | 2.028 | 103.52 | 106.14 |
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