Noise and Vibration from High-speed TrainsVictor V. Krylov During the past decade, high-speed railways have become one of the most advanced and fast-developing branches of transportation. Unfortunately, when train speeds increase, the intensity of railway-generated noise and vibration generally become higher, presenting major environmental problems. Since operating train speeds are gradually increasing in all countries and this trend is likely to continue in the future, the knowledge and understanding of possible noise and vibration effects is vital to undertake possible mitigation measures. Noise and vibration from high-speed trains is a definitive reference work on this subject covering the numerous theoretical and practical questions that need to be answered. This comprehensive new book provides the reader with the most recent experimental data, combining, informative illustrations and authoritative information. It represents in one volume the views of leading international experts on the problem of noise and vibration from high-speed trains and suggests possible ways of reducing its environmental impact.Noise and vibration from high-speed trains is essential reading for all scientists and engineers working on prediction and remediation of railway noise and vibration. It is written specifically for environmental consultants, local authorities and designers of new railway lines and will also be an invaluable reference tool for university students and anybody concerned with topical environmental issues. |
Contents
4 | 48 |
6 | 56 |
Highspeed train noise barrier tests at reduced scale | 65 |
5 | 82 |
When to use prediction models | 91 |
Reflections | 105 |
11 | 113 |
5 | 119 |
Means of controlling rolling noise at source | 163 |
Micropressure waves radiating from a Shinkansen tunnel portal | 187 |
Emergence of an acoustic shock wave in a tunnel and a concept | 213 |
Generation of ground vibration boom by highspeed trains | 251 |
trackembankmentsoil response | 315 |
Prediction and measurements of ground vibrations generated from | 397 |
Measures for reducing ground vibration generated by trains in tunnels | 423 |
| 431 | |
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Common terms and phrases
A-weighted acoustic amplitude attenuation average axle load ballast bed barrier bogie braking calculation Cmin component compression wave contact region curve damping dB(A displacement distance dynamic effect elastic embankment equation field Figure force Frequency Hz Green's function ground surface ground vibration boom half-space Helmholtz resonators high-speed trains increase interaction inverse wavelength Journal of Sound k₁ km/h layer Ledsgård level dB maximum measurements microphone micropressure waves modes moving load noise barrier noise emission noise level noise source octave bands parameters pass-by Poisson's ratio prediction model quasi-static radiation rail noise railway noise ratio Rayleigh wave Rayleigh wave velocity reduce reflection response rolling noise scale model Shinkansen shown in Fig shows simulation slab track sleeper soil Sound and Vibration sound level sound power level sound pressure level spectrum train speed tunnel exit typical values vehicle vertical wave propagation wavelength wavenumber wheel and rail
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