Division 2.5.6 Calculation of noise propagation for road, railway, industrial sources.

United Kingdom

1. Geometrical divergence
2. Atmospheric absorption
3. Ground effect
4. Acoustic characterisation of ground
5. Calculations in homogeneous conditions
6. Calculation in favourable conditions
7. Diffraction
8. General principles
9. Pure diffraction
10. Calculation of the path difference
11. Homogeneous conditions
12. Favourable conditions
13. Calculation of the attenuation Adif
14. Calculation of the term Δ ground(S,O)
15. Calculation of the term Δ ground(O,R)
16. Vertical edge scenarios
17. Reflections on vertical obstacles