13. Wind
2.13 WIND
13.1. Introduction
13.2. Wind forces
13.3. Mean wind velocity
13.4. Terrain roughness (category)
13.5. Variation of the mean wind with height
13.6. Intensity of turbulence
13.7. Power spectral density and autocorrelation function of gustiness
13.8. Coherence function
13.9. Peak velocities
13.9.1. Mean velocity pressure and the roughness factor
13.9.2. Gust factor for velocity pressure
13.9.3. Exposure factor for peak velocity pressure
13.9.4. Aerodynamic shape factors
13.9.5. Uncertainties consideration
