| Feature | CFE 2008 | CFE 2020 (El Capo) | | :--- | :--- | :--- | | | Uniform regional map | Isopleths for 50/200/1000 yrs | | Turbulence intensity | Constant 0.15-0.20 | Varies with height & terrain (log law) | | Internal pressure | Fixed +/- 0.18 | Variable based on opening ratio (0.0 to 0.6) | | Cladding design | Simplified | Area-averaged reduction factors (validated by wind tunnel data) | | PDF clarity | Poor, grayscale, low-res maps | High-resolution color maps (digital edition) |
That is the correct, authoritative document for structural wind design in Mexico (excluding Mexico City, which uses its own NTC). If you need the Mexico City NTC Viento 2020 , search: . manual de dise%C3%B1o por viento cfe 2020 pdf capo
Dependen de la geometría de la obra (forma del techo, inclinación, aberturas) para saber cuánto empuja o succiona el viento en cada cara Obtención de Fuerzas Finales: | Feature | CFE 2008 | CFE 2020
Criterios más estrictos para clasificar estructuras según su importancia (Tipo A, B, etc.) y su respuesta ante el viento. manual de dise%C3%B1o por viento cfe 2020 pdf capo