(Si desea, puedo desarrollar este ejemplo con números completos y dibujos de carga.)
The CFE provides these manuals for free on their official website.
Direct link to the CFE Manuals section (Obras Civiles):
👉 https://www.cfe.mx/desarrolloinmobiliario/Pages/ManualesdeDisenodeObrasCiviles.aspx
Once there, look for:
Aunque la CFE actualiza sus manuales de manera continua, las versiones recientes (incluyendo los lineamientos vigentes en 2020-2021) introducen cambios significativos respecto a ediciones anteriores:
En el manual 2008, ( G ) era 0.85 para todas las estructuras. En CFE 2020, ( G ) se calcula en función de la altura, el tamaño de la estructura y la intensidad de turbulencia. Esto penaliza a las estructuras bajas y grandes (naves industriales) y beneficia a las torres esbeltas.
Nota final: Este artículo se actualiza constantemente con las interpretaciones oficiales de la CFE. Para aplicaciones críticas, consulte siempre el PDF original del manual y las circulares técnicas vigentes. (Si desea, puedo desarrollar este ejemplo con números
Palabras clave integradas: manual de diseño por viento CFE 2020 PDF de obras civiles diseño, análisis eólico en México, factor de ráfaga variable, velocidad básica del viento, CFE MDOC 2020.
In the coastal town of Progreso, Yucatán, the air often carries the scent of salt and the threat of tropical storms. For Mateo, a lead structural engineer, the
Manual de Diseño de Obras Civiles: Diseño por Viento CFE 2020
was not just a PDF on his tablet—it was the thin line between a safe community and a catastrophic failure. The Storm of Uncertainty
Mateo was tasked with designing a new critical communications tower. In the past, engineers relied on older maps, but the 2020 update brought a new level of precision. The Challenge
: The tower was a "Group A+" structure—essential for emergency services during a hurricane. The Change : The 2020 manual introduced updated regional wind speed maps (isotacas) Aunque la CFE actualiza sus manuales de manera
, reflecting years of new meteorological data from across the Republic. The Physics
: Mateo had to classify the tower by its response to the wind. Because of its height and flexibility, he performed a dynamic analysis
, calculating how the tower would vibrate and sway under the turbulent gusts typical of the Caribbean. Applying the "Invisible Hand" To ensure the tower's stability, Mateo used the Sistema Viento
, a specialized software tool developed to apply the manual's complex methodologies accurately. Roughness Categories
: He meticulously identified the terrain category. Since the site was near the coast with few obstacles, the wind would hit with its full, unfiltered force. Aerodynamics
: He consulted the manual's coefficients to account for the "invisible hand" of the wind—the pressure and suction forces that can twist steel as if it were paper. A Legacy of Safety Palabras clave integradas: manual de diseño por viento
Months later, as a major hurricane skirted the coast, the tower stood firm. While the wind howled at speeds that would have crippled older designs, Mateo’s structure held.
Manual de Diseño de Obras Civiles Diseno por viento '20 - CFE
It looks like you are looking for the CFE 2020 Wind Design Manual (Manual de Diseño por Viento) for civil works, based on the Comisión Federal de Electricidad (CFE) regulations in Mexico.
Here is the direct and most useful information to help you find the correct PDF document:
Document ID: CFE-WD-CIVIL-2024-RPT-01
Subject: Analysis and application of wind engineering principles for civil infrastructure according to CFE MDOC (latest revision, referencing 2020 updates)
Date: April 2026
For slender civil works (H > 5√(width)):
[
C_d = 1 + \frac\pi^2 \cdot \phi\delta
]
Where φ = turbulence intensity, δ = logarithmic decrement (0.1 for concrete, 0.05 for steel).
Define la clasificación de las estructuras según su respuesta al viento: