De Obras Civiles Dise%c3%b1o Hot! - Manual De Dise%c3%b1o Por Viento Cfe 2020 Pdf

Manual de Diseño por Viento CFE 2020: Una Guía Completa para Obras Civiles

  1. Classify the Structure: Determine if your building is Type 1 (ordinary), Type 2 (essential), or Type 3 (post-disaster).
  2. Obtain the Regional Wind Speed: Using the new 2020 isobar maps, find $V_R$ for your site (e.g., Zone I, II, or III). Note that some areas previously in Zone II have moved to Zone III.
  3. Calculate the Exposure Factor ($F_RZ$): This is where most errors occur. Determine the terrain roughness length ($Z_0$) based on surrounding structures.
  4. Check Local Effects: For roofs, parapets, and free-standing walls, the local pressure coefficients have changed. Pay special attention to corner zones (zones 3 and 4), where suctions are higher.
  5. Review Serviceability: The 2020 manual introduces stricter drift limits for civil works under wind service loads (H/500 vs older H/400).

Nuevos Mapas de Isotacas: Se actualizaron las velocidades regionales del viento basándose en registros climáticos más extensos hasta el año 2020. En muchas regiones, las velocidades de diseño han aumentado significativamente. Manual de Diseño por Viento CFE 2020: Una

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