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Wind zone Eurocode in United Kingdom, with basic wind velocity

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Fundamental basic wind velocity map and effect of altitude to consider in United Kingdom per wind zone

Fundamental basic wind velocity map to consider in United Kingdom

Altitude effect according to NA to BS EN 1991-1-4 (01 2011)
    (from NA.2.4 Equation NA.1)
where:
  • vb,map is the value of the fundamental basic wind velocity before the altitude correction is applied.
  • calt is the altitude factor:
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