Calculation methods for mechanical strength
Eurocode 5 - Design of timber structures against fire actions

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Calculation methods for mechanical strength
Eurocode 5 - Design of timber structures against fire actions

Author : Jacques Long TRINH

Publication date: February 10, 2015 | Lire en français

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7. Calculation methods for mechanical strength

7.1 Simplified rules for calculating straight section properties

The standard proposes two simplified methods: the reduced cross-section method and the reduced properties method. For application in France, the National Annex has retained only the reduced cross-section method.

  • Reduced cross-section method

    The effective cross-sectional area is obtained by reducing the initial cross-sectional area by the effective carbonization depth ofef (figure 7) according to :

    def=dchar,n+k0d0
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