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prefab beam / prestressed concrete / I / variable-depth

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Characteristics

  • Type:

    prefab

  • Material:

    prestressed concrete

  • Cross section:

    I

  • Longitudinal section:

    variable-depth

  • Applications:

    roof

Description

Roof purlins are lightweight prestressed elements that are used to support the roof covering material in industrial buildings; they also serve to lend stiffness to prefabricated structures. Purlins of various depths can be used depending on the spans involved, according to the following table: