Timber Roof Truss Structure
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Questions and Answers

What is the purpose of a timber roof truss?

  • To create decorative patterns on the ceiling
  • To provide insulation for the roof
  • To bridge the space above a room and provide support for a roof (correct)
  • To support the walls of a building
  • What is the function of longitudinal timbers such as purlins in relation to trusses?

  • Acting as insulation for the trusses
  • Creating decorative patterns on the roof
  • Linking trusses at regular intervals (correct)
  • Providing vertical support for the trusses
  • Why were pairs of opposing rafters initially tied together by a horizontal tie beam?

  • To increase flexibility of the truss
  • To support the weight of the walls
  • To add decorative elements to the roof structure
  • To form coupled rafters and prevent walls from toppling (correct)
  • What is the function of cross-bracing in a timber roof truss?

    <p>To stabilize and rigidify the truss unit</p> Signup and view all the answers

    What are the top and bottom members of a truss called, respectively?

    <p>Top chord and bottom chord</p> Signup and view all the answers

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