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Sample Solution for CPCCCA3006 - ERECT ROOF TRUSSES

List six (6) components of roof trusses and describe each one

  1. 1
  2. 2

Other Assignment Sample

Q1:

Answer :

Top Chord – It is the top structure of a roof truss and it has high load bearing capacity with load transferring elements.

  • Bottom Chord - It is at the base of the truss and carries the load of top chords. It supports the celling material below too.
  • Web member – It is a diagonal and vertical component of a truss and connects top and bottom chords. It works for forces and compression.
  • King post – It is central vertical element of the king post truss. It connects the top of truss to the middle point of the chord and supports the roof to the walls.
  • Diagonal Brace - It is connected to the top chords and bottom chords and is angled. It prevent truss from buckling or twisting and keeps its stability.
  • Connector plates – It is also called as nail plates and used to join the truss components at the joints. This makes sure that the truss is single structure and is secure.

Q1: For the types of timber listed below, briefly describe their structural properties and uses.

Answer :

Types of Timber

Bamboo Timber Birch Timber Cedar Timber Mahogany Timber
Structural Properties

 

High tensile strength
Lightweight
Flexible
Resistant to compression

 

Strong
Durable
Resistant to wear

 

Lightweight
Durable
Naturally resistant to decay
No insect damage

 

Durability
Resistance to decay

Uses

 

Used in construction for scaffolding, flooring, and roofing

 

Used in cabinetry, furniture making, and interior

 

Used for outdoor construction, including decking, fencing, and siding

 

High-end furniture making, cabinetry, and interior paneling