Types of Steel Roof Trusses
- When the spread exceeds 10 m, timber trusses become heavy also uneconomical.
- Steel trusses are also economical during larger spans.
- Notwithstanding, steel trusses are more commonly used these days, to all spans – small or large.
Steel Roof Trusses
They are Steel Roof Trusses
- More economical,
- Easy to construct or fabricate,
- More rigid, and
- Steel trusses are fabricated of rolled steel structural members before-mentioned as channels, angles, T-sections including plates.
- Most of the roof trusses are fabricated from angle-sections because they can resist effectively both tension as well as compression, and their joining is easy.
Steel Roof Trusses may be grouped in the following categories
- Open trusses
- North light trusses
- Bowstring trusses
- Arched rib trusses and solid arched ribs.
Steel Roof Trusses have the following advantages over timber trusses
- The sections comprising of a steel truss are immediately available in the required dimensions, appearing in minimum wastage of material.
- Steel trusses are light in weight and tin be fabricated in each shape depending against structural also architectural requirements.
- Steel trusses are stronger and more rigid in association to timber trusses.
- the members in Steel trusses are equally strong in tension as well as compression.
- Steel trusses can be used over any span, while timber trusses are suitable only up to 15 m spans.
- The steel truss is fireproof.
- The steel truss is termite-proof.
- Steel truss has a longer life.
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