Roof Truss Elements

Each type has specific design considerations and advantages and disadvantages.

Roof truss elements.

It is a framework typically consisting of rafters posts and struts supporting a roof bridge or other structure. Ridge truss static connection of the rafters. Parallel chord roof truss. Truss members are made up of all equivalent equilateral triangles.

For larger spans and thinner walls this can topple the walls. The space between each truss is known as a bay. The main reasons for using trusses are. Interior lining lining boards fastened to the battens.

Rafter the basic load bearing component of the roof. You will find them supporting the roofs of auditoriums cinema halls stadiums railways stations airports and others. Collar tie prevents rafters from moving. Here are most popular roof trusses widely used.

The most common use of trusses is in buildings where support to roofs the floors and internal loading such as services and suspended ceilings are readily provided. Roof battens these fasten the vapour barrier to the inside of the rafters interior lining is fastened onto them. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins.

North light roof truss. Pairs of opposing rafters were thus initially tied together by a horizontal tie. Truss members form a series of equilateral triangles alternating up and down. A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof.

In structural engineering the name truss describes a triangular design. A metal plate connected wood truss is a roof or floor truss whose wood members are connected with metal connector plates. A truss consist of angles channels plates and eye bars.