Roof Truss Elements

For larger spans and thinner walls this can topple the walls.

Roof truss elements.

You will find them supporting the roofs of auditoriums cinema halls stadiums railways stations airports and others. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins. North light roof truss. Ridge truss static connection of the rafters.

A metal plate connected wood truss is a roof or floor truss whose wood members are connected with metal connector plates. A truss is essentially a triangulated system of straight interconnected structural elements. In structural engineering the name truss describes a triangular design. 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.

Pairs of opposing rafters were thus initially tied together by a horizontal tie. Collar tie prevents rafters from moving. Parallel chord roof truss. Each type has specific design considerations and advantages and disadvantages.

The main reasons for using trusses are. Interior lining lining boards fastened to the battens. It is a framework typically consisting of rafters posts and struts supporting a roof bridge or other structure. A joint framed structure that sustained the inclined vertical or horizontal loads.

Roof battens these fasten the vapour barrier to the inside of the rafters interior lining is fastened onto them. 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. A truss consist of angles channels plates and eye bars. The space between each truss is known as a bay.

Rafter the basic load bearing component of the roof. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Truss members form a series of equilateral triangles alternating up and down.