Girder trusses are designed to carry additional loads other than standard roof loads.
Roof truss lattice girder truss.
North light roof truss have a wide set of lattice girders that include support trusses.
Girders may also be designed to accommodate special applications or designs.
Mctear co of belfast ireland began fabricating these trusses in wood starting around 1866.
The truss or lattice girder is a triangulated framework of members where loads in the plane of the truss or girder are resisted by axial forces in the individual members.
Using these structures in roof design eliminates the need for a load bearing wall below resulting in open floor plans.
The main uses are.
Buildings constructed in l or t shapes use girder truss systems where the roof changes direction.
North light truss is the oldest and most economical kind of truss.
It was developed in ireland as a wide span shallow rise roof truss for industrial structures.
A girder truss is designed to support other secondary roof supports.
These are found in industrial buildings drawing rooms and large spaces with a span of 20 30 meters.
The terms are generally applied to the planar truss.
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