Basic types of stresses loads and roof truss design diagram 1 shows a basic triangular roof with two top chords called rafters in a conventional roof and a bottom chord or ceiling joist.
Triangular roof truss design.
It is most often used for roof construction.
See more ideas about roof trusses roof truss design roof.
Apr 25 2019 explore robert heimbigner s board roof truss design followed by 984 people on pinterest.
Typically the upper chords have different lengths in this particular type of truss that make the apex off center.
A mono truss is a one sloped truss that forms a right angle triangle.
It can be said in the case of steel roof truss design calculations that the cost of truss should be equal to twice the cost of purlins and the cost incurred on the roof covering.
These are attached to the horizontal beam thus making up the triangle s base.
The chord size and web configuration are determined by span load and spacing.
The pitched or common truss is characterized by its triangular shape.
When the roof is subjected to a load the top chords are put under bending and compression forces and transmit the roof loads down to the supports.
It s often used for sheds garages or extension of an existing roof.
Some common trusses are named according to their web configuration such as the king post fan fink or howe truss.