Sloping Flat Roof Steel Truss Design

Sloping flat trusses are used almost like a joist in settings where the interior ceiling pitch is desired to be the same as the roof pitch.

Sloping flat roof steel truss design.

For flat trusses a minimum depth to span ratio between 1 8 and 1 10 is recommended the deeper trusses being preferred for the longer spans. Workshops warehouses industrial buildings etc. A flat roof truss is also known simply as a flat truss and is not completely flat but rather slightly sloped in order to allow water to run off of the roof. Sloping flat trusses are typically supported by a ridge beam or girder truss at the roof peak and have sloping flat trusses on both sides to create wide open span spaces in public venues like riding arenas and churches.

Per ft for proper drainage although steeper slopes are often desirable. The steel roof truss is one of structural engineering s most important and iconic elements. Roof trusses become necessary when sloping roofs have to be provided. These structures generally have a flat roof structure because they are already at a high height.

These are designed to span the space between two load bearing walls and take the weight from the roof onto these walls. Roofs should have a minimum slope of in. For many single storey buildings sloping roofs on trusses are common. Flat roof truss design is used in intermediate flat structures because its spans are not of a much higher range.

They are used in construction of roofs of fairly large objects such as shopping malls logistical parks and warehouses. Also need sloping roofs and hence roof trusses.