Flat Roof Long Span Truss

Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20.

Flat roof long span truss.

Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Alpine truss designs are engineered to meet specific span configuration and load conditions.

Flat depth 12 22 18 24 20 19 16 24 20 22 18 24 20 19 16 24 20 18 30 23 36 28 29 21 33 27 30 23 36 28 29 21 33 27. The dimensions of your structure will determine the angles formed by the truss s top and bottom beams or chords. The load span tables shown below demonstrate only a tiny subset of the. 8 10 foot 1 10 foot 1.

Long span roofs are generally defined as those that exceed 12 m in span. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs. They are commonly found in a wide range of building types such as factories warehouses agricultural buildings.

When making a selection below to narrow your results down each selection made will reload the page to display the desired results. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times. The purpose of this article is first to explore and explain various aspects of building with long span open web trusses including. 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.

These steel joints are needed to support the overall truss. Roof truss spans every trussteel roof truss is a custom design based upon the unique load span bearing use and code criteria of a particular project. The more complex the truss framework is the greater quantity of these joints will be required. A truss for a gable roof on one side of your home for example might need to be 15 feet 4 6 m long and 4 6 feet 1 2 1 8 m tall.

If you want to build a flat roof then you will need to build a flat roof truss these are designed to span the space between two load bearing walls and take the weight from the roof onto these walls.