Steel Truss Roof Section

The member spanning from truss to truss which is meant to carry the load of the roofing material and to transfer it on the panel points is called a purlin.

Steel truss roof section.

Pre welded clips on 2 centers for wood or steel secondary framing. A slope of 22ø degree is common for corrugated steel and asbestos roofing sheets. All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black. It is desired to specify the appropriate angle sections that will safely carry the anticipated loading using eurocode design code specified steel grade s 275.

Top aspects of truss design for roofs. The advant truss section has many advantages over existing proprietary cold formed steel truss shapes. The portion of the roof contained between successive trusses is called a bay. Rolled steel angles tee sections hollow circular and rectangular structural tubes are used in the case of roof trusses in industrial buildings fig.

A sl series truss is a single slope truss that includes steel girders and steel columns with clear span widths from 10 through 80 with available eave heights of 8 through 20. Dec 7 2017 explore ls fai s board steel trusses on pinterest. The fink truss offers economy in terms of steel weight for short span high pitched roofs as the members are subdivided into shorter elements. Just a few include.

See more ideas about steel trusses roof truss design roof trusses. Advant is designed specifically to fill the need for a lightweight strong and economical cold formed steel truss option in floors and flat roof applications. Of span upto 15 0m. All come with 16 overhang past post.

How is advant different. There are many ways of arranging and subdividing the chords and internal members. 1 5 of span upto 15m to 30m. As a guide the spacing of the roof trusses can be kept.

For economic spacing of roof trusses the cost of truss should be equal to twice the cost of purlins the cost of roof covering. 12 50 a foot 12 40 14 95 a foot 42 60 all lean to shed trusses 1 12 pitch. Hence the length of the purlin is equal to the width of the bay i e the spacing of the trusses. The idealised 2d model of the roof truss typical loading configuration is as shown below.

Equal angle sections are available from 20 mm x 20 mm x 3 mm to 200 mm x 200mm x 25 mm with their corresponding weights as 9 n and 736 n per meter length respectively. This type of truss is commonly used to construct roofs in houses. Angle sections are widely used for roof truss constructions and for filler joist floors. The truss is made up of howe truss configuration spaced at 3m intervals.