Steel Roof Truss Design In India

Steel trusses in mild steel and stainless steel with roofing alliance fabtech pvt.

Steel roof truss design in india.

300 to 350 mpa yield strength cr steel base metal with hot dip az 150 gsm al zinc alloy coating as per astm a792 grade d 02 as1397 of aluminum 55 zinc 43 silicon 1 6 make m s. Dongkuk steel india ltd. Steel roof trusses and the design philosophies with worked examples. When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load.

A slope of 22ø degree is common for corrugated steel and asbestos roofing sheets. 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. When a roof is to be provided for a building which does not have interior supports and the exterior walls are more than 12 m apart a roof truss will be a convenient arrangement to support the roof. Components of a steel roof truss.

Kandivali west mumbai 214 302 3rd floor charkop shivaji chs sector 5 opposite charkop bus deposit charkop kandivali west kandivali west mumbai 400067 dist. Bridge trusses and roof trusses. Trusses 2 fabricated from various steel sections available jointed together by welding or by bolting usually via gusset plates. Gable trusses are in stocked in a 4 12 slope x 20 24 30 and 40 width and special order up to 50 wide 60 for tubing trusses.

Paint dipped for rust protection. For many single storey buildings sloping roofs on trusses are common. Placement of walls and trusses may also be aided by pulling the frames and trusses along skids placed 3000mm apart to avoid sagging between supports. Steel trusses come in three types.

For span up to about 20 00 m the spacing of steel trusses is likely to be about 4 00m i e. Made in the usa. Plane trusses and space trusses. Material specification color coated galvalume base having tensile min.

In the case of roof design there is often multiple truss types thus each truss type should be separated where possible. Members supporting heavy loads members having longer span. From the observations they concluded that the sections. Options to set the roof girders on wood post or concrete wall also available.

No of trusses 7 25 m fig. Spacing of purlins 1 31 m. Analysis and design of conventional industrial roof truss and compare it with tubular industrial roof truss. Geometry of truss.

Gable lean to and header. Gidc area gujarat india. For economic spacing of roof trusses the cost of truss should be equal to twice the cost of purlins the cost of roof covering.