Steel Roof Structure Terminology

The section has a web in the middle and two flanges.

Steel roof structure terminology.

Structural shapes standard steel configurations produced by steel mills such as wide flanges channels angles pipe tubes etc. The connecting area of a column and roof beam of a structural frame such as a rigid frame. Batten or purlins can be 1 x2 x4 wood strips nailed to the roof or rafters upon which the roofing is attached. The roof steel structure in the terminal 2 building of yancheng nanyang airport has a large span and a considerably difficult construction.

Glossary of steel terminology. 30 lb felt was the standard underlayment for quality metal roofing systems and is still used but has been replaced in many areas by the newer synthetic underlayments it is typically made of a polyester fleece and infused with tar. The line formed at the intersection of two adjacent sloping planes of a roof. A roof that is formed by sloping planes from all four sides.

Structural steel the structural elements that make up the frame that are essential to supporting the design loads e g. Eaves on a sloped roof the horizontal underside that projects out from the house wall. A metal v shaped gutter is fixed in this area to direct water to the gutter. The vertical framing members located at the sides of an opening.

Beams columns braces plate trusses and fasteners. Terminology applied to structural steel members the use of these members the methods by which they are connected and the basic sequence of events which occurs during erection. According to the project characteristics the construction scheme of the roof steel structure follows the principle of subareas and substeps with the truss lifting in segmentation. To ensure construction safety a construction monitoring scheme was.

A power tool used to tighten nuts or bolts. Structural steel having a yield stress in excess of 36 000 pounds per square inch. An l shaped metal strip positioned along a roof s edges to allow water to run off the roof without running down the eaves or siding. Usually steel sections in the shape of i.

It does not include for example cables. Truss roof the prefabricated self supporting triangulated structural framework commonly used for all types of roofs. A proprietary reidsteel name for a patented form of tied arch with pitched or parabolic roof slopes which can be used to span large spans cost effectively. The width of the flanges is usually between 1 5 times and 3 times less than the depth of the web.

Sometimes called hat channel because of its shape. Steel sections angels channels w shapes etc which are formed by rolling mills while the steel is in a semi molten state.