Steel Roof Structure Terminology

The line formed at the intersection of two adjacent sloping planes of a roof.

Steel roof structure terminology.

Structural steel the structural elements that make up the frame that are essential to supporting the design loads e g. 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. In some instances they are also steel lengths measuring about an inch or so wide that have an elevated middle where one screws the metal roofing into. Glossary of steel terminology.

Usually steel sections in the shape of i. To ensure construction safety a construction monitoring scheme was. 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. A metal v shaped gutter is fixed in this area to direct water to the gutter.

Truss roof the prefabricated self supporting triangulated structural framework commonly used for all types of roofs. Sometimes called hat channel because of its shape. 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. Eaves on a sloped roof the horizontal underside that projects out from the house wall.

Beams columns braces plate trusses and fasteners. Architectural roofing is metal roofing systems that are non weightload bearing and must be installed over solid decking rather than battens or purlins. Structural steel having a yield stress in excess of 36 000 pounds per square inch. Steel sections angels channels w shapes etc which are formed by rolling mills while the steel is in a semi molten state.

Structural shapes standard steel configurations produced by steel mills such as wide flanges channels angles pipe tubes etc. A roof that is formed by sloping planes from all four sides. Batten or purlins can be 1 x2 x4 wood strips nailed to the roof or rafters upon which the roofing is attached. The section has a web in the middle and two flanges.

It does not include for example cables. Valley the internal angle formed by two inclined slopes of a roof. 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. The connecting area of a column and roof beam of a structural frame such as a rigid frame.

The width of the flanges is usually between 1 5 times and 3 times less than the depth of the web.