Long Span Steel Roof Structures

Bending structures originally developed for bridges such as plate girders and trusses are used in long span buildings.

Long span steel roof structures.

Steel is the major material for long span structures. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times. This broad range of benefits means that they are commonly found a wide range of building types. Apr 14 2014 explore sophia panova s board long span roofs on pinterest.

Long span iii roof panels have 1 1 4 ribs on 12 centers for an even shadowed appearance. However they are not very efficient in their use of material. Spans in excess of 20 m can be achieved for the purposes of this article the definition of long span is taken as anything in excess of 12 m. See more ideas about structure architecture architecture architect.

The experience collected in last decades identified structural typologies as space structures cable structures membrane structures and new under tension efficient materials. Long span roofs are generally defined as those that exceed 12 m in span. They are commonly found in a wide range of building types such as factories warehouses agricultural buildings hangars large shops public halls gymnasiums and arenas. Generally long spans result in flexible column free internal spaces reduce substructure costs and reduce steel erection times.

Plate girders are welded from steel plates to make i beams that are deeper than the standard rolled shapes and that can span up to 60 metres 200 feet.