Lightweight Long Span Roof Structures

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.

Lightweight long span roof structures.

The roof structures exceeding 12m in length are called long span roofs. A x dek panel has. The lightweight character of membrane is a cost effective solution that requires less structural steel to support the roof compared to conventional building materials enabling long spans of column free space. Portal frame insitu rc 6.

The most common use of trusses is in buildings where support to roofs the floors and internal loading such as services and suspended ceilings are readily provided. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times. The main reasons for using trusses are. Long span structures are today widely applied mainly for sport buildings as.

Many long span structures such as the munich olympic stadium use fabric to create eye catching shapes not available with other materials. Long span roof construction 4. Insitu rc tensioned 2. All the panels are.

Portal frame prefabricated steel. Structural fabric is a common choice for long span structures because fabric structures are lightweight inexpensive and can quickly cover large surfaces. The sufficiently advanced stage of cast iron structures. Structural steel prefabricated and installed on spot 5.

Structural steel erected on spot 4. Stadia sport halls olympic swimming pools ice tracks and skating rinks indoor athletics the state of the art trend on widespan enclosures. Portal frame precast 7. Lightweight timber roof frames can be constructed to suit any shape simple or complex using either individual timber elements stick built or trusses and can be used under metal sheeting or tiles.

Multi storey structures can you think of examples of buildings with long span roof construction. Precast concrete tensioned 3. Water drainage layer typically gravel lightweight aggregate or profiled plastic sheeting. They are long span composite roofing panels which provide the necessary structural strength and stiffness and the required level of thermal insulation.

Long span lightweight reduced deflection compared to plain members opportunity to support considerable loads. They create internal space which are barrier free and flexible. They are suitable for green roof solutions and can be used as a standard panel or part of the steel structure.