Curved beams

Steel members of any standard section can be supplied curved to a constant radius. This is a specialised technique, and advice should be sought on the appropriate bending radii relative to the section which is proposed to be curved. The minimum radius to which any section can be curved depends on the metallurgical properties of the steel and particularly its ductility, cross-sectional geometry and its end use.

Examples of curved beams used in roofs and canopies are illustrated in Figures 4.13 and 4.14.

Structural Properties Cellular Beams
4.13 Curved channel sections used to create a canopy at Helsinki Airport

4.14 Curved cellular beams in sports facility, Rangers Football Club

Curved Steel Roof Beams

4.16 Curved roof at Lea Valley Ice Skating Rink (architect: BDP)

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