General Information

Figure 1 shows a covered sports tribune.

The roof structure consists of steel trusses, fly bracing, roof bracing, purlins, and metal roofing sheets.

Fly Bracing

Figure 2 shows a schematic partial cross-section of the covered tribune.

The truss consists of a front, a back, and a suspension unit; the truss members are made of circular hollow profiles. The front unit length l ≅ 14 m, and the truss spacing ≅ 8 m. Figure 3 shows a bottom view of a roof sector.

The fly braces are made of lipped channels; they are placed along the front and back units and are connected to the bottom chords and purlins by bolted gusset plates, as shown in figure 4.