ROOF 12x12x6m ARC
Tunnel roof system made of five aluminum truss arches. The tunnel design of temporary roofs introduces great versatility for event management and show planning as the arches bring in the feature of great clearance and, at the same time, very large loading capacity. The truss arches are anchored to steel base plates that are connected to each other not only by ladder trusses but also by steel ropes stiffening the structure as a solid unit. The covering of the tunnel roof is carried out through optional keder profiles welded to individual arch segments in order to make the PVC top cover stripes slide in easily and protect the stage area from sun, rain and wind.
The outter dimensions of the structure are 12 x 12 x 6 m (39 x 39 x 20 ft) with the maximum stage size under the roof 11 x 11 m (36 x 36 ft). The main arches are made of HT44 truss circle segments. The individual arches are interconnected by HT42 ladder trusses and the complete structure is also stiffened by many steel ropes guy wires.
Maximum loading capacity of the roof is 10 000 kg (22,046 lbs). The operational wind limit for using the roof system with the side canopies on all three sides is 20 m/s (45 mph).
Specification
| MAX. DIMENSION | MAX. STAGE SIZE | MAX. CLEARANCE | MAX. HEIGHT | MAX. LOAD BEARING CAPACITY | TOTAL WEIGHT OF CONSTRUCTION |
|---|---|---|---|---|---|
| 12.5 x 12.5 m (41 x 41 ft) | 11 x 11 m (36.1 x 36.1 ft) | 4.6 m (15.1 ft) | 6.07 m ( 21.98 ft) | 10 000 kg (22,046 lbs) | 2150 kg (4,739 lbs) |
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