The parallel 300 metres, longitudinally oriented twin trusses, supported on three main transversal box girders, are placed with a relative separation of 9115 metres.
The trusses have a parabolic curved top flange, with a height varying from 3.5 metres at the ends to 12.5 metres at the centre, and a bottom horizontal flange (fig.3).
The upper chord geometry facilitates rain drainage. Two couples of twin trusses are then both connected, with vertical and horizontal braces, in order to finally obtain a self out of plane stabilizing spatial frame.
Five reticular spatial frames, forming the principal structural system (fig.4), are supported on transversal oriented frames formed by 4 box-section concrete columns and steel box-section continuous beams, with three spans of 27.5 metres each (85 metres long), positioned along the two lateral gable walls and the symmetrical axis of the Hangar.
Structural preliminary design, structural final design, structural detail design
25 000 m2
Cost of the project