Marco Polo Stadium covers a 42’000mq area with retractable roof structure.
The main structural system is made by:

• Huge span main longitudinal arches (that are the main bearing structure of the system);
• Lateral grandstands cover, which cover the grandstands area, even the external edge and the longitudinal arch. These are truss beams with a circular arrangement, with radial warping.;
• Central cover with panels. There can be two panels types: mixed or movable (corresponding to the field area 90x110m). These structures are spatial trusses with H profiles. The “driving mechanism” to allow a retractable movement has been proper designed and dimensioned.
• Membrane cover panels.