Al Thumama Stadium is located in Doha, the capital of Qatar, about 6 kilometers from the city center. The stadium’s capacity is 40,000 and will host the 2022 FIFA World Cup. The design of the stadium is based on the traditional headgear, the Gahfiya, and symbolizes it with an enveloping, light facade. The pixel like pattern is continued in the roof area using various translucent membrane materials and enables an optimized symbiosis of light incidence, shading and growth conditions for the grass of the playing field. The roof is a circular spoked wheel structure with an outer compression ring and two inner tension rings which are connected by 40 radial lattice girders. Vertical, curved steel girders from the entrance plane up to the compression ring form the basic framework of the cable net façade, of which individual sections are stretched in two layers in convex form between them. A translucent membrane with mesh membrane inserts forms the outer end of the stadium. In the reinforced concrete bowl, the lower and middle levels form a permanent structure. The upper tier consists of a steel structure with precast concrete roofing and will be dismantled after the World Cup, reducing capacity to 20,000 seats. A boutique hotel and a sports hospital are planned for the new rooms.
