النتائج (
العربية) 1:
[نسخ]نسخ!
Structure DesignAn analysis of the existing stadium structure revealed that the original cantilevered concrete roof had not only become inadequate in terms of its function, but it also lacked sufficient structural safety in the long run. Thus, the scheme includes the existing reinforced concrete columns of the old stadium bowl to support a new lightweight roof structure based on the principle of a horizontal spoked wheel. An innovative option of this system, which features one compression ring and three tension rings made of high-performance materials, facilitates an almost floating roof. Even in regard to sustainability, this solution beats all conventional roof structures. The spoke cables are tightened between the rim of the wheel – called the “compression ring” in structural engineering – and the tension rings allocated at the inner edge of the roof. The spoke cables are made of high-strength cables. The roof covering consists of a PTFE coated fiberglass membrane, suspended between the radial main axes. Additional radial filet cables stabilize the surface. At the height of the cable-supported props, these filet cables are suspended towards the lower tension ring, and thus generate a minimal turning point, which serves as water drainage. In this way, the membrane sections attain their characteristic, gracefully curved deltoid shape. The attractive design of the scheme derives from the extremely slender inner and outer edge. This emphasizes the deliberately cautious and considerate intervention into the existing structure.
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