What is the Beijing National Stadium made of

what is the beijing national stadium made of

The Beijing National Stadium, also known as the “Bird’s Nest,” is an iconic sports venue located in Beijing, China. It was designed by Swiss architects Jacques Herzog and Pierre de Meuron, in collaboration with Chinese architect Li Xinggang, and was completed in 2008, just in time for the Beijing Olympics. The stadium is made of various materials that were carefully selected to ensure durability, sustainability, and aesthetic appeal.

The most prominent material used in the construction of the Bird’s Nest is steel. The stadium features a complex steel structure that consists of 24 trussed columns arranged in a grid pattern, which intersect to form a bowl-shaped structure. The steel trusses are coated with a layer of fireproof material to meet safety standards.

Another key material used in the construction of the stadium is concrete. The concrete was used to construct the lower bowl of the stadium, which houses the spectator seating area, and the outer wall of the stadium. The concrete used was a specially formulated high-strength mix that could withstand the harsh weather conditions in Beijing and the seismic activity that is common in the region.

The outer surface of the stadium is covered with a translucent membrane made of ETFE (ethylene tetrafluoroethylene). This material is a lightweight, durable, and highly transparent polymer that allows natural light to enter the stadium while providing protection from the elements. The membrane also gives the stadium its unique appearance, as it changes color depending on the angle of the sunlight.

In addition to steel, concrete, and ETFE, the Bird’s Nest also incorporates other materials, such as aluminum and glass. The stadium’s roof is supported by a series of steel cables, which are anchored to a ring beam made of aluminum. The ring beam also serves as a platform for the installation of the stadium’s lighting system.

In conclusion, the Beijing National Stadium is an architectural masterpiece that is made of a combination of materials, including steel, concrete, ETFE, aluminum, and glass. These materials were integrated into a unique and innovative design that has become an iconic symbol of China’s modernization and progress.

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