2008 was a big year for China as Beijing had won the bid to host the Summer Olympics. The Chinese Government had grand plans to prepare their country as host nation for this worldwide event. Included on the list was a state-of-the-art, eye-catching facility from which China Central Television could share the Olympics with the world.
China Central Television
A Geometric Wonder
Standing in a Seismic Zone
GE Silicone and Comprehensive Technical Expertise Critical to CCTV Construction
Connecting Two Buildings in a Seismic Zone:
The winning design, shaped like two “L” shaped high-rise towers linked at the top and the bottom at an angle to form a loop, best described as a “Z criss-cross,” was planned for a modest 234 meters. However, the building’s unique shape created an irregular grid on the building’s façade with an open center, a challenge for a structure that connected two separate buildings on a foundation in the middle of an earthquake zone.
Constructing 27,400 Pieces Safely and Quickly:
The building, centered with a curtainwall façade, required 27,400 pieces, all of untraditional shapes and sizes, to fit within an irregular structural frame totaling 100,000 square meters (~1.1 million square feet). In addition to the many pieces, the designer and the fabricator determined that the safest way to construct the many pieces into a “Z” shape was with “L” shaped joints, which were longer in vertical length than horizontal length.
The challenges mounted:
Irregular geometric pieces take longer to manufacture and install; safety for everyday use and within seismic conditions was paramount; and the international stage of the Olympics presented a hard, quickly-looming, deadline.
location: Beijing; China.
challenge: The buildings unique shape created an irregular grid on the buildin’s facade with an open centre, a challenge for a structure that connected two separate buildings on a foundation in the middle of an earthquake zone.
number of floors: 49 floors.
building height: 234 metres
structure: Shaped like a “Z criss cross” in Beijing’s central buisness district; with an earthquake zone.
products: GE SSG4400 UltraGlaze*, GE SSG4800J UltraGlaze*
(custom multi-part mixture), GE SCS2903 SilPruf*, Pensil 300
Excellent Technical Support and Sealant