Double-wall cofferdam design construction of hero bridge.

Hero Bridge is an extraordinarily huge bride across northern branch Ganjiang River, in the city of Nanchang. Main tower adopted single column slanted pylon space twist face back cable structure. Its construction is based on double-wall cofferdam method. This literature introduces the design of double-wall cofferdam and key techniques in terms of platform underwater construction, which can be a reference for similar project. [ABSTRACT FROM AUTHOR]