Survey of structural steel used in major construction projects

Beginning with a brief survey of the development of China's steel structure industry, this paper gives an account of the requirements for and features of the structural steel applied in large construction projects by taking the National Stadium (Bird Nest) and the new CCTV tower and the new Guangzhou TV tower as examples, and presents new requirements for production in steel mills in light of the status of materials used for steel structures both at home and abroad and ends with suggestions on the selection of materials in designing. (AU)