Reconsideration on steel structure development in china

The recent development of steel structure as well as all kinds of the structural system adopted in China have been summarized.Such as long-span space structure system,high and super high-rise building structure system, lightweight steel structure system,tower structure system,bridge structure system.Moreover,we find the problems that were encountered in the steel structure.Therefore,we have carried on thorough investigation,study and consideration.Some instructive comments on the steel structure are put forward in the paper.