Thereby, in order to avoid occurring the accident and extortionate reconstructed expense, it is necessary for us to research repairing and reinforcement of fatigue damage in RC structure.

• 因此，为了避免这类事故的发生，也为了避免重建的高昂费用，有必要对已有疲劳损伤的钢筋混凝土结构进行补强和加固的研究。