A risk cost model that include the loss caused by structure fatigue is established based on the traditional model. The model is an improvment for the traditional risk cost model.

• 在传统风险损失模型的基础上研究了由于损伤造成结构功能未充分发挥导致的风险损失,建立了包括损伤项在内的风险损失模型,是对传统风险损失模型的有益完善和补充。