摘要
通常国内无碴轨道设计中不进行疲劳损伤设计,而实际情况中道床板结构承受轮轨垂向力荷载等循环荷载作用,极有可能在其使用年限内产生疲劳损伤,故对道床板的疲劳损伤及其使用寿命进行研究有着非常重要的意义.本文主要阐述了利用S-N曲线(又称Wholer曲线)法对国内设计中24 m单孔箱梁上Rheda2000型无碴轨道道床板进行疲劳寿命预测分析.
The design of ballastless track usually does not consider the influence of the structure fatigue in our country. Actually, the ballastless track slab structure bears the cycle force influence, such as vertical force from the wheel and so on. It is possible that fatigue destroy will occur in during its using age. So, it is important to research the fatigue damage and life of the slab. This paper mainly analyse the fatigue life of the Rheda2000 ballastless track slab on the 24 m alone hole bridge of the design by the method of S - N curve （ Wholer curve）in our country.
出处
《南华大学学报（自然科学版）》
2010年第2期108-112,共5页
Journal of University of South China：Science and Technology
