摘要
本文定量化分析了疲劳指数对起重机载荷谱系数、工作级别和结构疲劳许用应力的影响。根据分析和计算结果，作者认为疲劳指数值对起重机工作级别划分和结构疲劳许用应力值的影响很大，《起重机设计规范》中取疲劳指数为３是不太合理的。
In this paper,the influence of the fatigue exponent on the load spectrum factorand the work class as well as the structure fatigue admissable stress of cranes is analyzedquantitativly. According to the results,the authors think that the fatigue exponent effectsremarkably on the work class and the structtire fatigue admissable stress,and that″DesignRules for Cranes″select the fatigue exponent as 3 is not reasonable,and propose that thefatigue exponent be studied when the design rules are revised.
出处
《太原重型机械学院学报》
1994年第4期362-365,共4页
Journal of Taiyuan Heavy Machinery Institute
