摘要
根据起重机载荷谱系数Ｋｐ与当量应力的关系，建立了起重机金属结构许用应力概率计算式。采用郑州机械研究所的疲劳试验数据，计算了三种典型焊接头的疲劳许用应力，指出了现有规范（ＧＢ３８１１－８３）中的某些不足之处。并结合现场实例计算，获得了较满意的结果。
A probabilistic approach of evaluating crane's metallic structure allowable stresses was proposed.Using fatigue data of tested by Zhengzhou Research Institute of Mechanical Engineering,a calculation of allowablestresses of three main kinds of welding joints for metallic structure of the crane was performed.Some shortcom-ings included in GB3811-83 were pointed out.
出处
《机械强度》
CAS
CSCD
北大核心
1994年第1期61-64,19,共5页
Journal of Mechanical Strength
基金
铁道部科研资助项目
关键词
起重机
结构
可靠性
许用应力
crane,structure, reliability,allowable stress
