吊车桁架铆接节点板疲劳强度验算

Fatigue Strength Computation of Gusset of Certain Crane Truss

利用有限元方法对某钢吊车桁架节点板进行了计算分析 ,并与现场实测应力结果进行了对比。在此基础上 ,确定了节点板疲劳计算应力。对钢吊车桁架的下弦节点板进行了疲劳强度验算 ,结果显示 。

The stress of a certain crane truss is analysed by FEM method,and the results of FEM are compared with the test results.The fatigue strength of gusset of bottom chord,which is sensitivity to fatigue,is calculated by FEM method.Fatigue strength checking computations are carried out for this crane truss.It is inclinable to danger when fatigue strength of gusset of this crane truss is calculated by pervasion angle.