起重机生命周期载荷谱预测及基于疲劳寿命的结构优化设计
戚其松,李成刚,董青,陈钰浩,徐航

Prediction of load spectrum for crane life cycle and structural optimal design based on fatigue life
Qisong QI,Chenggang LI,Qing DONG,Yuhao CHEN,Hang XU
图5 起重机结构应力—时间历程(部分)
Fig.5 Stress-time history of crane structure (partial)