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本文概述了在运营荷载下,有关于铁路桥梁动应力的重要理论和试验成果,给出了几座桥梁的实测列车轴重和结构应力,提出了建立铁路桥梁应力谱及在运营荷载下估计铁路钢桥疲劳寿命的方法.
This paper summarizes the important theories and experimental results on the dynamic stress of railway bridges under operating loads and gives the measured axle load and structural stresses of several bridges. It is proposed that the stress spectra of railway bridges should be established and the railway Steel bridge fatigue life method.