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本文采用有限单元法对蒸汽机车作用下铁路钢桥的冲击系数进行数值计算。计算所得的响应历程曲线和实测曲线基本吻合,桥梁冲击系数的计算值与实测值接近。
In this paper, the finite element method is used to calculate the impact coefficient of railway steel bridge under the action of steam locomotive. The calculated response curve is basically consistent with the measured curve, the calculated value of bridge impact coefficient is close to the measured value.