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The results show that the effects of initial velocity, acceleration or deceleration and vehicle shifting position should be considered comprehensively to analyze the influence on dynamic responses of bridges due to trains with variable speeds. It is also found that the peak value of vehicle body acceleration responses usually increases in accelerated motion, while it decreases in decelerated motion compared with that in uniform motion.
结果表明要分析列车变速行驶对桥梁动力响应的影响,必须把列车初速度、加速度以及变速位置等因素综合起来考虑;一般情况下,与匀速运动相比,加速运动中的车体加速度响应峰值增大,减速运动中的车体加速度响应峰值减小。
参考来源 - 高速列车通过桥梁时的变速效应和振动控制研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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