结合发生过脱轨事故的桥梁，定性分析了桥梁横向刚度对列车脱轨的影响。
Due to train derailments on Bridges, influence on train derailment on bridge caused by bridge lateral rigidity is analyzed.
基于列车脱轨能量随机分析理论，提出新的铁路桥梁横向刚度限值分析方法。
Based on energy random analysis theory for derailment, a new method for analyzing the limit value of bridge lateral rigidity for derailment prevention is established.
该方法确定的桥梁横向刚度限值既能保证列车平稳舒适运行，又可防止脱轨。
The lateral rigidity limit values determined by the new method can ensure trains to run on Bridges with smoothness and comfort, and also can prevent derailment.
基于列车脱轨能量随机分析理论，提出了预防列车脱轨的桥梁横向刚度限值分析方法。
Based on energy random analysis theory for derailment, a new method to analyze the limit value of bridge lateral rigidity for derailment prevention is established.
基于列车脱轨能量随机分析理论，提出了预防列车脱轨的桥梁横向刚度限值的制定方法。
Based on theory of random energy analysis of train derailment, a new method was put forward to establish the limit value of bridge lateral rigidity with which derailment on Bridges can be prevented.
本文以列车脱轨能量随机分析理论为基础，提出了制定预防列车脱轨的桥梁横向刚度限值的新方法。
On basis of energy random analysis theory for derailment, a new method is presented with which the limit value of bridge lateral rigidity for preventing derailment can be established.
中等跨度铁路桥梁在提速货车作用下，普遍出现横向刚度不足，横向振动超限问题，严重影响了运营安全和提速计划的顺利实施。
The transverse stiffness of medium-span railway bridge becomes insufficient and its transverse vibration becomes larger commonly under the raised speed freight train.
中等跨度铁路桥梁在提速货车作用下，普遍出现横向刚度不足，横向振动超限问题，严重影响了运营安全和提速计划的顺利实施。
The transverse stiffness of medium-span railway bridge becomes insufficient and its transverse vibration becomes larger commonly under the raised speed freight train.
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