摘要
文章首先阐述了铁路桥梁设计横向刚度研究的重要性，并对列车脱轨的力学研究和刚度指标限定值的方法进行讨论，其后以实际工程为例，对铁路桥梁设计横向刚度指标限值进行分析研究，消除了运营的安全隐患，保证了列车运营安全。
Abstract
This paper first expounds the importance of the researchon the lateral stiffness of railway bridge design, and discusses themechanics study of train derailment and the method of limiting thestiffness index.Then, taking the actual project as an example, The limitvalue of lateral stiffness index of railway bridge design is analyzed andstudied, which eliminates the hidden trouble of operation and ensuresthe safety of train operation
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