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Experimental study about influence of jacking of underground passage structure on dynamic performance of existing track
Author(s): 
Pages: 86-87
Year: Issue:  4
Journal: RAILWAY ENGINEERING

Keyword:  轨道地道桥顶进法便梁安全性;
Abstract: 为保证地道桥顶进过程中上方便梁轨道的列车安全运行,必须对列车通过时既有轨道动态特性进行全面检测.试验的三个阶段为限速阶段、制动阶段、监测阶段,试验内容包括轨道脱轨系数、轮重减载率、轨距弹性挤开量等.根据试验结果,分析地道桥顶进法对既有轨道动态特性的影响,同时全过程监控行车安全,为以后地道桥顶进施工时提高列车限速提供重要参数.
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