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基于电气化铁路接触网的防护特点,借鉴以往临近既有铁路施工经验,总结阐述客运专线大跨度连续梁多次跨越既有电气化铁路施工时需要特殊考虑的因素和要点,并结合本工程的实际情况,从施工准备、接触网防护的要求及解决方案、需要封锁铁路作业的项目及施工安全的把控重点等几个方面作出总结。通过实践,重点提到的几个方面在实际施工中成功应用,取得良好效果。
Based on the protective characteristics of the electrified railway catenary and drawing lessons from the past experiences of the existing railway construction, this paper summarizes the factors and key points that need to be specially considered when the long-span continuous beam of passenger dedicated line crosses the existing electrified railway. Based on the actual situation of this project , From the preparation of construction, the requirements and solutions for the protection of catenary, the project requiring railway blockade and the control of construction safety are summarized. Through practice, several aspects mentioned in the key points have been successfully applied in practical construction and have achieved good results.