既有接触网七跨分相改八跨分相施工技术探讨

Discussion on OCS Construction Technology for Modification of Existed 7-span NeutralSection into 8-span Neutral Section

结合包西线牵引供电设施改造工程施工实践,分析既有接触网七跨分相改八跨分相深层次原因,针对包西线客货运行情况,明确改造施工范围,提出可行的改造施工方案,并对改造施工方案的优势及创新点进行分析,全面总结了施工经验,希望为类似工程提供参考。

With reference of construction practices for reconstruction project of traction power supply facilities of Baotou-Xi’an railway,the paper analyzes the underlying causes for modification of existed OCS 7-span neutral section into 8-span neutral section,and with regard to the passenger and freight traffic status on Baotou-Xi’an railway,defines clearly the reconstruction scope,proposes the feasible reconstruction scheme,analyzes its advantages and innovation points,summarizes thoroughly the construction experience,hoping to provide references for the similar projects in the future.