分析了北京地下直径线隧道内刚性接触网施工关键技术,为今后制定合理的运行监控和维修策略提供理论依据,也为业内刚性接触网的设计、施工提供参考.%The paper analyzes the key construction technology for rigid suspension catenary inside Beijing Underground Diameter Line, providing the theoretical basis for establishing rational operation control and maintenance strategy, also providing the references for design and construction of rigid suspension catenary in this field.
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