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介绍了长大隧道接触网接地设置情况,针对未预埋接地体的长大隧道,以工程实例的形式,初步探讨了长大隧道接触网接地的补救措施。
This paper introduces the setting of catenary grounding in long and large tunnels. In the case of long and large tunnels without embedded grounding body, the remedial measures of the grounding of catenary in long tunnels are discussed in the form of engineering examples.