米花岭隧道施工(进口)供配电方案

POWER SUPPLY AND DISTRIBUTION SCHEME DURING CONSTRUCTION AT ENTRANCE OF MIHUALING TUNNEL

本文提供了南昆铁路米花岭隧道进口端供电设计的一整套方案， 作为我国各种隧道开掘及配套技术设计中的一项尝试， 具有总结价值。

The paper proposes a complete set of scheme for power supply and distribution at the entrance of the Mihualing Tunnel on Nan Kun Railway during construction.It provides an attempt to be a kind of complete set technical design for excavating different kinds of tunnels in China,and may be summarized as reference.