对于长大隧道独头掘进,通风排烟是重要课题,有轨运输具有装碴能力强、污染小等优点,本文详尽地阐述了正在施工的我国最长的铁路隧道有轨运输施工,采用的技术标准高,设备先进,并侧重调车操作。

For the sing le-end tunnelling o f the ex t ra-lo ng tunnel, the smoke sx haust and the v enti la tio n a re the impo rta nt problems. The tunnelling wi th rail transport has the adv antages o f stro ng disposal-co nveying capaci ty , small po llution, etc. The lo ng est rai lw ay tunnel in China is now in the co urse o f const ruction wi th the rai l t ranspo rt. Its hig h technical standard and the adva nced equipments, especially co ncerned w ith i ts dispa tching o peratio ns, are ex pounded in detail in thi s paper.