液氮冻结技术在隧道工作井二次封堵水中的应用

汪振伟，王星童

Application of Liquid Nitrogen Freezing Technology in Secondary  Watersealing of Working Shaft of Tunnels

WANG Zhenwei, WANG Xingtong

隧道建设 . 2012, (4): 576 -580 . DOI: 10.3973/j.issn.1672-741X.2012.04.026