摘要
摘要以铁营隧道塌方处理为例，介绍了大管棚注浆结合小导管注浆对塌方段岩体进行预加固，并顺利通过软岩隧道塌方段的施工方法。
Taking Tieying tunnel as an example, this paper introduces the pre-support technology of large-seale piperoof with small pipe grouting, and construction method passing through tunnel collapse area with this technology.
出处
《河北交通职业技术学院学报》
2006年第3期52-55,共4页
Journal of Hebei Jiaotong Vocational and Technical College
关键词
塌方
大管棚
注浆
软岩隧道
collapse
large scale piperoof
grouting
soft rock tunnel
