摘要
介绍了晋焦公路小南寨两座隧道中采用小导管单液注浆法加固隧道塌方掉拱的施工技术和加固后的隧道开挖方法，采用该方法，节省投资，缩短工期，保证质量，取得了良好的效果。
The construction technique of small pipe grouting to prevent tunnel collapse and lining arch falling, and tunnel excavation method after grouting are, in this paper, introduced. The technique has such good advantages as saving investment, shortening time limit and ensuring construction quality.
出处
《石家庄铁道大学学报（自然科学版）》
1999年第S1期5-7,共3页
Journal of Shijiazhuang Tiedao University(Natural Science Edition)
关键词
隧道
塌方
小导管注浆
tunnel collapse small pipe grouting
