摘要
所谓小导管注浆加固地层技术,指的就是顺着隧道开挖轮廓线外,并纵向往前倾斜设置注浆管,同时把浆液注入进去以起到止水与超前加固围岩的效果,当然还具有超前管棚预支护效用。
The so-called small duct grouting consolidation technology refers to the tunnel excavating followed contour line, and the setting grouting pipe longitudinal inclined forward, putting the slurry injection into the water and lead to the effect of surrounding rock reinforcement, but also has advanced shed pipe support utility.
出处
《城市建筑》
2013年第22期82-82,共1页
Urbanism and Architecture
关键词
小导管注浆
施工技术
浅埋暗挖
隧道工程
small duct grouting
construction technology
shallow-buried excavation
tunnel engineering
