pregrouting

常见例句

The application of repairing soft rock-tunnel by pregrouting is introduced.
介绍了注浆技术在软岩巷道修复施工中的应用。
The ground pregrouting and pipe-roof protection method have been adopted to treat the soft wall rocks of shallow depth near the portal of Wulong tunnel in Yuhuai railway.
摘要采用地表预注浆和管棚超前预支护技术，对渝怀铁路武隆隧道进口段的浅埋、软弱围岩进行处理。
Keywords pregrouting at face;sandstone;aquifer;
工作面预注浆;砂岩;含水层;
Keywords shaft;grouting hole;face pregrouting;
井筒;注浆孔;工作面预注浆;
Practice on Concret Pregrouting at Nappe Water Bearing Face
井筒过推覆体含水层段工作面预注浆实践
water prevention and control technology with pregrouting
预注浆防治水技术