Research on Key Technology of Grouting Reinforcement for Water Sealing of Karst Tunnel
CHENG Qiang-qiang1,2
1.School of Resource and Earth Science, China University of Mining Technology, 221116, Xuzhou, Jiangsu, China; 2.Jiangsu Vocational Institute of Architectural Technology, 221116, Xuzhou, Jiangsu, China
Abstract：
A large tunnel pass through water-rich karst areas. Causes of sudden water gushing accident were analyzed combined with topography, lithology, geological structure, hydrogeological and engineering geological conditions of the tunnel, key technology of grouting reinforcement with pore-forming for once a time and segmented grouting were used innovatively. Monitoring results showed that the technology of grouting reinforcement had good effect, as well as overcome the shortcomings of repeatedly sweeping holes, improved the efficiency of construction greatly, saved construction time.
CHENG Qiang-qiang1,2. Research on Key Technology of Grouting Reinforcement for Water Sealing of Karst Tunnel[J]. Architecture Technology, 2017, 48(3): 230-.
