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LEAKAGE REDUCTION GROUTING DURING TBM TUNNEL CONSTRUCTION. TBM tunneling complex leakage reduction grouting technology 1. Project Background After commencing TBM...

SEALING AND CONSOLIDATION GROUTING OF COLLUVIAL STRATA AT TUNNEL EXIT Exit Dual-tube double-packer grouting reinforcement technology for colluvial rock layer...

PIPE ROOF RESIN GROUTING FOR TUNNEL EXCAVATION Rapid pre-Support pipe roof grouting reinforcement technology 1. Prokect Background At a tunnel...

TUNNEL AUXILIARY SAFETY PASSAGE SEEPAGE REDUCTION GROUTING Composite grouting and seepage reduction technology for highly permeable rock formations 1 Project...

GROUT FILLING FLEXIBLE JOINTS BETWEEN TBM TUNNEL AND WORK SHAFT Void filling and plugging technology between tunnel structure interface and...

PROTECTIVE GROUTING FOR TUNNEL EXCAVATION IN FRACTURED ROCK FORMATION Pre-construction pipe-roof support grouting reinforcement 1. Project Background A tunnel was...