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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...

UNDERGROUND CULVERT SUBSIDENCE AND DISLOCATION REPAIR Grouting and structural reconstruction technology for underground pipeline 1. Project Background An underground drainage...

REINFORCEMENT TREATMENT OF UNDER-CONSTRUCTION TUNNEL COLLAPSE Tunnel collapse and water inrush grouting reinforcement technology 1. Project Background During the excavation...