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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...

TBM LAUNCH SITE SITE GEOLOGICAL IMPROVEMENT BY HIGH PRESSURE JET PILES Geological improvement technology of TBM launch/arrival sites 1. Project...

CROSS-SEA TUNNEL LINING LEAKAGE REMEDIATION WORK Construction joints, honeycombs and faulty concrete leakage and repair case. 1. Project Background A...