Structural reinforcement : Curved Section of Reservoir Discharge Channel Lining Repair Case
STRUCTURAL REINFORCEMENT : CURVED SECTION OF RESERVOIR DISCHARGE CHANNEL LINING REPAIR CASE Special tunnel damaged steel liner repair method 1. Project Background Structural reinforcement :A reservoir discharge channel suffered serious damage to the lining of a curved section after a period of use. In order to avoid the expansion of tunnel damage during the upcoming
Grouting : Reservoir Cofferdam Water-Stop Reinforcement Grouting Case
GROUTING : RESEVOIR COFFERDAM WATER-STOP REINFORCEMENT GROUTING CASE Cofferdam water-stop reinforcement composite grouting technology 1. Project Background For a hydroelectric power plant to add a generator, an independent water inlet needed to be added in the reservoir. Since the reservoir still needed to maintain its normal water storage function during the construction process, the design
Grouting : Water Tunnel Lining Damage Repair Grouting Case
WATER TUNNEL LINING DAMAGE REPAIR GROUTING CASE RC tunnel fracture deformation grouting and steel lining repair technology 1. Project Background A pedestrian underpass experienced serious water leakage after being used for a period of time. The maintenance unit installed a water deflector at the location to drain the leaking water. However, due to blockage by
Reinforcement : Long-Term Seepage Treatment in Underground Walkway
REINFORCEMENT : LONG-TERN SEEPAGE TREATMENT IN UNDERGROUND WALKWAY Seepage sealing reinforcement technology for underground passage 1. Project Background A pedestrian underpass experienced serious water leakage after being used for a period of time. The maintenance unit installed a water deflector at the location to drain the leaking water. However, due to blockage by calcium carbonate
Grouting Improvement Technology to Protect Close Proximity Ground Structure
GROUTING IMPROVEMENT TECHNOLOGY TO PROTECT CLOSE PROXIMITY GROUND STRUCTURE Protection of vertical shaft caisson construction adjacent to unerground tunnel 1.Project Background Grouting Improvement : Bangkok, Thailand’s capital, is extremely waterlogged during the rainy season.In recent years, the BMA Flood Protection Tunnel Project had been constantly promoting the building of large underground drainage tunnels in Bangkok
Reinforcement Technology for Complex Dam Leakage
REINFORCEMENT TECHNOLOGY FOR COMPLEX DAM LEAKAGE Dam structure grout leak-proofing 1. Project Background A dam spillway gate rail groove, diversion pier wall, sand discharge channel water retaining end wall, etc., had different forms and scales of leakage. In order to maintain the long-term use safety of the dam, the management unit had specially compiled a
Grout Curtain Reinforcement Technology In Reservoir Water Tunnel Fractured Rock Zone
GROUT CURTAIN REINFORCEMENT TECHNOLOGY IN RESERVOIR WATER TUNNEL FRACTURED ROCK ZONE Stratum Grout Curtain Reinforcement 1. Project Background Grout Curtain : An additional water conveyance tunnel at a reservoir was connected to an existing water diversion tunnel.In the inclined pipe section, there was a region of about 9.5m of fractured rock, and joints had developed.
Grouting Repair for Pool Leakage
GROUTING REPAIR FOR POOL LEAKAGE Swimming pool damage investigation and repair technology 1. Project Background After a university swimming pool was in use for a period of time, localized cracking, water leakage, and mud inflow around the water inlet occurred. In order to restore the swimming pool to normal use as soon as possible, the
Reinforcement Repair – Airport Taxiway Subsidence Composite
REINFORCEMENT REPAIR-AIRPORT TAXIWAY SUBSIDENCE COMPOSITE The most effective way to improve and reinforce airport taxiway pavement subsidence 1. Project Background After a period of use, an airport taxiway experienced localized continuing subsidence, resulting in flexible pavement cracking.In order to prevent accidents, the operators, especially invited industry experts to study repair countermeasures. The airport was not
Grouting : Water Stop Reinforcement of Ground Strata at MRT Station
GROUT : WATER STOP REINFORCEMENT OF GROUND STRATA AT MRT STATION TBM ARRIVIAL ABANDONED SHELL SECION Confined space double-tube grouting case 1. Project Background Grouting : A TBM was digging to the front of a diaphragm wall of a new MRT tunnel underground station. Due to the complex ground strata conditions and the abnormal pressure