Polyurethane Resin Grouting Technology to Prevent Leakage
POLYURETHANE RESIN GROUTING TECHNOLOGY TO PREVENT LEAKAGE AND TO REINFORCE Building basement side wall seepage prevention project 1. Project Background A science and technology building in Taipei City had adopted a two-wall-in-one design without double walls. Large-scale long-term water seepage and severe water damage occurred in the side walls and drainage channels of the second
Ground Improvement on The Back Side of Retaining Columns Case Study
GROUND IMPROVEMENT ON THE BACK SIDE OF RETAINING COLUMNS CASE STUDY Double packer grouting and water-stop reinforcement technology for gravel layer 1. Project Background Ground Improvement : The newly constructed foundation for a hospital has a gravel layer mixed with layers of silt sand, and retaining columns with steel supports used as a retaining facility.
Grouting Reinforcement : Marine Riprap Cofferdam Composite Water-Stopping Reinforcement Grouting
MARINE RIPRAP COFFERDAM COPOSITE WATER-STOPPING REINFORCEMENT GROUTING Coastal curtain grouting technology 1. Project Background With the addition of generating units at a coastal thermal power plant, it was planned to build a large aeration tank and waste water cooling discharge channel between two riprap seawalls. Due to engineering needs, a closed impervious cofferdam had to
Grouting : MRT Integrated Structure Building Connection Interface Leak-Stop Case
GROUTING : MRT INTEGRATED STRUCTURE BUILDING CONNECTION INTERFACE LEAK-STOP CASE Elastomeric resin high pressure grouting and leak-proofing technology 1.Project Background A civic building was constructed with an MRT station as an integrated structure. During the construction process, it was found that different degrees of water inrush occurred at the interface between the building and the
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