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
Grouting : Sloping Site Building Raft Foundation Water Inrush Hot Bitumen Repair Technology
GROUTING : SLOPING SITE BUILDING RAFT FOUNDATION WATER INRUSH HOT BITUMEN REPAIR TECHNOLOGY The Technology for Serious Water Leakage in Foundation Slab and Side Walls of Building on Sloping site. 1. Project Background There were two high-rise SRC buildings in a large-scale hillside development project. Four basements were fully excavated, and the foundation was situated
Leak Stopping Method for Deep Pit Excavation with a Large Volume Water Inrush
LEAK STOPPING METHOD FOR DEEP PIT EXCAVTION WITH A LARGE VOLUME WATER INRUSH. Water inrush stop hot bitumen grouting technology for sedimentary soil layer excavation site. 1.Project Background The site is adjacent to the MRT main line and elevated roads, and it was being constructed by the Top-Down method, with 6 basements. When excavating the
Grouting Reinforcement & Mud-Spray Treatment for Airport Taxiway
GROUTING REINFORCEMENT & MUD-SPRAY TREATEMENT FOR AIRPORT TAXIWAY Method for filling & strengthening ground beneath paving slabs 1. Project Background Grouting Reinforcement : In the rainy season, an airport taxiway had serious mud spray from expansion joints and paving slab cracks. In order to avoid hazards such as foundation hollowing and subsidence under the concrete
Water Inrush Blocking Technology for Tunnel Access Shaft Sidewall
WATER INRUSH BLOCKING TECHNOLOGY FOR TUNNEL ACCESS SHAFT SIDEWALL Method to stop water inrush in shaft excavation. 1. Project Background Water Inrush : When a drainage tunnel was being excavated near the bottom of an access shaft, an inrush of high-pressure fissure water was encountered at the rock formation/fracture zone joint plane. The water output