EMERGENCY GROUT PLUGGING OF SOIL RETAINING PILES, WATER AND SAND INRUSH Instant & retarded composite water-stop grouting technology 1. Project Background When the basement of a project was excavated to about GL-7.0m, water and sand inrush suddenly appeared on the excavation surface and at the gaps between some retaining piles.The construction crew tried manual packing
BITUMEN CONCRETE HIGHWAY SUBGRADE FILLING AND REINFORCEMENT TECHNOLOGY Highway Interchange Road Surface Subsidence and Fracture Repair 1. Project Background The subgrade below the pavement of a highway interchange was interbedded with sandstone blocks and sand shale, with an RQD of about 35-60%, and there were developed joints and fissures. Both sides of this area were
SEISMIC REINFORCEMENT OF BUILDING ON SLOPING SITE AND REINFORCEMENT OF SURROUNDING FACILITIES Filling and grouting of collapsed layer and reinforcement by micro-pile 1. Project Background A public building was located on sloping seaside land. The geological conditions of the property included colluvial rocky mass with pebbles below, and interbedded sand and shale below that. This
Grouting Engineering Common Terms English/Chinese Glossary ENGLISH TAIWAN 中文 A accelerating agent 速凝劑 acid and alkali resistant coating 耐酸鹼塗料 acrylic 壓克力 acrylic resin 壓克力樹脂 acrylic resin waterproof coating 壓克力樹脂防水塗料 adhere; bond 黏合 adjacent 鄰近 adjacent 鄰近 adjacent buildings 鄰近建築物 advance prevention 事先預防 aeration tank 曝氣池 air compressor 空壓機 airport runway consolidation 機場跑道固結 airport runway subsidence lifting 機場道班沉陷上抬 alkaline 鹼性 angle of elevation 仰角 arch dam 拱壩 argillaceous sandstone 泥質砂岩 artificial freezing 人工凍結 as scheduled; on time 如期 assembly line
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 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.
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 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 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 : 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