Ground improvement / lateral injection of ultra-high pressure water for ground cutting 'CJG method'
Using ultra-high pressure water, air, and curing materials, a cylindrical improvement body with a maximum height of 2 meters is created. It can accommodate construction depths of over 25 meters and is applicable to a wide range of soil types.
The CJG method involves cutting the ground by injecting ultra-high-pressure water mixed with air laterally from a rotating triple-pipe rod, while simultaneously filling with hardening material and discharging slime to the surface, thereby creating a cylindrical improved body. 【Applications】 ● Improvement of the base during excavation / Pre-embedded underground beams ● Prevention of subsidence for newly constructed roads ● Shield launch and arrival protection ● Reinforcement of tunnels ● Water stop reinforcement for gaps in earth retention work 【Features】 ● Capable of construction depths of over 25 meters and applicable to a wide range of soil types. ● Can achieve a maximum improvement diameter of 2.0 meters with a small drilling diameter. ● Excellent adhesion to earth retention walls and structures. ● Compact working equipment, offering excellent workability. ● Uses cement-based hardening materials, providing superior durability.
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Applications/Examples of results
【Applications】 ● Improvement of the base during excavation and pre-placed underground beams ● Prevention of subsidence for newly constructed roads ● Shield launch and arrival protection ● Reinforcement of tunnels ● Strengthening of water stopping in gaps of retaining structures
Company information
Since its establishment, our company has played a role in national construction, primarily focusing on the "ground improvement field" with our unique grouting method. Subsequently, in response to the changes in social infrastructure development, we have refined our technologies to adapt to the needs of the times and, at times, acquired new ones to expand our business scope. As a result, we have now established three main pillars: "ground improvement business," "slope disaster prevention business," and "pipeline business."
