Solution for underground obstacles in shield and propulsion construction methods.
This is a construction method that enables the exploration of underground obstacles, ground improvement, and cutting/removal from within shield machines and propulsion machines using a super high-pressure jet system.
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basic information
【Features】 ● Uses ultra-high pressure jets ● Composed of three systems: "Forward Exploration," "Ultra-High Pressure Ground Improvement," and "Cutting and Removal" ● Peace of mind ● Safety assurance ● Shortened construction period ● No traffic congestion ● Cost reduction *For more details, please contact us or download the catalog.
Price information
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Applications/Examples of results
1. Cutting and removal of underground obstacles 2. Underground connection to existing pipes 3. Crushing of boulders and coarse stones 4. Connection to existing structures 5. Protection of nearby structures 6. Ground improvement such as bit replacement for tunneling machines 7. Strengthening of ground reaction in sharp curve sections 8. Prevention of mud loss in anhydrous ground layers
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Company information
This research group was established on July 11, 2005, and as of July 2010, it has 19 regular members and 7 supporting members. The group will engage in various activities to facilitate close information exchange among members and promote the dissemination and technological advancement of the DO-Jet method.