[Vibration Mitigation Case Study] Ground Replacement Method "Columbus+"
Ground Replacement Method Columbus+
Traffic and Machine Vibration Countermeasures: Vibration reduction effects demonstrated in experiments by the Better Living Foundation.
【Ningyocho Mixed-Use Residential Building】―――――――――――――――――――――― Chuo Ward, Tokyo; Completed in July 2007; Steel frame, 4 stories; 65 m² ――――――――――――――――――――――――――――――――― 〈Situation〉 The property has a subway running underneath the building. 〈Effect〉 By adopting the Columbus+ method, vibrations that were previously felt have been eliminated. Due to the reduction in load, a 4-story steel frame building could be constructed. The Columbus+ method removes heavy soil beneath the foundation and replaces it with lightweight and durable geofoam, thereby reducing the building load on the ground.
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Applications/Examples of results
【Uses】 ○ Different sinking countermeasures ○ Earthquake measures (vibration reduction) ○ Traffic and factory machinery vibration countermeasures ○ Liquefaction countermeasures ○ When it is difficult to bring in large equipment in narrow spaces ○ When piles cannot be driven due to underground obstacles ○ When wanting to avoid troubles with buried objects like piles during or after the return of leased land ○ Energy-saving foundation insulation (frost heave prevention effect) ○ When wanting to avoid excavation surveys in designated archaeological areas If you have any difficulties where other methods are hard to apply, please contact us. 【Track Record】 ○ General housing ○ Commercial facilities ○ Nursery schools and kindergartens ○ Public institutions ○ Medical and welfare facilities ○ Factories and offices ○ Apartment buildings, etc. 4,000 cases nationwide (as of August 2020) For more details, please contact us.
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Our company specializes in the "Ground Replacement Method Columbus+" which is resistant to earthquakes, differential settlement, traffic vibrations, and liquefaction. We have offices and agents across the country, and our representatives will visit you to provide explanations. Estimates are also free, so please feel free to contact us.