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Construction method Product List

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Ground improvement measures are possible with the ground replacement method "Columbus+" / Commercial facility case study.

Ground improvement measures are possible with the ground replacement method "Columbus+" / Commercial facility case study.

Powerful against weak ground! Strong against earthquakes, differential settlement, and traffic vibrations, and also excellent for underfloor insulation.

【Example of au Shop Minto-ya】―――――――――――――――――――― Unnan City, Shimane Prefecture; Construction in February 2012; Steel frame, one-story building; 300m2 / 30-year lease. In the case of piles, removal by extraction is a condition. Adopted to reduce removal costs. ――――――――――――――――――――――――――――――――― The ground replacement method "Columbus+" provides double benefits of differential settlement countermeasures and seismic resistance, making it effective against earthquakes and liquefaction. It is recommended for ultra-soft ground, pile foundations, friction pile foundations, designated archaeological areas, underground obstacles, periodic leases, vibration countermeasures, and earthquake countermeasures. By removing the heavy soil beneath the foundation and replacing it with lightweight EPS (expanded polystyrene) "Geoform," the weight of the building on the soft ground is reduced, thus minimizing settlement. Furthermore, it balances with the ground to prevent differential settlement, ensuring safety even on ultra-soft ground with deep support layers. For more details, please contact us or download the catalog.

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Ground improvement measures are possible with the ground replacement method "Columbus+" / Case study of welfare facilities.

Ground improvement measures are possible with the ground replacement method "Columbus+" / Case study of welfare facilities.

Powerful against weak ground! Strong against earthquakes, differential settlement, and traffic vibrations, and also excellent for underfloor insulation.

【Small-scale multifunctional home care facility】―――――――――――――――――― Nagato City, Yamaguchi Prefecture・Construction completed in February 2012・Wooden single-story building・467 square meters / Cost reduction compared to pile foundations. ――――――――――――――――――――――――――――――――― The ground replacement method "Columbus+" provides dual benefits of countermeasures against differential settlement and seismic resistance, making it a method that is strong against earthquakes and liquefaction. It is recommended for ultra-soft ground, pile foundations, friction pile foundations, designated archaeological areas, underground buried obstacles, leased land, vibration countermeasures, and earthquake countermeasures. By removing the heavy soil beneath the foundation and placing lightweight EPS (expanded polystyrene) "Geoform" in its place, the weight of the building on the soft ground is reduced, thereby suppressing settlement. Furthermore, it balances with the ground to prevent differential settlement, where the building tilts and sinks, ensuring safety even on ultra-soft ground with deep support layers. For more details, please contact us or download the catalog.

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Different subsidence countermeasures: Ground replacement method "Columbus+"

Different subsidence countermeasures: Ground replacement method "Columbus+"

"Super soft ground" can be handled even with an N value of "0"!

【(Foundation) Better Living's experiment has demonstrated the effectiveness of vibration reduction】 【The Hokkaido Northern Architecture Comprehensive Research Institute has verified and evaluated the insulation and frost prevention effects】 【Patent construction method】 The ground replacement method "Columbus+" removes heavy soil beneath the foundation and replaces it with lightweight and compression-resistant "Geoform," reducing the weight of the building on soft ground and suppressing settlement. Furthermore, it balances with the ground to prevent uneven settlement that causes the building to tilt and sink. It is safe even on extremely soft ground with deep support layers. ○ Pre-cut Geoform is delivered according to the construction drawings. ○ We guarantee damages to the foundation and building due to uneven settlement. Up to 50 million yen for 10 years. ○ A track record of 4,000 cases nationwide, from public projects to private homes (as of August 2020). ○ Offices and agents are expanding nationwide. A local representative will visit to explain. ○ Estimates are free of charge. ○ For more details, please contact us or download the catalog.

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Buried Cultural Property Preservation Measures - Ground Replacement Method "Columbus+"

Buried Cultural Property Preservation Measures - Ground Replacement Method "Columbus+"

If you wish to avoid excavation surveys for buried cultural property sites, please consult us.

【Verification of vibration reduction effectiveness demonstrated in the Better Living Foundation experiment】 【Insulation and frost heave prevention effects demonstrated and evaluated at the Hokkaido Northern Architecture Comprehensive Research Institute】 【Patent construction method】 The ground replacement method "Columbus+" removes heavy soil beneath the foundation and replaces it with lightweight and compression-resistant "Geoform," reducing the weight of buildings on soft ground and mitigating settlement. Additionally, compared to other ground improvement methods, the depth of the improved ground may be "shallower." Utilizing this feature, if you inform us of the excavation depth that can avoid archaeological surveys in buried cultural property areas when requesting a quote, we will consider conducting ground improvement within that range as much as possible. ○ Pre-cut Geoform will be delivered according to the construction drawings, making installation easy. ○ We guarantee protection against damage to foundations and buildings due to differential settlement for 10 years, up to a maximum of 50 million yen. ○ A track record of 4,000 projects nationwide, from public works to private residences (as of August 2020). ○ We are expanding offices and agents nationwide. A local representative will visit to provide an explanation. ○ Quotes are free of charge.

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Subsurface Obstruction Countermeasure: Ground Replacement Method "Columbus+"

Subsurface Obstruction Countermeasure: Ground Replacement Method "Columbus+"

[Underground Obstruction Countermeasures] Can accommodate underground obstructions such as rubble and existing piles!

【(Foundation) Better Living's experiment has demonstrated the effectiveness of vibration reduction】 【The Hokkaido Northern Architecture Comprehensive Research Institute has verified and evaluated the insulation and frost prevention effects】 【Patent construction method】 The ground replacement method "Columbus+" removes heavy soil beneath the foundation and replaces it with lightweight and compression-resistant "Geoform," reducing the weight of buildings on soft ground and suppressing settlement. Additionally, the Columbus+ method can accommodate underground obstructions such as rubble and existing piles, which are difficult for other ground improvement methods to handle. It is sufficient to remove only the rubble in contact with the Columbus+ method, and existing piles can be left in place as long as the contact areas are removed. ○ Pre-cut Geoform will be delivered according to the construction drawings, making installation easy. ○ We guarantee no damage to the foundation or building due to differential settlement. For 10 years, up to 50 million yen. ○ A track record of 4,000 projects nationwide, from public properties to general residences (as of August 2020). ○ We are expanding offices and agents nationwide. A local representative will visit to provide an explanation. ○ Estimates are free of charge.

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Soft ground improvement measures are possible: Ground replacement method "Columbus+" case study of collective housing.

Soft ground improvement measures are possible: Ground replacement method "Columbus+" case study of collective housing.

Powerful against weak ground! Strong against earthquakes, differential settlement, and traffic vibrations, and also excellent for underfloor insulation.

[K Residence] ———————————————————— Koriyama City, Fukushima Prefecture; Construction completed in April 2012; Wooden two-story building; 205 m² / Although shallow improvement methods and costs were listed, the added value was recognized and adopted. —————————————————————————— The ground replacement method "Columbus+" provides a dual effect of countering differential settlement and seismic resistance, making it a method that is strong against earthquakes and liquefaction. It is recommended for ultra-soft ground, pile foundations, friction pile foundations, designated archaeological areas, underground obstacles, periodic land leases, vibration countermeasures, and earthquake measures. By removing the heavy soil beneath the foundation and placing lightweight EPS (expanded polystyrene) "Geoform" in its place, the weight of the building on the soft ground is reduced, helping to suppress settlement. Furthermore, by balancing with the ground, it prevents differential settlement where the building tilts and sinks, ensuring safety even on ultra-soft ground with deep support layers. For more details, please contact us or download the catalog.

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Tohoku Earthquake Investigation in Iwaki City, Fukushima Prefecture - Ground Replacement Method "Columbus+"

Tohoku Earthquake Investigation in Iwaki City, Fukushima Prefecture - Ground Replacement Method "Columbus+"

The seismic performance was confirmed even for the earthquake of the Great East Japan Earthquake.

【Iiwaki Chubu Izumi Branch】―――――――――――――――――――――― Iiwaki City, Fukushima Prefecture; construction completed in December 2009; two-story steel structure; 399 m² / seismic intensity of 6 weak (main shock, two aftershocks) ――――――――――――――――――――――――――――――――― 【Staff Interview】 It was a strong tremor, but compared to ordinary houses, the shaking seemed to be less severe. The only issue was some wrinkling in the corner wallpaper. 〈Exterior Condition〉 The building was operating without any issues at the time of inspection. There were no cracks in the exterior walls or foundation. There was also no breakage in the glass openings. It was confirmed that there were no problems. 【Surrounding Area Check】 The surrounding roads had cracks, and nearby block walls had collapsed.

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Columbus+ Method: Ground Replacement Technique Resistant to Liquefaction

Columbus+ Method: Ground Replacement Technique Resistant to Liquefaction

Strong against liquefaction! Its effectiveness was confirmed even during the Great East Japan Earthquake!

【(Foundation) Better Living's experiment has demonstrated the effectiveness of vibration reduction】 【The Hokkaido Northern Architecture Comprehensive Research Institute has verified and evaluated the insulation and frost prevention effects】 【Patent construction method】 The ground replacement method "Columbus+" removes heavy soil beneath the foundation and replaces it with lightweight and compression-resistant "Geoform," reducing the weight of buildings on soft ground and suppressing settlement. Additionally, as a unique liquefaction countermeasure, "Foamed Drainage Material" is used as a standard. The "Foamed Drainage Material" effectively adjusts and dissipates excessive pore water pressure. Its effectiveness was confirmed during the Great East Japan Earthquake. ○ Geoform, precut according to construction drawings, is easy to install. ○ We guarantee damages to foundations and buildings caused by differential settlement, for up to 10 years and a maximum of 50 million yen. ○ We have a track record of 4,000 projects nationwide, from public properties to general residences (as of August 2020). ○ We are expanding offices and agents nationwide. Local representatives will visit to provide explanations. ○ Estimates are free of charge. ○ For more details, please contact us or download the catalog.

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Traffic and machinery vibration countermeasures: Ground replacement method "Columbus+"

Traffic and machinery vibration countermeasures: Ground replacement method "Columbus+"

Traffic and machine vibration countermeasures: Vibration reduction effects demonstrated in experiments by the Better Living Foundation.

【(Foundation) Better Living's experiment has demonstrated the effectiveness of vibration reduction】 【The Hokkaido Northern Architecture Comprehensive Research Institute has verified and evaluated the effects of insulation and frost prevention】 【Patent construction method】 The ground replacement method "Columbus+" removes heavy soil beneath the foundation and replaces it with lightweight and compression-resistant "Geoform," reducing the weight of the building on soft ground and suppressing settlement. Furthermore, both "Geoform" and "foam drainage material" have a vibration reduction effect. The effectiveness of this vibration reduction has also been demonstrated in experiments by (Foundation) Better Living. ○ Pre-cut Geoform will be delivered according to the construction drawings, making installation easy. ○ We guarantee protection against damage to the foundation and building due to differential settlement, for up to 10 years and a maximum of 50 million yen. ○ We have a track record of 4,000 projects nationwide, from public properties to general residences (as of August 2020). ○ We are expanding offices and agents nationwide. Local representatives will visit to provide explanations. ○ Estimates are free of charge. ○ For more details, please contact us or download the catalog.

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Narrow Land Solutions: Ground Replacement Method "Columbus+"

Narrow Land Solutions: Ground Replacement Method "Columbus+"

【Narrow Site Solutions】Can accommodate even in narrow sites where the entry of pile drivers and ground improvement machines is difficult!

【(Foundation) Better Living's experiment has demonstrated the effectiveness of vibration reduction】 【The Hokkaido Institute of Northern Architecture has verified and evaluated the insulation and frost prevention effects】 【Patent construction method】 The ground replacement method "Columbus+" removes heavy soil beneath the foundation and replaces it with lightweight and compression-resistant "Geofoam," reducing the weight of buildings on soft ground and minimizing settlement. Additionally, in urban areas where land is limited, it can be difficult to bring in large equipment such as pile drivers and ground improvement machines. The Columbus+ method does not require large machinery. ○ Geofoam that has been pre-cut according to construction drawings is easy to install. ○ We guarantee protection against damage to foundations and buildings due to differential settlement for 10 years, up to a maximum of 50 million yen. ○ A track record of 4,000 projects nationwide, from public properties to private homes (as of August 2020). ○ We are expanding offices and agents nationwide. Local representatives will visit to provide explanations. ○ Estimates are free of charge. ○ For more details, please contact us or download the catalog.

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Environmental Measures Ground Replacement Method "Columbus+"

Environmental Measures Ground Replacement Method "Columbus+"

[Environmental Measures] The thermal insulation of geofoam reduces heat loss! Contributes to CO2 reduction!

【(Foundation) Better Living's experiment has demonstrated the effectiveness of vibration reduction】 【The Hokkaido Northern Architectural Research Institute has verified and evaluated the insulation and frost prevention effects】 【Patent construction method】 The ground replacement method "Columbus+" removes heavy soil beneath the foundation and replaces it with lightweight and compression-resistant "Geoform," reducing the weight of buildings on soft ground and suppressing settlement. Additionally, Geoform has insulation properties. Since it is laid out across the entire foundation area, heat loss to the underfloor is minimized. Minimizing heat loss leads to reduced heating costs, which in turn contributes to CO2 reduction. ○ Geoform, precut according to construction drawings, is easy to install. ○ We guarantee protection against damage to the foundation and building due to differential settlement for 10 years, up to a maximum of 50 million yen. ○ We have a track record of 4,000 projects nationwide, from public properties to private homes (as of August 2020). ○ We are expanding offices and agencies nationwide, and local representatives will visit to provide explanations. ○ Estimates are free of charge. ○ For more details, please contact us or download the catalog.

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