吉光組 Official site

By non-excavation, we will achieve seismic reinforcement measures for existing manholes.

【Construction Procedure】 1. Positioning 2. Inverted drilling (drilling 8 inches) 3. Sleeve pipe fixation 4. Base plate drilling (drilling 5 inches) 5. Filter installation 6. Sleeve pipe removal fixation 7. Guidance pipe installation 8. Vibration work 9. Gap filling work *For more details, please refer to the PDF document or feel free to contact us.

Preventing environmental destruction and eliminating transportation costs! We reduce waste through soil recycling.

【Improved Soil Specifications】 ■ 0-100mm improved soil (maximum particle size below 100mm) ■ 0-40mm improved soil (maximum particle size below 40mm) ■ 0-20mm improved soil (maximum particle size below 20mm) *For more details, please refer to the PDF document or feel free to contact us.

Transform weak soil into strong soil by hardening it! With neutral solidification, it becomes soil where plants can thrive!

【Lineup】 ■ Hardlex C ■ Hardlex R ■ Hardlex H ■ Hardlex J *For more details, please refer to the PDF document or feel free to contact us.

High-quality improved soil without mixing unevenness! A construction method adopted for improvement work in narrow construction yards!

【Other Features】 - Prevents illegal dumping of surplus soil and environmental destruction from new material extraction. - Reduces the amount of surplus soil generated, thereby eliminating traffic pollution issues such as noise and congestion caused by transport vehicles. - Recycles construction-generated soil on-site, significantly reducing disposal and new purchase costs. - Allows for flexible adjustment of the amount of solidifying agent added, achieving improved strength similar to conventional methods with a smaller quantity of additives. - No mixing inconsistencies, enabling a reduction in the amount of solidifying agent used. - Capable of handling various types of soil, supplying improved soil with a workload comparable to that of a plant. *For more details, please refer to the PDF document or feel free to contact us.

Explanation of proper treatment and utilization of contaminated soil! Detailed introduction of products owned by the association.

【Association Holdings】 ■ Neutralization Insolubilization Modifier "Metal Shut Series" ■ Neutral Modifier "Hardlex Series" / "Oil Shut" *For more details, please refer to the PDF document or feel free to contact us.

We propose solutions for the proper treatment and utilization of contaminated soil!

【Association Holdings】 ■ Neutralization and Insolubilization Modifier "Metal Shut Series" ■ Neutral Modifier "Hardlex Series" / "Oil Shut" *For more details, please refer to the PDF document or feel free to contact us.

Integrating the ground behavior of gas stations on weak ground! Protecting buried facilities from earthquakes and other hazards.

【Other Features】 ■ Underground Tank Rising Part and Base Plate (WT Method) - Achieves excavation support effect through cement slurry improvement using a special mixer. ■ Underground Piping Surrounding Improvement (WT Method) - Achieves piping reinforcement (seismic resistance) effect through countermeasures for tank foundation uplift. ■ Foundation Ground Improvement (TNF Method) - Suppresses differential settlement. - Significantly shortens construction period as formwork is not required. ■ External Ground Improvement (TNF Method) - Suppresses liquefaction through improvement. *For more details, please refer to the PDF materials or feel free to contact us.

Application to the installation of various facilities! Construction is easy even on soft ground or ground with high groundwater levels.

For more details, please refer to the PDF document or feel free to contact us.

A new construction method applicable to mid-rise and high-rise buildings! Utilization of geothermal energy such as heat pumps is possible.

For more details, please refer to the PDF document or feel free to contact us.

Contributing to CO2 reduction through carbon storage effects of wood use! Introducing liquefaction countermeasure methods.

For more details, please refer to the PDF document or feel free to contact us.

Vibration absorption of buildings through the sliding of T-BAGS! Seismic isolation foundation structure and seismic isolation method using it.

For more details, please refer to the PDF document or feel free to contact us.

Contributing to the overall shortening of the construction period! Compared to typical foundation shapes, the ground improvement reduces the contact pressure.

For more details, please refer to the PDF document or feel free to contact us.

Shutting out oil-contaminated soil with the power of natural ingredients!

【Construction Method】 ■ Treatment can be carried out on-site without removing contaminated soil - Mixing using a self-propelled soil improvement machine - Purification through in-situ mixing (medium to deep mixing treatment using a trencher) - Purification through in-situ mixing (surface mixing treatment using a stabilizer and backhoe) *For more details, please refer to the PDF document or feel free to contact us.

Quickly and reliably shut out heavy metals! The treated soil after modification has improved various physical properties of the soil.

【Lineup (Partial)】 <Calcium Complex Mineral System> ■ Metal Shut S <Special Magnesia Complex Mineral System> ■ Metal Shut K ■ Metal Shut L *For more details, please refer to the PDF document or feel free to contact us.

"Shallow improvement" that supports the entire ground surface of the building without using piles.

【Other Features】 ■Integration of the foundation slab and the improvement layer ■Improvement of the existing ground ■Shortened construction period ■Reduction of removal costs (mitigation of asset retirement obligations) *For more details, please refer to the PDF materials or feel free to contact us.

New technology for shortening construction periods and reducing building costs! An explanation of the TNF method that overturns the conventional wisdom of traditional foundation construction methods!

【Other Published Content (Excerpt)】 ■Construction Sequence ■Regarding Construction Period ■Regarding Cost and Construction Period ■Construction Achievements ■Verification After the Hokkaido Earthquake ■Summary *For more details, please refer to the PDF document or feel free to contact us.

No use of stakes! Introducing the features of the TNF method, which can also reduce demolition costs during building demolition!

【Recommended for the following】 ■ Design offices ■ General contractors ■ Companies needing commercial stores or logistics warehouses ■ Clients planning factories, warehouses, or stores on weak ground requiring pile foundations *For more details, please refer to the related links or feel free to contact us.

Introducing the features of our TNF method, which can shorten construction time by 50% compared to conventional methods!

【Recommended for the following】 ■ Design firms ■ General contractors ■ Companies that need commercial stores or logistics warehouses ■ Clients planning factories, warehouses, or stores on weak ground requiring pile foundations *For more details, please refer to the related links or feel free to contact us.

Introducing the features of our TNF method, which has reduced costs by approximately 30% compared to traditional pile foundations!

【Recommended for】 ■ Design offices ■ General contractors ■ Companies needing commercial stores or logistics warehouses ■ Clients planning factories, warehouses, or stores on weak ground requiring pile foundations *For more details, please refer to the related links or feel free to contact us.

Over 1,300 achievements nationwide! No need for pile work, formwork, or ground improvement work.

【Recommended for】 ■ Design offices ■ General contractors ■ Companies that need commercial stores or logistics warehouses ■ Clients planning factories, warehouses, or stores on weak ground requiring pile foundations *For more details, please refer to the related links or feel free to contact us.

Introducing a table of shipping lists for items such as "Metal Shut K" and "Oil Shut OS"!

For more details, please refer to the PDF document or feel free to contact us.

Introducing the achievements of construction projects such as "site development work associated with the new hospital construction" and "road improvement work"!

【Other Listing Items】 ■Improved Soil Volume ■Soil Quality ■Binding Material *For more details, please refer to the PDF document or feel free to contact us.

A recycling plant with a larger workload compared to backhoe mixing, and consistently good quality!

【Recommended for the following individuals】 ■General contractors / Consultants / Government agencies *For more details, please refer to the related links or feel free to contact us.

A recycling plant that reduces costs compared to disposing of soil!

Recommended for: ■ General contractors / Consultants / Government agencies *For more details, please refer to the related links or feel free to contact us.*

A recycling plant that contributes to CO2 reduction and carbon neutrality by eliminating deforestation!

【Recommended for the following individuals】 ■ General contractors / Consultants / Government agencies *For more details, please refer to the related links or feel free to contact us.

We will introduce the features of recycling plants suitable for contaminated soil remediation work!

【Recommended for the following individuals】 ■ General contractors / Consultants / Government agencies *For more details, please refer to the related links or feel free to contact us.

Contributing to CO2 reduction and carbon neutrality! Recycling and processing the soil emitted on-site!

Recommended for the following individuals: ■ General contractors / Consultants / Government agencies *For more details, please refer to the related links or feel free to contact us.*

Reducing CO2 by recycling soil at construction sites. Turning construction waste soil into high-quality improved soil.

【Other Features】 ■ Prevents illegal dumping of surplus soil and natural destruction caused by new material extraction ■ Reduces the amount of surplus soil generated, thereby alleviating traffic pollution issues such as noise and congestion from transportation vehicles ■ Recycles construction-generated soil on-site, significantly reducing disposal and new purchase costs ■ Allows for flexible adjustment of the amount of solidifying agent added, achieving improved strength similar to conventional methods with a smaller quantity ■ No mixing inconsistencies, enabling reduction of solidifying agent usage ■ Compatible with various types of soil, supplying improved soil with a workload comparable to that of a plant *For more details, please refer to the PDF document or feel free to contact us.

Since the construction-generated soil will be recycled on-site, the disposal costs for leftover soil and the costs for new purchases will be significantly reduced. 【Disaster Prevention】

【Other Features】 - Prevents illegal dumping of surplus soil and natural destruction caused by new material extraction. - Reduces the amount of surplus soil generated, thereby eliminating traffic pollution issues such as noise and congestion caused by transportation vehicles. - Recycles construction-generated soil on-site, significantly reducing disposal costs and new purchase expenses. - Allows for free adjustment of the amount of solidifying agent added, achieving improved strength similar to conventional methods with a smaller quantity of addition. - No mixing inconsistencies, enabling a reduction in the amount of solidifying agent used. - Compatible with various types of soil, supplying improved soil with a workload comparable to that of a plant. *For more details, please refer to the PDF document or feel free to contact us.

If you want to reduce the amount of leftover soil disposal, this is a must-see! We recycle construction-generated soil on-site, significantly reducing disposal costs and new purchase costs [Embankment Regulation Law enacted].

【Other Features】 - Prevents illegal dumping of surplus soil and natural destruction caused by new material extraction. - Reduces the amount of surplus soil generated, thereby eliminating traffic pollution issues such as noise and congestion caused by transport vehicles. - Recycles construction-generated soil on-site, significantly reducing disposal and new purchase costs. - Allows for flexible adjustment of the amount of solidifying agent added, achieving improved strength similar to conventional methods with a smaller amount of addition. - No mixing inconsistencies, enabling reduction of the solidifying agent. - Compatible with various types of soil, supplying improved soil with a workload comparable to that of a plant. *For more details, please refer to the PDF document or feel free to contact us.*