The industry's longest 30-year warranty! All ground risks reduced to zero! Guaranteed ground that is earthquake-resistant, environmentally friendly, and has high asset value.
Denyo's air power continues to evolve, becoming more powerful and more environmentally friendly!
For warehouses, factories, and stores! You can verify floor deformation and stress through numerical analysis.
Introduction of a construction method that allows for ultra-low-cost structure and high-quality construction, all managed by a single worker from transportation to installation.
Development of products that meet the needs of the times and establishment of boring methods.
Restoration of office building subsidence! We will introduce an example of a building with 6 floors above ground and 1 basement level.
Corresponding to the main construction purposes such as high-strength permanent reinforcement of structures and foundations, bank protection, liquefaction prevention, and permanent water stopping. Demonstrated 19 years of aging consolidation through large-scale outdoor injection testing!
Corresponding to permanent reinforcement of the foundation and high-strength reinforcement of the excavated ground. Demonstrated 19 years of aging consolidation in large-scale outdoor injection tests!
Silica sol grout (Hardizer Seven, Clean Lock 4, Silica Riser, etc.) is a liquid injection material that excels in durability, safety, and convenience.
Beneficial soil microorganisms, enzymes, and activated carbon power create soil.
Solution for underground obstacles in shield and propulsion construction methods.
Roads, rivers, and ponds too! Achieve speedy work with attachments shaped to the extreme.
No artificial materials left underground! Achieve improved strength, liquefaction countermeasures, and asset value protection with ground improvement using natural stones!
This is a method of adding and mixing cement slurry to solidify it into a mortar-like consistency.
NETIS registration (HK-100015-A)! Strongly adsorbs heavy metals.
With a uniquely shaped excavation device, you can construct high-quality and stable reinforcement structures!
Addressing the shortage of skilled workers with "smart formwork" that can be used by women! Shortening construction time and reducing costs.
Initiatives for the 3Rs utilizing new technologies. Eco-pants that regenerate nature and resources, creating an environment.
We offer a variety of models that accommodate stroke lengths from 2300 to 6000 mm.
A housing foundation reinforcement method to prevent differential settlement of residential buildings! No contamination of the housing foundation or groundwater occurs!
A high-pressure injection mixing method to construct an improved cross-sectional shape by combining fan shapes! Enables a more efficient arrangement of improved bodies in ground improvement!
This is a ground improvement method suitable for liquefaction countermeasures, achieved through extensive infiltration and rapid construction of large-volume soil. The consolidation over 19 years has been demonstrated through large-scale outdoor injection tests!
This is a top-base method block that is effective in suppressing sinking and increasing support strength. The top-base method can be utilized in civil engineering, construction, and all types of foundations.
It has 2.6 times the oxidizing power of chlorine and can almost eliminate organic odors.
Ground improvement method: Powder mixer method
Ground improvement by slurry injection method
This is a construction method to prevent the rupture of underground buried lifelines due to liquefaction phenomena.
Ease of use and drilling power upgraded! A high-performance compact that excels in operation and digging!
Smooth construction even in areas close to urban areas and structures by reducing vibration and noise! NETIS number: KTK-180001-A
Skillfully working with soil and ground. Providing safe ground suitable for various structures.
We offer comprehensive proposals for building a solid foundation and creating a lifelong life plan!
Introduction to Ultra Surface Improvement Method for Ground Reinforcement and High-Quality Improvement!
One-stop support! Aiming for zero ground accidents, continuously evolving without pause.
Forming a homogeneous improved ground by injecting quick-setting grout using a double pipe and a special tip device. Construction is environmentally friendly with minimal industrial waste disposal.
Comprehensive ground consultant
Achieving low cost and high quality through in-house integrated manufacturing and construction of JIS certified prefabricated RC concrete piles with equivalent or greater bearing capacity than steel pipe piles.
Select a better ground reinforcement method from the ground survey! A method that ensures safety and cost-effectiveness.
Registered with NETIS! This construction method reduces sludge volume and excels in environmental conservation.
Construction of high-quality improved bodies! A mid-level mixed treatment method that pursues high quality, safety, and cost-effectiveness.
Protect concrete from water and extend its lifespan! Demonstrates effects of waterproofing, rust prevention, and improved abrasion resistance.
The Tenokoram method can solidify weak ground and improve it into high-quality ground!
Achieving a stable foundation for housing that is safe, economical, and speedy.
Achieve lower prices with the same warranty as the LAND 5000 and 3000!
Convenience stores, restaurants, group homes, and similar properties are also covered by the guarantee!
Secured sufficient financial resources through a 10-year lump-sum insurance with a major domestic non-life insurance company!
Ground guarantee to address the risk of differential settlement of working objects (tombstones, solar panels, etc.)!
The design length is shorter than that of conventional solid piles! Compared to other methods, it may also reduce the overall construction cost.
Introduction to the Eco-GEO Method (Standard Type) and Eco-GEO ZERO Method (No Soil Discharge Type)!
Quality control is completed simultaneously with the completion of construction! There is no need to wait for the confirmation of the strength of the test pieces.
We will introduce examples of cases where it has been adopted due to the use of casing, ensuring stable quality.
The strength of finely crushed natural stone with new technology! It will maintain its strength over the long term.
Environmental technology for a sustainable society! For support reinforcement, liquefaction countermeasures, and drainage measures.
Slurry-type mechanical stirring mid-layer ground improvement method! It is possible to construct a uniform improved body.
Eliminate liquefaction damage from residential land in Japan! Ultra-low-cost liquefaction countermeasure methods.
We maintain a well-balanced basic performance necessary for the pile driving method.
Environmentally friendly low-emission high-friction construction method "At Column"
Constructing high-quality columns! Mechanical mixing deep mixing method using cement-based solidifying material slurry.
Constructing highly homogeneous block-shaped improved bodies! A ground improvement method that realizes a solid foundation for buildings.
An ecological and economical ground reinforcement method that supports with a surface using reinforced bodies made of crushed stone!
The adoption of a cross-shaped anti-rotation wing improves the efficiency of mixing operations. It allows for the construction of high-strength, low-residual columnar improved bodies [patent obtained].
Constructing high-quality columns with special admixtures. Environmentally friendly with low noise and low vibration, suitable for various sites and a wide range of soil types.
Introducing the construction procedure for columnar improvement methods that allow for a variety of selectable improvement forms!
We will introduce tests to verify the appropriate water-to-binder ratio.
Strengthening the foundation even more! A reliable construction method that has obtained the Architectural Technical Performance Certification from the Japan Building Research Institute. Environmentally friendly with low noise and low vibration.
Eco-friendly with quality improvement and reduced environmental impact through the addition of rising liquid! Low noise and low vibration, gentle on the environment, and suitable for civil engineering structures.
A detailed introduction to the construction process from preparation work to completion for "Rising W"!
A high-performance water-reducing agent for cement-based solidifying material slurry that has an extremely excellent water-reducing effect. It allows for the construction of environmentally friendly and high-quality modified bodies.
Creating a safe and secure living environment starts from the ground up. [ISO 9001 Certification Obtained]
Numerous achievements in ground improvement from single-family homes to large buildings! 【ISO 9001 Certification Obtained】
By using a special mixing agent, the water-to-solid material ratio of cement milk can be concentrated up to 40%, enabling the construction of high-strength improved soil!
Before construction, underground obstacles can be removed, and after construction, the mixing condition can be checked with a rising tester (resistivity meter)! It is environmentally friendly with low noise and low vibration.
"From small-scale buildings to civil engineering structures" is a ground improvement method that mixes soil and slurry or solidifying agents to construct a highly homogeneous block-like improved body.
Stable supply with no price fluctuations! Can be accommodated at depths of soft ground. Construction with compact machinery.
Attention those troubled by ground improvement work! We have a wealth of information on selection methods for surface improvement work, friction piles, columnar improvement methods, and the characteristics of each method. *Materials are currently being distributed.
The Rotary Percussion Drill RPD-180C has cleared the fourth exhaust emission regulations with the new engine installation and has also achieved a power boost.
Vertical drain method without using sand mat.
40m3 of concrete that can be loaded onto a 4-ton truck!
From responding to the Soil Contamination Countermeasures Act to soil surveys related to land transactions! Leave it to the professionals in soil contamination investigation!
Achieving high support strength and high quality! A construction method that excels in both environmental and cost aspects.
Trust, accuracy, speed, and integrity! Responding to customer needs with abundant originality.
Eliminate vibration issues and create a comfortable living environment! Here are some examples of our achievements in vibration control.
Reduction of seismic forces and prevention of liquefaction! Constraining the soil inside the cell to suppress ground deformation and reduce seismic motion.
Improvement of the working environment! Introduction of a construction case where tire shred made of high-damping material was filled in the cell.
Filling tire shred with high damping material between the underground vibration barrier and the improved column row! A case where the working environment has been improved.
Compare the vibration levels of areas without countermeasures and areas with WIB countermeasures! Confirmed a reduction of more than 6dB in both horizontal and vertical directions.
In the reconstruction of the cafeteria building, measures were implemented directly beneath the structure! A case was confirmed where vibration reduction of 8 to 11 dB was achieved.
Can be used for residential areas, facilities, and roads! Enhances the bearing capacity of weak ground and prevents building settlement and liquefaction.
Confirmed an average vibration reduction of 7dB and a maximum of 13dB at vibration level Lmax! Comfort has been improved!
Measures were implemented between the construction area and the residential area! It was confirmed that ground vibrations are approximately 6dB lower, reducing vibrations by half!
Confirmed a reduction of more than 10dB, reducing vibrations to less than one-third! Measures were implemented directly beneath the road!