Ground improvement work Product List and Ranking from 35 Manufacturers, Suppliers and Companies | IPROS

Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.

Ground improvement work Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.

  1. Taiyo Kisokogyo Co.,Ltd. Aichi//General contractors and subcontractors
  2. HOKOKU ENGINEERING CO.,LTD. Osaka//Other construction industries
  3. 山下工業 Kyoto//Other construction industries
  4. 4 熊野組 Hiroshima//Other construction industries
  5. 5 テノックス九州 Fukuoka//Construction Consultant
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Ground improvement work Product ranking

Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.

  1. TRD method Taiyo Kisokogyo Co.,Ltd.
  2. HiroWork Kmighty Method Taiyo Kisokogyo Co.,Ltd.
  3. Bauer method Taiyo Kisokogyo Co.,Ltd.
  4. 4 Groundwater Level Measurement Method (Chikachan) HOKOKU ENGINEERING CO.,LTD.
  5. 5 Dawn Construction Method HOKOKU ENGINEERING CO.,LTD.

Ground improvement work Product List

1～30 item / All 85 items

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[Information] Woody Force Method

[Information] Woody Force Method

Features and design/construction are included! This is a document on the method of using thin-diameter thinned timber as ground reinforcement material for houses.

This document introduces the "Woody Force Method," developed to utilize thin-diameter thinned wood, which previously had no effective means of use, as ground reinforcement material for single-family homes and other structures. It includes photographs and illustrations covering topics such as "Effective Use of Thin-Diameter Thinned Wood," "Features of the Method," "Design and Construction," and "Durability." We invite you to read it. [Contents] ■ Effective Use of Thin-Diameter Thinned Wood ■ Features of the Method ■ Design and Construction ■ Durability ■ GBRC Performance Certification No. 13-23 Revision *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods
  • Ground foundation construction method
  • Ground improvement work

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Business Development of Toyo Stabilizer

Business Development of Toyo Stabilizer

With an insatiable desire for improvement, we constantly evolve. We achieve low-cost, energy-saving, speedy, and safe construction.

Toyo Stabi Co., Ltd. was established in 1981 as an in-house venture of Seino Construction Co., Ltd. Five years later, in December 1986, it became a member of the Seino Construction Group as Toyo Stabi Construction and began its journey. To meet our customers' new needs, we are actively engaging in new fields such as mid-rise ground improvement work, solar equipment foundation pile (ground screw) work, and system formwork (large formwork) work. In recent years, we have also been fully committed to disaster recovery and reconstruction efforts, receiving high praise from various sectors. **Features of Toyo Stabi** - Know-how born from extensive experience and unique technology development - Achieving low-cost, energy-efficient, speedy, and safe construction - A rich lineup to meet various needs - Prompt response to major maintenance of heavy machinery in-house - Overcoming various soft ground conditions with a vast amount of accumulated survey data *For more details, please refer to the PDF materials or feel free to contact us.*

  • Ground improvement
  • Ground improvement work

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Concrete crushing method "Buster Method"

Concrete crushing method "Buster Method"

We will achieve dust-free, vibration-free, and low-noise concrete crushing work!

The "Buster Method" is a technique that involves inserting and operating a small high-output jack into a core drilling hole (φ160–200mm) to crush concrete. The crushing work can be carried out safely with no dust, no vibration, and low noise. It is a static crushing method that also takes the environment into consideration. Please feel free to contact us if you have any inquiries. 【Features】 ■ Safe construction with no dust, no vibration, and low noise during crushing work ■ Static crushing method that considers the environment ■ Enables planned crushing, allowing for a reduction in construction time *For more details, please download the PDF or feel free to contact us.

  • Concrete construction
  • Civil Engineering Method
  • Ground improvement work

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Low-pollution crushing method "Electric Discharge Crushing Method"

Low-pollution crushing method "Electric Discharge Crushing Method"

It is a low-pollution type crushing method that has a higher crushing effect compared to crushing caused by cement expansion pressure and does not fall under explosives!

The "Electric Discharge Crushing Method" is a crushing technique that utilizes expansion from electrical energy. It excels in pollution characteristics such as noise, vibration, and dust, with a crushing efficiency of 5 to 25 m³ per day. The crushing force can be adjusted from a minimum of approximately 10 cm x 10 cm (concrete). Please feel free to contact us if you have any requests. 【Features】 ■ Control of crushing force allows for control of noise and vibration ■ Applicable to hard rock (uniaxial compressive strength of 350 MPa) and reinforced concrete ■ Easy handling of equipment and cartridges ■ If there is a gap between the adjacent structure, it will not have an impact ■ No legal regulations apply, so no qualifications or notifications are required during construction *For more details, please download the PDF or feel free to contact us.

  • Concrete construction
  • Civil Engineering Method
  • Ground foundation construction method
  • Ground improvement work

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Ace Sand Method

Ace Sand Method

Fluidize the excavated soil on-site. Please use it widely for backfill materials, filling materials, embankment materials, etc.

The "Ace Sand Method" is a revolutionary technique that pumps backfill materials such as mountain sand into areas where backfilling is difficult. It allows for the recycling of construction by-products (on-site generated soil). This simple and compact plant is capable of handling small-scale projects, while also having a large construction capacity that shortens construction periods and does not restrict the timing of backfilling. Please feel free to use it widely for backfill materials, filling materials, embankment materials, etc. 【Features】 ■ Pumps backfill materials such as mountain sand into areas where backfilling is difficult ■ Good fluidity allows for filling into every corner and can accommodate complex terrains ■ Effective for preventing consolidation settlement and liquefaction ■ Reduces cement usage and improves the utilization rate of generated soil ■ Easily suppresses bleeding by incorporating a small amount of air bubbles *For more details, please refer to the PDF materials or feel free to contact us.

  • Special Construction Method
  • Ground improvement work

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Yamanari Co., Ltd. Business Introduction

Yamanari Co., Ltd. Business Introduction

For ground surveys, soil investigations, ground improvement, and settlement correction in Aichi Prefecture, contact Yamanari Co., Ltd.!

Yamanari Co., Ltd. specializes in services related to residential ground, such as ground surveys, ground improvement, subsidence correction, and ground guarantees. Is your land and ground okay? Ground reinforcement, which is not directly visible during residential construction, tends to be overlooked... However, issues like building subsidence and liquefaction have been highlighted in TV and newspapers, becoming social problems. Building a house is a once-in-a-lifetime event! Why not take another look at your land and building? We, Yamanari Co., Ltd., provide total support regarding ground matters. For more details, please contact us or download our catalog.

  • others
  • Ground improvement work

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New construction work - Sliding method (Sliding/Slip form method)

New construction work - Sliding method (Sliding/Slip form method)

Shortened construction period! This is a method that raises the work floor along with the jack.

The slide construction method involves attaching formwork and internal and external working platforms to a frame made of steel (such as H-beams) called a yoke, and then using jacks to raise the working platforms along with steel rods embedded in concrete as reaction forces. The working platforms are constructed in three tiers—upper, middle, and lower—according to the work requirements, with rebar reinforcement, concrete pouring, and plaster finishing both inside and outside. Additionally, if the roof of structures like silos is made of steel, connecting the steel parts to the yoke and raising them simultaneously makes it easier to maintain verticality and roundness, eliminates the need for steel frame erection, and enhances safety. **Features** - The biggest feature of the slide construction method is the reduction of construction time. - Concrete pouring can be done daily after the assembly of the equipment is completed. - It is ideal for super-tall chimneys (H=100-200m) and sites with no construction time constraints. - Continuous concrete pouring minimizes joints. - It is also beneficial in terms of quality. For more details, please contact us.

  • Renovation and repair methods
  • Ground improvement work

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Ground improvement work, steel pipe pile work, ground investigation [Yamashita Industrial Co., Ltd. Business Information]

Ground improvement work, steel pipe pile work, ground investigation [Yamashita Industrial Co., Ltd. Business Information]

Leave the ground improvement work, steel pipe pile work, and ground survey as a whole to us!

Yamashita Industry responds with reliable technology in ground improvement work, steel pipe pile work, and ground surveys. 【Here’s what we can do!】 ◎ Ground Improvement Work Ultra Column Method (Building Technology Performance Certification Obtained) Columnar Improvement Pile Work (Dry Method) Columnar Improvement Pile Work (Soil Column) Surface Improvement Work (Dry Method & Soil) ◎ Steel Pipe Pile Work Designated Construction Company for Ultra Pile (Ministry of Land, Infrastructure, Transport and Tourism Certification) Member of Gaia Pile Association (Ministry of Land, Infrastructure, Transport and Tourism Certification) ◎ Ground Surveys Swedish Sounding Test Dynamic Cone Penetrometer Test Simple Penetration Test Boring Survey ◎ Others Pile Driving Work, Earth Retention Work, Plate Load Test Building Settlement Correction Work MS Foundation Work ↓↓ For more details, please contact us or download the catalog ↓↓

  • others
  • Ground improvement work

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Quality Control Method: "Mixing Tester Method"

Quality Control Method: "Mixing Tester Method"

Quality verification of columnar improvement is easy immediately after construction!

The mixing tester method is a quality inspection for columnar improvement using slurry of cement-based solidifying materials. This method involves inserting a probe into the unsolidified columnar improvement and measuring the electrical resistivity along its entire length, thereby quantifying and clarifying its homogeneity. 【Features】 ○ Quality control can be performed immediately after construction ○ The quality of the columnar improvement can be quantified and recorded ○ It becomes clear whether the design pile length has been reached For more details, please contact us or download the catalog.

  • Earthworks
  • Piles, caissons, sheet piles
  • Pile and foundation work
  • Ground improvement work

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Ground Improvement Method "Rising W" Construction Procedure

Ground Improvement Method "Rising W" Construction Procedure

A detailed introduction to the construction process from preparation work to completion for "Rising W"!

Here are the construction procedures for "Rising W." In the preparation work, to ensure stability during the operation and movement of the construction machinery, we will carry out measures such as laying steel plates, surface ground improvement, curing, alignment and marking, inspection and calibration of measuring devices, and checking the condition of the solidifying agents. 【Construction Procedures】 ■1. Preparation Work ■2. Positioning ■3. Start Excavation ■4. Confirm Excavation Depth ■5. Introduce Improved Soil and Solidifying Agent Slurry ■6. Mixing ■7. Repeat ■8. End of Mixing and Construction *For more details, please refer to the PDF document or feel free to contact us.

  • Earthworks
  • Ground improvement
  • Ground foundation construction method
  • Ground improvement work

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Understanding Ground Investigation Processes and Knowledge through Manga!

Understanding Ground Investigation Processes and Knowledge through Manga!

[Free Manga] Explaining the risks of vibration, the risk of tilting, and the construction work for removing existing improved piles through manga!

This booklet provides a clear explanation of the process of ground investigation. It includes risks such as vibration risk, tilting risk, repair cost risk, and various ground improvement methods. We are currently offering a free manga booklet. If you are interested, please view the PDF from "PDF Download." [Contents (excerpt)] ■ Vibration risk ■ Tilting risk ■ Repair cost risk ■ Columnar ground improvement work ■ Surface ground improvement work *For more details, please refer to the PDF document or feel free to contact us.

  • Earthworks
  • Pile and foundation work
  • Ground foundation construction method
  • Ground improvement work

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[Free Diagnosis] Ground Investigation Data Diagnosis and Analysis Service

[Free Diagnosis] Ground Investigation Data Diagnosis and Analysis Service

Diagnosis is free! We will analyze your company's ground survey data from JHS's multifaceted perspective.

In the "Ground Investigation Data Diagnosis and Analysis Service," we utilize the "Residential Ground Information System," which has accumulated over 20 years of experience and know-how from JHS across the country, to diagnose not only the investigation data but also the appropriate ground from multiple perspectives. A quality guarantee certificate can be issued even for direct foundations and ground requiring countermeasures. The warranty period is up to 20 years from the construction period plus the handover date. The diagnosis is free, so why not try our high-precision analysis? 【Features】 ■ Diagnosis from JHS's multifaceted perspective ■ Diagnosis of appropriate ground from multiple perspectives, not just investigation data ■ Free diagnosis can be determined with investigation data only ■ A quality guarantee certificate can be issued even for direct foundations and ground requiring countermeasures ■ Warranty period is up to 20 years from the construction period plus the handover date *For more details, please refer to the PDF materials or feel free to contact us.

  • Site and ground investigation
  • Ground improvement work

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先端翼を有する小口径柱状地盤補強「SSW-Pile」

先端翼を有する小口径柱状地盤補強「SSW-Pile」

直径350mmの先端翼が、安心のくらしをささえます！

「SSW-Pile工法」は、直径216.3mmのケーシングの先端に独自に開発した直径350mmの先端翼を取り付け、生コンなどを打設します。 使用する軸部材は生コンなどを打設するため、ローコストで品質が安定しています。 また、残土排出はほとんどなく、施工による土圧は鋼管杭と同程度で、まわりの建物への悪影響は少なくて済みます。 施工時に粉じんが舞うこともありません。 もちろん、低騒音・低振動です。 【特長】 ○証明された信頼性：GBRC建築技術性能証明取得　第12-28号（改） ○ローコスト・安定した品質 ○より環境へやさしく 詳しくはお問い合わせ、またはカタログをダウンロードしてください。

  • Aggregates and crushed stone
  • Earth retaining wall/foundation reinforcement
  • Ground improvement
  • Ground improvement work

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Civil engineering and architecture longevity technology solutions

Civil engineering and architecture longevity technology solutions

Introducing aluminum steel structure truss-type sluice gate roofs and the Cabocon method!

Preserving a rich environment through repair, maintenance, recycling, and renovation. We introduce our longevity technology solutions for civil engineering and construction. We offer aluminum steel structure truss-type sluice gates, paper sludge soil improvement solidifying agent "Harden," and the Epoguard system, among others. Our company adopts many construction methods registered in the Ministry of Land, Infrastructure, Transport and Tourism's New Technology Utilization System (NETIS). 【Handled Systems/Methods (Excerpt)】 ■ CCFP-CABOCON Method (Cabocon Method) ■ AT-P Method ■ CSC System ■ Epoguard System ■ S-1 Method *For more details, please refer to the PDF materials or feel free to contact us.

  • Other civil engineering works
  • Coating film waterproofing material/permeable waterproofing material
  • Ground improvement work

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Bell method

Bell method

"PVC Pipe Long-Distance Curved Pushing Method" - The world's first pushing technology that contributes to reducing life cycle costs.

The Bell method is a "world-first system" that significantly reduces maintenance costs for sewer pipes and contributes to their longevity. 【Features】 1. Long-distance thrust Unlike conventional methods, the allowable thrust length is not limited by the pipe's allowable load capacity, allowing for long-distance thrust of up to 250 meters even with low-load capacity pipes. 2. Curved thrust The tunneling machine is equipped with two directional correction devices, enabling multiple curved thrusts of up to 60R. 3. Response to obstacles If unexpected obstacles are encountered during tunneling, it is possible to retreat and proceed with a detour alignment. 4. Shortened construction period By adopting an autonomous measurement robot for in-pipe surveying, there is no decrease in daily progress due to the number of curves or curvature radius. Additionally, using the Bell method thrust pipe (1.33m pipe) reduces setup changes by 33% compared to 1m pipes, enhancing work efficiency. 5. Longevity Long-distance and curved thrust is achieved with durable and earthquake-resistant PVC pipes, contributing to the longevity of sewer pipes. 6. Earthquake resistance High earthquake-resistant SUS color is used. The joint section of the thrust pipe maintains water tightness up to an angle of 3 degrees, preventing water and soil from entering. For more details, please feel free to contact us.

  • Civil Engineering Method
  • Water Supply Facilities
  • Sewerage facilities
  • Ground improvement work

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Cobra method

Cobra method

Next-generation excavation work: mud-water and mud-soil pressure single-process small-diameter thrusting.

Full soil type compatibility from ordinary soil to bedrock! Economical due to starting from a small shaft! Achieves speedy advancement with a single process! Rolling stop with joint pipes!! That's why it's fast!! That's why the straightness accuracy is good!! 【Features】 1. Wide range of soil type adaptability 2. Realization of smaller shafts 3. Increased convenience for retrieval 4. Advancement of 200m per span 5. Compact in all aspects 6. Addresses ground issues 7. Construction can be performed by selecting the excavation method according to soil type 8. Not only single-component lubricants, but also two-component lubricants can be injected according to soil type For more details, please feel free to contact us.

  • Civil Engineering Method
  • Water Supply Facilities
  • Sewerage facilities
  • Ground improvement work

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Soil bag method

Soil bag method

NETIS registration! An environmentally friendly construction method that does not use any solidifying agents.

The "Soil Bag Method" is an environmentally friendly foundation reinforcement technique that does not use any solidifying materials, including cement, by utilizing the "D·Box." The "D·Box" generates significant friction between soil particles, providing various effects such as ground reinforcement, vibration reduction, and liquefaction countermeasures. In particular, it can compact itself regardless of ground reaction, allowing for reinforcement effects even in extremely soft ground such as marshes, which are typically considered difficult. 【Features】 ■ The D·Box is completely permeable to water, so it does not affect the underground environment when installed in the soil. ■ Since the D·Box essentially just encapsulates soil particles, it can reduce CO2 emissions. ■ It has effects equivalent to surface improvement, allowing for efficient ground reinforcement construction. ■ It simultaneously achieves ground reinforcement and vibration reduction, offering excellent cost-effectiveness. ■ It can increase the strength of the surrounding ground where the D·Box is installed. For more details, please feel free to contact us.

  • Ground foundation construction method
  • Residential foundations
  • Earth retaining wall/foundation reinforcement
  • Ground improvement work

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HiroWork Kmighty Method

HiroWork Kmighty Method

NETIS registration! The "full-length extraction method" pulls out existing piles with ultra-low vibration and ultra-low noise.

By combining a specially developed flexible casing and an auger drilling motor to generate rotational force with a high-pressure water jet, this "full-length extraction method" releases the friction between existing piles and the ground, allowing for the extraction of existing piles with ultra-low vibration and ultra-low noise. 【Features】 1. NETIS registration No. KT-120066-A 2. Ultra-low vibration and ultra-low noise 3. Compatible with inclined piles 4. Suitable for close proximity and narrow space construction 5. High work efficiency for various pile types with high-pressure water jet 6. Step construction is possible 7. Reduction of work time 8. Safety during operation For more details, please refer to the catalog or feel free to contact us.

  • Civil Engineering Method
  • Pile and foundation work
  • Ground improvement work

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Construction Case Study: "Building Construction"

Construction Case Study: "Building Construction"

"Total support from the ground to the building" We are showcasing examples of construction work.

In recent years, Japan has experienced natural disasters that can destroy everyday life, starting with the Great East Japan Earthquake. Each time a disaster occurs, it has become an era where everyone feels anxious, wondering, "Is my home okay?" or "Is my workplace okay?" In light of this, our company has seriously discussed how we can contribute to society with technology specialized in ground stability. We have established a new "Construction Department" and are launching a new business that leverages our experience and achievements in specialized civil engineering work. We will create a safer and more secure living environment for our customers, not only through new construction, renovations, repairs, and maintenance, but also by implementing energy-saving measures and addressing foundation and underground issues.

  • Renovation and repair methods
  • Roof and gutter construction
  • Waterproofing work
  • Ground improvement work

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Low-altitude slide construction method

Low-altitude slide construction method

It is a full casing (full rotary) method that enables work up to a depth of 4.4 meters.

We have made it possible to carry out construction that was previously impossible. - Foundation work inside the gymnasium: Previously, part of the wall had to be demolished to bring in machinery, but it is now possible to bring in equipment without altering the current state. - Foundation work along the railway: Work that requires crane booms to extend higher than the tracks is typically done at night, but since we do not use cranes, daytime work is possible. - Bridge widening and under-beam work: Heavy machinery can access the existing under-beam area, allowing vehicles to continue using the existing bridge during construction. - Work under high-voltage power lines: Construction under high-voltage power lines is also feasible.

  • Foundation construction
  • Ground improvement work

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Shinbee method

Shinbee method

Ground improvement method using soil-cement columns with thin-walled steel pipes.

■ Performance-Proven Construction Method Building Technology Performance Certification GBRC Performance Certification No. 13-04 Rev. 2 This method has been reviewed by a third-party organization, which certifies the performance of the technology. ■ High Load-Bearing Capacity and High Strength This method combines the benefits of steel pipes with stable quality and strength of columnar improvement bodies. ■ High-Quality Mixing The specialized mixer, equipped with a comb section and eight blades, provides high-quality mixing. ■ Wide Range of Soil Types This method can accommodate a wider range of soil types than typical columnar improvement methods, as the steel pipes can complement quality and strength to mitigate variations in strength due to soil type. ■ Short Construction Period Due to high surface friction and quality, it is possible to shorten the pile length compared to conventional columnar improvement methods, leading to a reduction in construction time. ■ Suitable for Narrow Sites Heavy machinery is selected based on site conditions to advance the project more efficiently.

  • Pile and foundation work
  • Ground foundation construction method
  • Ground improvement
  • Ground improvement work

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For deep excavation work and cutting/removal of underground obstacles! Super Top Method.

For deep excavation work and cutting/removal of underground obstacles! Super Top Method.

The construction of place-driven piles in ground with boulders or bedrock, as well as deep excavation work, demonstrates its effectiveness in cutting and removing underground obstacles.

To safely carry out difficult all-casing deep drilling, maintaining high vertical accuracy while pushing in the casing and the reliability of the chuck device are key points. The RT series tubing equipment used in the Super Top method features a wedge-type chuck device and boasts one of the largest rotational torque and pull-out force in its class. Additionally, aiming for efficient and economical rock cutting, it is equipped with a casing pushing automatic control mechanism (B-CON mechanism) that can maintain the bit load at a constant value through "sequence control." The excellent workability and safety of the Super Top method with these features have been demonstrated through "technical review certification."

  • Foundation construction
  • Ground improvement work

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Chemical Grout Co., Ltd. Business Introduction

Chemical Grout Co., Ltd. Business Introduction

Geo-doctor who dialogues with the earth!

Chemical Grout Co., Ltd. is a comprehensive underground engineering company that utilizes a diverse range of over 30 construction methods to carry out total services from technology development, design, proposals, construction, to after-sales support related to underground work. To meet various needs, we are engaged in research and development of unique technologies, such as the development of the jet grouting method, which enables the creation of modified bodies of various sizes from smaller machines. We will continue to provide safe and secure construction along with high-quality technology, so please feel free to contact us when you need our services. 【Main Business Activities】 ■ Investigation, design, construction, and consulting for the following works: - Ground improvement and stabilization work - Foundation construction - Durability enhancement work for structures - Soil purification work, etc. *For more details, please refer to our catalog or feel free to contact us.

  • Earthquake-resistant construction method
  • Ground improvement
  • Ground foundation construction method
  • Ground improvement work

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Nichibo Co., Ltd. Business Introduction

Nichibo Co., Ltd. Business Introduction

We will do our utmost to meet the needs of society in order to build a safe social infrastructure!

Nichibo Co., Ltd. is a company engaged in ground improvement, slope business, urban civil engineering, and geological surveys and design. Based on the location conditions and natural environment required for each construction, we provide optimal ground improvement technologies and various slope countermeasure techniques that also consider the natural environment, responding to societal needs. Additionally, at our equipment center, we realize the efficiency of material and equipment logistics quickly and accurately, providing solid support. 【Business Activities】 ■ Ground Improvement ■ Slope Business ■ Urban Civil Engineering ■ Geological Surveys and Design *For more details, please download the PDF or feel free to contact us.

  • Ground improvement
  • Renovation and repair methods
  • Geological Survey
  • Ground improvement work

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Ground Improvement Work "Stabilizer Mixer Method"

Ground Improvement Work "Stabilizer Mixer Method"

A ground improvement construction method that enables the construction of highly uniform improved ground!

The "Stabilization Mixer Method" is a construction technique that improves soft ground by mixing it with cement-based solidifying agents using a stabilization mixer, creating a uniform and highly accurate improved body. Due to high-speed stirring driven by a hydraulic motor, the workability is excellent, and cost reduction is possible as there is no need for equipment costs such as plants. Additionally, because powdered solidifying agents are used, the strength is greater than that of slurries with the same mixing ratio. 【Features】 ■ Construction is possible at depths of approximately 1m to 7m ■ Efficient construction is achievable ■ Low-cost ground improvement is possible ■ There is less variation in strength, allowing for the construction of high-quality improved bodies ■ Construction is possible with a variety of soil properties *For more details, please download the PDF or feel free to contact us.

  • Ground foundation construction method
  • Renovation and repair methods
  • Ground improvement work

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