Improvement works Product List and Ranking from 42 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

Improvement works Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

  1. 太洋基礎工業 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 エルニード協会 Kagawa//Other construction industries
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Improvement works Product ranking

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

  1. TRD method 太洋基礎工業
  2. HiroWork Kmighty Method 太洋基礎工業
  3. Groundwater Level Measurement Method (Chikachan) HOKOKU ENGINEERING CO.,LTD.
  4. 4 For deep excavation work and cutting/removal of underground obstacles! Super Top Method. 太洋基礎工業
  5. 5 Bauer method 太洋基礎工業

Improvement works Product List

31～45 item / All 99 items

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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

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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

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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

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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

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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

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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

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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

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Construction Case Study Catalog: "Breakwater Improvement and Reinforcement Work"

Construction Case Study Catalog: "Breakwater Improvement and Reinforcement Work"

From planning materials to construction! Introducing the breakwater improvement and reinforcement work carried out at Hakata Port.

This catalog introduces the "Breakwater Improvement and Reinforcement Work" conducted by Marine Works Co., Ltd., which mainly engages in construction and operations in the field of marine work. Our company utilizes years of experience and achievements to implement underwater construction related to the planning of construction methods and materials in port construction, as well as the new construction, repair, and improvement of various structures. [Contents] ■ Construction Details ■ Construction Procedures ■ Process Management ■ Shape Management ■ Quality Control ■ List of Underwater Construction Techniques *For more details, please refer to the PDF document or feel free to contact us.

  • Work boats, research vessels, underwater work machines
  • others

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[Metal Road Construction Method Case Study] Nara Prefecture Road Improvement Project

[Metal Road Construction Method Case Study] Nara Prefecture Road Improvement Project

Ensuring safe and smooth passage! Case study of road improvement work on National Route 425, Jūzato to Sakon Nishikawa section (II-2 section).

National Route 425 in Nara Prefecture is a road that facilitates regional exchange, connecting the city of Gobō in Wakayama Prefecture and the village of Totsukawa in Yoshino District, Nara Prefecture. However, there are continuous sections with narrow widths and poor alignment, making it difficult for vehicles to pass each other in many areas. Therefore, construction was carried out with the aim of eliminating narrow width sections, ensuring safe and smooth passage, and contributing to tourism promotion. The site is located within the area of the World Heritage Kumano Kodo, and due to the need for consideration of the landscape and the preservation of water channels, the metal road construction method was adopted. 【Case Overview】 ■ Client: Nara Prefecture, Gojō Civil Engineering Office ■ Construction Period: January 5, 2022 – June 30, 2022 ■ Total Length: 19.0m ■ Width: 6.95m *For more details, please refer to the PDF document or feel free to contact us.

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  • Special Construction Method

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[Metal Road Construction Method Case Study] Yamanashi Prefecture Road Improvement Project

[Metal Road Construction Method Case Study] Yamanashi Prefecture Road Improvement Project

Design and construction that avoids interference with existing structures is possible! Here is a case study on the main local road Fujikawa-Minobu Line.

Here is an example from the emergency road maintenance and reconstruction project ordered by Yamanashi Prefecture. The Fujikawa Minobu Line (Prefectural Road No. 10) is an important route designated as a second emergency transport road. The site had a thick alluvial fan layer, and existing structures (stone walls and drainage) were in close proximity, creating a challenging environment. As a result, the design and construction that could avoid interference with existing structures while ensuring traffic on the existing road was evaluated positively, leading to the adoption of the metal road construction method. 【Case Overview】 ■ Client: Yamanashi Prefecture, Kōnan Construction Office (Minobu Branch) ■ Construction Period: March 24, 2021 – August 31, 2022 ■ Total Length: 42.5m ■ Width: 7.0m (8.2m) *For more details, please refer to the PDF document or feel free to contact us.

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  • Special Construction Method

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[Construction Example] Metal Road Method

[Construction Example] Metal Road Method

Images included! Introducing examples from dam construction work and road improvement projects.

This document introduces various examples of the "Metal Road Construction Method." It includes the construction work for the main body of the Komagome Dam in Aomori Prefecture, as well as the road improvement work for the Koiwai Motokoiwai Line in Saitama Prefecture. Images are also included, so please download and view them from the related catalog below. [Contents] ■ Aomori Prefecture: Komagome Dam Main Body Construction Work ■ Saitama Prefecture: Koiwai Motokoiwai Line Road Improvement Work ■ Yamanashi Prefecture: General Prefectural Road Takashita Kashizawa Line Road Improvement Work ■ Shizuoka Prefecture: (National) Route 136 Disaster Prevention and Safety Grant (National Road Reconstruction) Work ■ Wakayama Prefecture: National Route 480 Koyasan ■ Kumamoto Prefecture: National Route 445 (Kuzurese Work Section) Vitality Infrastructure Grant (Road Improvement) Work *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method

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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

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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

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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

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