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Improvement works Product List and Ranking from 10 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

Improvement works Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. メインマーク 【全国対応】／東京・大阪・札幌・仙台・新潟・金沢・名古屋・福岡 Tokyo//Building materials, supplies and fixtures
  2. 東京テクノ Tokyo//others
  3. アップコン 沈下修正の専門家【全国対応】【本社】神奈川県川崎市【事務所】札幌・仙台・名古屋・大阪・福岡 Kanagawa//others
  4. 4 アサヒテクノ 東京支店 Tokyo//others
  5. 5 田中建設 Ishikawa//environment
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Improvement works Product ranking

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. Preventing safety and quality defects: Repairing floor tilt and underfloor cavities in the next fiscal year's budget. メインマーク 【全国対応】／東京・大阪・札幌・仙台・新潟・金沢・名古屋・福岡
  2. [Construction Case] Industrial Waste Factory: Floor Slab Void Filling Work アップコン 沈下修正の専門家【全国対応】【本社】神奈川県川崎市【事務所】札幌・仙台・名古屋・大阪・福岡
  3. [Construction Example] Cast-in-Place Pile Construction Using Full Circumference Rotary Casing Method 東京テクノ
  4. 4 Customer Feedback Vol. 2 Manufacturing Factory "TerraTech Method" メインマーク 【全国対応】／東京・大阪・札幌・仙台・新潟・金沢・名古屋・福岡
  5. 4 [Construction Example] Atsugi City Surface Improvement Using Mixing Bucket 東京テクノ

Improvement works Product List

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Customer Feedback Vol. 2 Manufacturing Factory "TerraTech Method"

Customer Feedback Vol. 2 Manufacturing Factory "TerraTech Method"

Introducing a discussion with Akebono Industries, who conducted a floor deflection reduction project using the Teratec method.

In July 2016, we spoke with Mr. Tatsuya Abe, the President, and Mr. Kiyotaka Abe, the Executive Vice President of Akebono Sangyo Co., Ltd., who conducted a floor deflection reduction project at their factory using our "Teratech Method." The company is headquartered in Minamisenju, Arakawa Ward, Tokyo, and has its first and second factories in Noda City, Chiba Prefecture. They primarily manufacture rubber mats and carpets for automobiles and are expanding their business into the production of industrial materials. This document includes information on the situation before construction, the issues faced, and the reasons for choosing our company. [Contents] - Situation before construction and the trigger for the inquiry - Reasons for choosing our company - Issues caused by floor deflection - Information about our construction work *You can download materials that include customer feedback. *For more details, please feel free to contact us. Toll-free number: 0120-873-835

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Customer Feedback Vol. 1: Warehouse "Teratec Method"

Customer Feedback Vol. 1: Warehouse "Teratec Method"

Introducing a discussion with Chuo Packing Transport, who performed subsidence correction of a warehouse using the TerraTech method.

In February 2017, we spoke with Mr. Yoshinori Shitaira, Executive Director of Chuo Packing Transport Co., Ltd., about the floor sinking correction work carried out in their warehouse using the "TerraTech Method." Chuo Packing Transport Co., Ltd., headquartered in Suginami Ward, Tokyo, is a transportation, warehousing, and recycling company. Founded in 1969, it has contributed to the development of the Japanese economy through office relocations for corporations, seasonal product storage/management, document storage services, PC kitting services, and logistics. This document includes information on the situation before construction, reasons for choosing our company, and details about the work performed. [Contents] ■ Situation before construction and the trigger for the inquiry ■ Reasons for choosing the TerraTech Method ■ Reasons for choosing our company ■ Impressions after construction *You can download materials containing customer feedback. *For more details, please feel free to contact us. Toll-free number: 0120-873-835

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[Construction Case] Industrial Waste Factory: Floor Slab Void Filling Work

[Construction Case] Industrial Waste Factory: Floor Slab Void Filling Work

The impact of weak ground! Introducing a case where 100% filling was achieved without gaps, eliminating voids and cavities under the floor.

We would like to introduce a case of "filling voids and cavities under the concrete floor" carried out at a waste disposal facility in Chiba Prefecture. Due to the influence of weak ground, the ground level dropped, creating large voids beneath the concrete floor. We injected polyurethane resin under the concrete to fill these voids. After construction, it can be visually confirmed that polyurethane resin has been filled directly beneath the areas where the concrete floor was excavated. 【Case Overview】 ■ Construction Area: Approximately 710m² ■ Maximum Void: 180mm ■ Area: Chiba Prefecture ■ Construction Period: 4 days *For more details, please refer to the PDF document or feel free to contact us.

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Mitsuwa House Tech Co., Ltd. Ground Investigation, Surface, and Improvement Works

Mitsuwa House Tech Co., Ltd. Ground Investigation, Surface, and Improvement Works

Measure the soil penetration resistance, as well as the hardness or compactness, or the composition of the soil layers.

The Swedish sounding test is a method first adopted in 1913 by the Soil Committee of the Swedish State Railways to investigate the condition of poor roadbeds. It measures the penetration resistance of soil in situ to assess its hardness, softness, or compaction, as well as the composition of soil layers. Originally, Swedish sounding was primarily conducted manually (with two people operating it by hand), which sometimes resulted in slight variations in data due to the surveyor's experience. Therefore, Mitsuwa House Tech Co., Ltd. uses the latest machinery to ensure accurate data collection, connecting it to a laptop to allow for real-time verification of measurement data. Utilizing such machinery also enhances the image for clients. For more details, please contact us or refer to our catalog.

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Construction-generated soil recycling system, soil improvement work, other.

Construction-generated soil recycling system, soil improvement work, other.

Achieving environmental conservation and cost reduction at a high level towards the formation of a circular society.

In "Soil Improvement Works," we use the self-propelled soil improvement machine, Litera, to carry out ground improvement works, including the improvement of road subgrades and foundations of houses, as well as soil improvement through the mixing of various soils. In "Soil Remediation Works," we purify various contaminated soils using sludge treatment technologies and contaminated soil treatment technologies. We conduct surveys, propose various additives, and perform treatments tailored to the site. At the "Improved Soil Center," we manufacture, sell, and develop improved soil suitable for various applications. We also handle temporary storage and acceptance of construction-generated soil and engage in various technologies related to soil. The "Sludge Treatment Center" aims to become a facility that not only serves as an intermediate treatment facility for existing sludge but also focuses on the effective utilization of waste and the complete recycling of sludge. For more details, please contact us or refer to our catalog.

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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 County, 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 the 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. 【Project 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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[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 improvement 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. 【Project 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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[Construction Example] Metal Road Method

[Construction Example] Metal Road Method

Images included! We will introduce examples from dam construction projects and road improvement works.

This document introduces various examples of the "Metal Road Construction Method." It includes the construction work of the Komagome Dam in Aomori Prefecture, as well as the road improvement work on 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 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 Mount Koya ■ 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.

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[Construction Case] New Warehouse Construction T-Column Method

[Construction Case] New Warehouse Construction T-Column Method

Carefully planned and constructed to match the building! Introducing examples from the site of a new warehouse construction project.

We would like to introduce a case study of ground improvement work carried out by our company. At the site of a new warehouse construction in Chigasaki City, Kanagawa Prefecture, we implemented our original deep mixing method and T-column method. The improvement diameters varied widely, with the largest being Φ1400mm and the smallest Φ800mm, totaling five different sizes. We planned and executed the work meticulously to match the building's requirements. 【Case Overview】 ■Project Name: New Warehouse Construction T-Column Method ■Construction Date: September 30, 2019 ■Location: Chigasaki City, Kanagawa Prefecture *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] Cast-in-Place Pile Construction Using Full Circumference Rotary Casing Method

[Construction Example] Cast-in-Place Pile Construction Using Full Circumference Rotary Casing Method

Efficient and smooth construction with unique ingenuity! A case study of site foundation pile construction conducted in Machida City.

We would like to introduce a case study of the ground improvement work we have conducted. We performed the construction of foundation piles for public works in Machida City using the full rotary all-casing method. We strive for efficient and smooth construction tailored to the site conditions with our unique innovations. 【Case Overview】 ■Project Name: Site-cast pile construction using the full rotary all-casing method in Machida City ■Construction Date: July 24, 2020 ■Location: Machida City, Tokyo *For more details, please refer to the PDF materials or feel free to contact us.

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[Construction Example] Nihonbashi, Chuo-ku, Tokyo T-Column Method (Deep Mixing Method)

[Construction Example] Nihonbashi, Chuo-ku, Tokyo T-Column Method (Deep Mixing Method)

Introducing a case where the T-column method was implemented in a strict and narrow space to improve φ1000!

We would like to introduce a case study of the ground improvement work we conducted. In Nihonbashi, Chuo Ward, Tokyo, we performed the T-column method (deep mixing method) using construction machine S-15. We have introduced this case with images in the related links, so please take a look. 【Case Overview】 ■ Project Name: T-column Method (Deep Mixing Method) in Nihonbashi, Chuo Ward, Tokyo ■ Construction Date: June 5, 2021 ■ Location: Nihonbashi, Chuo Ward, Tokyo *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] Ground Improvement using Deep Mixing Method (T-Column Method)

[Construction Case] Ground Improvement using Deep Mixing Method (T-Column Method)

Construction example of ground column improvement work with a pile diameter of Φ160 at 3 locations, totaling 170 piles!

We would like to introduce a case study of the ground improvement work carried out by our company. In Machida City, Tokyo, the columnar improvement work for the newly constructed Tokiwa Ground within the Obirin Gakuen Machida Campus has begun, utilizing the original method "T-Column Method," which has obtained technical review certification and is a deep mixing treatment method. This project involves columnar improvement work for the ground, special L-shaped retaining walls, and L-shaped retaining walls. 【Case Overview】 ■ Project Name: Ground Improvement Using Deep Mixing Treatment Method (T-Column Method) ■ Construction Date: September 3, 2020 ■ Location: Tokiwa-cho, Machida City, Tokyo ■ Details: Pile diameter Φ160, total of 170 piles *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Case] T Column Method, Odawara City, Kanagawa Prefecture

[Construction Case] T Column Method, Odawara City, Kanagawa Prefecture

Introducing a case of ground improvement work conducted in Odawara City, Kanagawa Prefecture on September 30, 2021!

We would like to introduce a case study of the ground improvement work we conducted. In a factory located in Odawara City, Kanagawa Prefecture, we implemented our original deep mixing treatment method, the T-column method (Construction Technology Examination Certificate). We have provided images and details of this case in the related links, so please take a look. 【Case Overview】 ■ Project Name: T-Column Method in Odawara City, Kanagawa Prefecture ■ Construction Date: September 30, 2021 ■ Location: Odawara City, Kanagawa Prefecture *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] T-Column Method (Deep Mixing Method) in Machida City, Tokyo

[Construction Example] T-Column Method (Deep Mixing Method) in Machida City, Tokyo

Leave your foundation construction work to us! Excavation length of 9.0m, with 120 construction sites as examples.

We would like to introduce a case study of the ground improvement work we conducted. In Machida City, Tokyo, we implemented our original T-column method (deep mixing method). The excavation length was 9.0 meters, with 120 construction locations, and a silo for the solidifying agent was installed for the work. We have provided images of this case study in the related links, so please take a look. 【Case Overview】 ■ Project Name: T-column Method (Deep Mixing Method) in Machida City, Tokyo ■ Construction Date: October 9, 2021 ■ Location: Machida City, Tokyo *For more details, please refer to the PDF document or feel free to contact us.

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Construction Case: Injection Work

Construction Case: Injection Work

Injecting a solidifying agent into the voids of sandy soil! Introducing a method to improve it into a stable ground.

"Injection" is a method of improving sandy ground by injecting a solidifying agent (chemical solution) into the voids of the soil to create a stable foundation. First, a survey is conducted to check for any obstacles, and the construction site is marked. A boring machine is set up, and while supplying drilling fluid (chemical solutions A and B), the drilling rod is pressurized and injected to drill to the specified depth. In the first injection, a quick-setting type of chemical is used to fill large voids in loose sand layers and cohesive soil sections, preventing the injected chemical from diffusing or escaping from the injection site. In the second injection, a medium-setting to slow-setting type of chemical is used to permeate and inject into the smaller voids of sandy ground that contain a significant amount of medium to well-compacted sand layers and cohesive soil, solidifying the ground as a whole. Once the specified injection amount for one stage is reached, the process moves to the next stage, and after repeating this for all stages, the chemical solution is replaced with water to fill the injection holes while withdrawing the rods. *For more details, please refer to the related link page or feel free to contact us.*

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Preventing safety and quality defects: Repairing floor tilt and underfloor cavities in the next fiscal year's budget.

Preventing safety and quality defects: Repairing floor tilt and underfloor cavities in the next fiscal year's budget.

The slope and invisible cavities under the floor that lead to accidents. Would you like to ensure safety and quality with floor repairs?

Tilted floors, wobbly shelves, unusual noises from equipment, poor drainage... The cause may actually be "voids under the floor." If left unaddressed, this can lead to falling objects, product defects, and even risks of workplace accidents. With over 4,500 successful cases since our founding, the "Teratec Method" allows for construction without moving equipment or cargo, and while keeping the site operational! You no longer need to worry about "stopping work for construction." As you prepare for next year's repair plans, why not first assess the current situation? If you notice any small irregularities, feel free to consult us. For inquiries, please call: 0120-873-835 For more details, visit "Contact Us via Web" or "Download Catalog"!

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[Construction Example] Laundry Factory: Filling Work for Loose Ground Under Machinery Foundation

[Construction Example] Laundry Factory: Filling Work for Loose Ground Under Machinery Foundation

Injecting urethane under the mechanical foundation to resolve ground looseness! Solved in a short construction period of one day.

We would like to introduce a case of "filling work for loosening under the machine foundation and urethane filling work inside the pit" conducted at a laundry factory in Kanagawa Prefecture. Due to the loosening of the ground under the machine foundation, the dewatering machine tilted. Therefore, we performed filling work to inject urethane under the machine foundation to resolve the ground loosening, and also carried out work to fill urethane inside the pit where the dewatering machine is installed to prevent further subsidence. After the construction, we conducted a filling confirmation using a CCD camera and confirmed that the urethane was evenly filled under the machine foundation. [Case Overview] ■ Construction Area: 10m2 ■ Construction Period: 1 day ■ Area: Kanagawa Prefecture *For more details, please refer to the PDF document or feel free to contact us.

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Overview of the A&S Method

Overview of the A&S Method

Low cost, shortened construction period! Apply compressive force to weak ground to increase strength.

The "A&S Method" is a consolidation dewatering method that adds embankment to the ground improvement method "SKK Method," which enhances the groundwater recovery capacity. Since the ground that has been vaporized under vacuum has minimal subsidence as it is, compressed air is sent to the sand layer surface using a large compressor, generating uplift pressure from the air pressure. The step-type Qin-TAKO compresses the cohesive soil directly and uniformly. By reducing the water content ratio through air blowing and then vaporizing the entire area under vacuum, compression subsidence is achieved due to atmospheric pressure and embankment weight. The reduction in water content ratio and compression subsidence can increase the strength of the ground. 【Features】 ■ Low cost ■ Short construction period (approximately 3 months) ■ No restrictions on construction speed during embankment *For more details, please refer to the PDF materials or feel free to contact us.

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[Construction Case] Sagamihara City, Midori Ward, T Column New Construction and Renovation Work

[Construction Case] Sagamihara City, Midori Ward, T Column New Construction and Renovation Work

A total of 290 construction locations with an excavation length of approximately 10m! An example of columnar improvement work using the T-column method.

We would like to introduce a case study of the ground improvement work conducted by our company. In a vast area in Tsukui, Sagamihara City, we performed columnar improvement work using our original deep mixing method and T-column method. Due to the construction involving 290 locations and an excavation depth of approximately 10 meters, we installed a 30-ton silo and plant for the solidifying agent. The solidifying agent was delivered daily, and the work was successfully completed. 【Case Overview】 ■ Project Name: T-Column New Construction and Renovation Work in Midori Ward, Sagamihara City ■ Construction Date: March 16, 2020 ■ Location: Chigira, Midori Ward, Sagamihara City *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] Atsugi City Surface Improvement Using Mixing Bucket

[Construction Example] Atsugi City Surface Improvement Using Mixing Bucket

Introducing a case of surface improvement related to new construction work conducted in Atsugi City, Kanagawa Prefecture!

We would like to introduce a case study of ground improvement work carried out by our company. In Atsugi City, Kanagawa Prefecture, we performed surface improvement work associated with the new construction of the Atsugi Fire Station South Mouri Branch. A mixing bucket was attached to a 0.7 backhoe, and we mixed 162 tons of solidifying material for an area of 893 m². 【Case Overview】 ■ Project Name: Surface Improvement in Atsugi City Using a Mixing Bucket ■ Construction Date: October 14, 2020 ■ Location: Nagase, Atsugi City, Kanagawa Prefecture *For more details, please refer to the PDF document or feel free to contact us.

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[Construction Example] Sagamihara City, Midori Ward T-Column Method (Deep Mixing Method)

[Construction Example] Sagamihara City, Midori Ward T-Column Method (Deep Mixing Method)

There are original construction machines and unique construction methods! An example using a 30t silo with the T-column method.

We would like to introduce a case study of the ground improvement work we conducted. In Midori Ward, Sagamihara City, we implemented our original T-column method (deep mixing method). This was carried out using a newly purchased 30t silo. Our company has many achievements with original construction equipment and unique methods. You can find more details about the case in the related links. 【Case Overview】 ■ Project Name: T-column Method (Deep Mixing Method) in Midori Ward, Sagamihara City ■ Construction Date: December 22, 2021 ■ Location: Midori Ward, Sagamihara City ■ Details: Φ1000 L=10.0m 173 pieces *For more information, please refer to the PDF materials or feel free to contact us.

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Foundation work and ground improvement work associated with tents *Available nationwide!

Foundation work and ground improvement work associated with tents *Available nationwide!

We handle various works such as foundation work related to tents, ground improvement work, floor work, and exterior construction work.

Takashima Corporation conducts foundation work and ground improvement work associated with tents. 【Foundation Work】 Depending on the size of the tent and the conditions of the installation site, structural calculations are performed to determine the size of the foundation. Foundation work can be carried out nationwide, just like tent construction. Please feel free to consult us about other work such as floor slab construction and exterior work. 【Ground Improvement】 Before performing foundation work, if the existing ground does not meet the required bearing capacity and is weak, ground improvement work is conducted to reinforce the ground. The types of ground improvement vary based on the depth of the supporting layer and the required bearing capacity, including piles, columnar improvement, and surface improvement. However, surface improvement, which involves mixing and stirring cement-based improvement materials with the existing soil to achieve the necessary bearing capacity, is common. Our company can also provide nationwide support for ground improvement work, just like foundation work.

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Significant cost reduction: Recycling soil on construction sites with the 'Litera Method'

Significant cost reduction: Recycling soil on construction sites with the 'Litera Method'

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

The "Litera Method" is a construction technique that uses a self-propelled soil improvement machine called "Litera" to mix soil and solidifying agents on construction sites. It can be implemented in narrow yards and offers high improvement efficiency, significantly reducing the drop of unmodified areas. Due to the low dust generation, it can also be used in residential areas and alongside roads. Examples of this method's application include "safety measures for skin drop at tunnel portal heads" and "dust control" among other construction cases. 【Features】 ■ Prevention of environmental destruction and elimination of secondary pollution ■ Significant cost reduction made possible by on-site processing ■ High-quality assurance due to the use of high-performance soil improvement machinery ■ Capability to work in narrow yards ■ High improvement efficiency, greatly reducing the drop of unmodified areas ■ Low dust generation allows for use in residential areas and alongside roads *For more details, please refer to the PDF document or feel free to contact us.

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