Pile construction method Product List and Ranking from 33 Manufacturers, Suppliers and Companies | IPROS

Last Updated: Aggregation Period:Sep 09, 2026~Oct 06, 2026
This ranking is based on the number of page views on our site.

Pile construction method Manufacturer, Suppliers and Company Rankings

Last Updated: Aggregation Period:Sep 09, 2026~Oct 06, 2026
This ranking is based on the number of page views on our site.

  1. 菱建基礎 本社 Tokyo//General contractors and subcontractors
  2. 朔鷹 Osaka//Other construction industries
  3. 大亜ソイル Tokyo//Other construction industries
  4. 4 ジオテック Tokyo//Other construction industries
  5. 5 ジャストワン Saitama//Other construction industries

Pile construction method Product ranking

Last Updated: Aggregation Period:Sep 09, 2026~Oct 06, 2026
This ranking is based on the number of page views on our site.

  1. Hang Work Method: "SKT (Skat) Method" 朔鷹
  2. [NETIS Registration] Preventing Excessive Outflow of Ready-Mixed Concrete! "Resophon Pier Method" 大亜ソイル
  3. Vibratory Tremie Method for Cast-in-Place Concrete Piles 菱建基礎 本社
  4. 4 Steel Pipe Pile Method "JUST-ES (Justice Method)" ジャストワン
  5. 5 Earth Drill Expansion Pile (newACE) Method 菱建基礎 本社

Pile construction method Product List

1~30 item / All 108 items

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Ground reinforcement work | Significantly reduce construction costs and duration with cost-saving DM method.

Reduce soil disposal costs and construction costs with bolt connections that do not require welding and non-dredging rotary penetration. Achieve economical and reliable ground reinforcement with the DM method, which has obtained performance certification.

The "DM Method (Double Metal Method)" developed by Geotech Co., Ltd. is a ground reinforcement method using small-diameter steel pipe piles that significantly reduces on-site construction costs and time. In ground reinforcement work to ensure the safety of buildings, this method adopts a structure where cast iron tip wings are bolted together on-site, reducing the labor and costs associated with traditional welding work. Furthermore, the use of non-disposal rotary penetration construction without cement milk completely eliminates the disposal costs of generated residual soil and the hassle of transporting it off-site. It accommodates pouring with compact small construction machinery, allowing for smooth construction even in narrow sites or areas with limited road widths. The applicable range includes small-scale buildings with three stories or fewer and a total floor area of 500 square meters or less, as well as various retaining walls, based on reliable technical capabilities certified by GBRC performance certification (No. 10-01). Through strict component management at its own factory, a rapid construction system by certified construction companies nationwide, and high traceability via construction data management devices, it provides the highest level of quality and reliable ground guarantees at low costs.

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • Pile construction method

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Ground reinforcement work | Building a reliable and safe foundation structure with the DM method for obtaining performance certification.

DM method for obtaining GBRC performance certification. With high support strength from ductile cast iron tips and bolt connections, it is ideal for ground reinforcement of retaining walls and small-scale buildings.

The "DM Method (Double Metal Method)" provided by Geotech Co., Ltd. is a steel pipe pile method that boasts high construction performance and reliability in ground reinforcement for small-scale buildings and various retaining walls. In ground reinforcement work to prevent differential settlement of buildings, this method employs a groundbreaking technology that bolts high-quality ductile cast iron tip wings to the steel pipe. By eliminating strength variations caused by welding, large wings with a maximum diameter of 350mm reliably generate tremendous tip support strength. Due to its no-excavation, low-noise, and low-vibration construction that does not use cement, it can be safely implemented even in environmentally sensitive sites. It has obtained the GBRC performance certification (No. 10-01) from the Japan Building Disaster Prevention Association, enabling advanced and rational design based on SWS testing. With strict manufacturing management at our own factory and real-time monitoring through construction management systems, along with a robust system supported by construction association members nationwide, we deliver the best ground reinforcement solutions with reliability and traceability.

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • Pile construction method

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Ground reinforcement work | Completely prevent building settlement with the DM method that standardizes construction quality.

Uniform construction quality in bolt joints without welding. By utilizing advanced real-time data management and high-support-capacity leading edges, we build a safe foundation that prevents differential settlement.

GeoTech Co., Ltd. offers the "DM Method (Double Metal Method)," a small-diameter steel pipe pile ground reinforcement technique that achieves uniform construction quality on-site and advanced data management. In ground reinforcement work to prevent differential settlement of buildings, this method employs a weldless structure that bolts ductile cast iron tip wings to the steel pipe, eliminating quality variations caused by the skills of the contractor. It uses high-quality components that have undergone strict inspection at its own factory, ensuring reliable tip support strength with tip wings up to 3.5 times the diameter of the steel pipe. Additionally, during construction, a construction management device tracks and records rotational torque and penetration depth in real-time, ensuring reliable stop management and traceability. The method does not produce construction waste due to non-displacement rotary penetration construction that does not use cement milk, and it is environmentally friendly with low noise and low vibration. With trusted technology certified by GBRC performance certification (No. 10-01) and a nationwide construction management system, we provide the highest level of safety and reliable ground guarantees.

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • Pile construction method

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Ground reinforcement work | Building environmentally friendly foundations using DM method with recycled materials.

Advanced wings for the reuse of iron scrap and soil-free penetration without cement. A sustainable DM method that dramatically reduces environmental impact while achieving high load-bearing capacity.

GeoTech Co., Ltd. offers the "DM Method (Double Metal Method)," an environmentally friendly small-diameter steel pipe pile ground reinforcement method that achieves environmental conservation through the reuse of iron scrap and the absence of cement. In ground reinforcement work to prevent differential settlement of buildings, this method employs large ductile cast iron tip wings made from recycled materials (FOD450A), contributing to sustainable foundation construction that aligns with a decarbonized society. Since it does not use cement milk, there is no risk of soil contamination such as hexavalent chromium leaching, and no construction waste is generated due to the no-excavation method. The structure, which bolts large wings up to 3.5 times the diameter of the steel pipe, exhibits high tip support strength and has obtained GBRC performance certification (No. 10-01) from the General Incorporated Foundation Japan Building Comprehensive Testing Institute. Through strict quality inspections at its own assembly factory and real-time management of construction data, along with a nationwide network of construction association members, it provides the highest level of technical reliability and quality assurance.

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

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Ground reinforcement work | A reliable structure that prevents differential settlement accidents of buildings using the high-support capacity DM method.

Large cast iron wings and bolt-fixed structures boasting a diameter up to 3.5 times that of steel pipes. The DM method demonstrates tremendous tip support strength, eliminating subsidence accidents in small-scale buildings.

GeoTech Co., Ltd. offers the "DM Method (Double Metal Method)" nationwide, which is a small-diameter steel pipe pile ground reinforcement technology that completely prevents differential settlement accidents in buildings and ensures long-term safety. In ground reinforcement work that firmly supports buildings, this method employs a unique design that attaches large ductile cast iron tip wings with diameters of 3.0 times (290mm) and 3.5 times (350mm) the shaft diameter of 101.6mm steel pipes. By enhancing joint strength with robust bolt fixation, it exhibits tremendous tip support strength in the ground. The construction method, which does not use cement and employs non-displacement rotary penetration, does not disturb the ground and enables low-noise and low-vibration construction in the surrounding environment. It has obtained GBRC performance certification (No. 10-01) and allows for reliable allowable bearing capacity calculations based on SWS testing. Through in-house component management, a nationwide network of construction association members, and real-time data tracking using construction management devices, it strongly protects the asset value of clients over an extended period with high strength and complete quality assurance.

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

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High Support Strength Construction Method / Medium Excavation High Support Strength Method "Hyper-NAKS Method"

High load-bearing method using the middle excavation expansion foundation method.

The Hyper-NAKS method is a type of embedded construction method classified as a middle excavation and enlarged root solidification method, using precast concrete piles (with the lower pile being ONA105-S). This method excavates the ground at the tip of the pile using a hydraulic expansion bit at the tip of a spiral auger inserted into the hollow part of the pile, while discharging the excavated soil through the hollow part of the pile to the discharge bucket at the top of the pile, allowing the pile to be installed by its own weight and forced pressure input. 【Features】 ○ Dramatic transformation of the bearing capacity calculation formula ○ Increased maximum pile diameter up to φ1200mm ○ Root solidification bulb construction using hydraulic expansion bits ○ Excellent construction performance and reliability with no-weld joints ○ Standard equipped with a discharge bucket For more details, please contact us or download the catalog.

  • Earthworks
  • Piles, caissons, sheet piles
  • Pile and foundation work
  • Pile construction method

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Soil groundwater automatic purification system "3N injection method"

Biostimulation proposed by foundation ground consultants!

The "3N Injection Method" involves injecting three types of N (nano-bubble water, oil nano-decomposing agents, and nutrient salts) into the ground to purify the oil content in the soil and groundwater by activating in-situ oil-decomposing microorganisms. While utilizing the land and depending on the budget, effective purification will be carried out with a purification forecast that can be as quick as within one year or over several years, depending on the state of contamination. 【Features】 ■ Purification can be carried out while the building remains operational ■ Purification is possible according to the annual budget ■ The system's parts are compact and lightweight, making transportation, installation, and system modification easy ■ The purification system can operate automatically using solar power even without an electrical supply ■ The installation area for the purification system equipment is approximately 2m x 4m or less *For more details, please refer to the PDF document or feel free to contact us.

  • Geological Survey
  • Special Construction Method
  • Ground improvement
  • Pile construction method

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GP Sampler

High-quality sampling of ground containing gravel, gravelly soil, and fragmented gravel is possible!

The "GP Sampler" is a sampler that performs the sampling technique "GP Sampling" to collect high-quality samples from unconsolidated ground. It can collect ground that previously could only be sampled using frozen sampling with equivalent quality. It is also possible to perform small-diameter GP sampling from the high-quality cores obtained. We offer three types of samplers depending on the target soil. 【Features】 ■ Capable of high-quality sampling from unconsolidated ground ■ Can sample ground that previously could only be collected using frozen sampling with equivalent quality ■ Allows for the extraction of high-quality test pieces from block sampling samples ■ Tri-axial testing can be conducted directly on samples with large-diameter gravel, such as φ300mm samples *For more details, please refer to the PDF document or feel free to contact us.

  • Other civil engineering works
  • Geological Survey Company
  • Geological Survey
  • Pile construction method

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Low Discharge High Friction Method "ATT Column STKT590"

Towards further high support capacity: Environmentally friendly low discharge high friction method "At Column"

The ATT column, which started as a friction pile for soft ground, is increasingly being adopted as a point-bearing pile due to improvements in drilling capabilities through the introduction of high-torque machinery. By incorporating high-tensile steel pipe STKT590, the "bearing capacity of the pile material," which was often insufficient when used as a point-bearing pile, has significantly increased, enabling more economical foundation design compared to conventional ATT columns. 【Features】 ○ Exhibits large vertical and horizontal forces ○ Demonstrates high pull-out resistance For more details, please contact us or download the catalog.

  • Ground foundation construction method
  • Pile construction method

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[Rental] Lid for aquarium tank

The number of divisions is 6! It also includes civil engineering construction work, plant maintenance, and emergency response, etc.

We would like to introduce our rental product, the "Cover for Water Tank 42m3 and 35m3 (6-part)". Since it is a split type, it can be placed inside the tank for transportation. It can be utilized not only at civil engineering sites for rainwater and odor control but also at plants and water treatment facilities. You can also leave the delivery to the site to us. 【Specifications for 42m3】 ■Dimensions: 9,636 × 2,412 ■Weight: 1,814kg ■Number of parts: 6 *For more details, please download the PDF or feel free to contact us.

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Tank lid for water tank

Rainwater measures and odor control have been well received! The lineup has increased.

We would like to introduce our "tank covers" that we handle. Our lineup of tank covers, which are well-received for rainwater and odor prevention, has increased. We offer options for 32m3, 26m3, 24m3, and 20m3 tanks, among others. Please feel free to contact us when you need assistance. 【Lineup】 ■ For 42m3 ■ For 35m3 ■ For 32m3 ■ For 26m3 ■ For 24m3 *For more details, please download the PDF or feel free to contact us.

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Pipe bracket

Can be installed regardless of mountains or shields! We accept design and manufacturing according to pipe diameter.

We would like to introduce the "Piping Brackets" that we handle. We manufacture piping racks tailored to the site, regardless of pipe diameter. We offer J-type rack and U-bolt fixed types. We can also manufacture other cable racks. Please feel free to contact us when you need assistance. 【Features】 ■ Can be installed regardless of mountain or shield (can also be used with lighting) ■ We accept design and manufacturing according to pipe diameter ■ Available in J-type rack and U-bolt fixed types (Other cable racks can also be manufactured) *For more details, please download the PDF or feel free to contact us.

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Rotary Driven Steel Pipe Piles "G-ECS PILE Construction Case Studies"

We aim to achieve a sustainable society that takes the environment into consideration.

The "G-ECS PILE method" is a steel pipe pile foundation method that exhibits the highest support capacity coefficients in various ground conditions. It is environmentally friendly and can be constructed in narrow spaces and access roads. By simplifying the pile design and reducing the size of construction machinery, we have also achieved cost reductions in manufacturing and construction. This method consolidates the development and technical capabilities of Sansei and addresses the challenges faced by current pile foundation construction. 【Product Lineup】 ○ Mid-rise buildings ○ Low-rise buildings ○ Civil engineering For more details, please contact us or download the catalog.

  • others
  • Pile construction method

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Zypex method

The durability of concrete has dramatically improved! [NETIS registered] We are exploring new possibilities for concrete that continues to regenerate semi-permanently.

Zypex is a concrete modification material that densifies the structure by promoting the growth of cement crystals in defects such as voids and cracks within the concrete, thereby blocking deterioration factors like water and enhancing waterproof performance to improve the durability of the structure. ■Mechanism of Concrete Densification■ The mechanism of densification by Zypex involves mixing concentrated powder with a specified amount of clean water to create a paste, which is then applied or sprayed onto the surface of the concrete. This allows catalytic compounds to penetrate deep into the concrete, promoting the growth of new cement crystals at the capillary voids and crack interfaces, thereby densifying the concrete structure itself. The depth of modification through crystallization can vary depending on the concrete conditions, but it can extend to over 30 cm in a moist environment.

  • Waterproofing work
  • Renovation and repair methods
  • Waterproofing Agent
  • Pile construction method

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Non-vibration low-noise static compaction sand pile method 'KS-EGG-SE method'

Smooth construction even in areas close to urban areas and structures by reducing vibration and noise! NETIS number: KTK-180001-A

The "KS-EGG-SE Method" is a ground improvement technique for soft ground that achieves reduced vibration and noise, utilizing a non-vibrating, low-noise sand compaction pile method (static compaction sand pile method). In conventional sand compaction pile methods (vibrating SCP method), the impact of vibration and noise on surrounding areas is significant, particularly in urban areas or regions close to structures, which can hinder smooth construction execution. The "KS-EGG-SE Method" is designed to address such situations. In sandy ground, it serves as a countermeasure against liquefaction, while in cohesive soil, it is one of the density-increasing methods that enhance ground stability by increasing bearing capacity. 【Features】 - Non-vibrating, low noise… Smaller compared to vibrating SCP methods - Assurance of quality… Higher compaction effect on the ground. Comparable improvement effect to vibrating methods during construction - High construction capability… Can penetrate even with some obstacles or hard layers. Cost-effective and rapid construction is possible as pre-excavation is not required - Use of recycled materials… Effective utilization of materials such as glass sand, recycled crushed stone, and slag as pile materials For more details, please refer to the PDF document or feel free to contact us.

  • Ground improvement
  • Pile construction method

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Small-diameter steel pipe pile construction method

Soft ground countermeasures! A small-diameter steel pipe pile method that supports your important home with a strong bearing layer.

The "Small Diameter Steel Pipe Pile Method" is a support pile method that uses general-purpose carbon steel pipes STK-400 to reach the bearing layer and support the building. Since the steel pipe piles penetrate through soft layers, they are hardly affected by soil conditions or water levels. The installation through rotary insertion generates minimal vibrations and noise, which are often a concern for nearby areas. Additionally, it features a wide adaptability to ground conditions and site conditions, and by selecting appropriate construction machinery, it can also accommodate narrow sites. 【Features】 - Supports buildings by reaching the bearing layer with general-purpose carbon steel pipes STK-400. - Steel pipe piles penetrate through soft layers, resulting in minimal influence from soil conditions or water levels. - Generates minimal vibrations and noise that could affect nearby areas. - Wide adaptability to ground conditions and site conditions. - Can accommodate narrow sites through the selection of construction machinery. *For more details, please refer to the PDF materials or feel free to contact us.*

  • Civil Engineering Method
  • Pile construction method

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Introduction to the high-support capacity pile driving method "MRXX Method"

A high-support pile method that allows for significant apex support strength due to the establishment of high-intensity expanded root solidification bulbs.

At Toyo Asano Co., Ltd., we offer the 'MRXX Method,' which generates high bearing capacity by securing ST piles with special fittings at the pile tip to enlarged root solidification bulbs. The enlarged root solidification bulbs are constructed significantly and reliably using a hydraulic expansion wing drilling bit. Additionally, we utilize a dedicated construction management device to monitor the process, allowing real-time visual observation of the integral current values and the construction status of the enlarged root solidification bulbs. 【Method Overview】 ■ High tip bearing capacity ■ Compatible with various ground conditions ■ Minimal impact on the surrounding environment ■ High horizontal resistance ■ Reliability of enlarged excavation ■ Ensured construction management *For more details, please download the PDF or contact us.

  • Other civil engineering works
  • Pile construction method

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杭工法『Hyper-MEGA』

これまでの工法をはるかにしのぐ支持力性能!バリエーション豊かな設計が可能に

基礎工事を行なっている当社の建材事業では、 工法の比較検討を行い、好適な工法をご提案いたします。 『Hyper-MEGA』は、用途に応じ節杭、ストレート杭、ST杭を使い分け 様々な組み合わせで設計できる工法です。 従来の既製コンクリート杭工法に比べて大きな支持力を確保できるため、 トータルコストが削減されます。 【特長】 ■高い信頼性 ■高い自由度 ■低コスト ※詳しくはPDF資料をご覧いただくか、お気軽にお問い合わせ下さい。

  • others
  • Pile and foundation work
  • Piles, caissons, sheet piles
  • Pile construction method

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KMN (Kemun) Method

Introducing an overview of the Kemun ST Kemun construction method!

In our construction materials business, which is engaged in foundation work, we conduct a comparative study of construction methods and propose suitable techniques. The "KMN (Kemun) Method" involves inserting a precast concrete pile with a mixing blade attached to its tip into a drilled and mixed hole, either allowing it to sink or rotating it, to secure it at a specified depth and ensure vertical load-bearing capacity. For excavation, we use an excavation bit, a spiral auger, and a drilling and mixing shaft equipped with mixing blades. *For more details, please refer to the PDF materials or feel free to contact us.*

  • others
  • Pile and foundation work
  • Piles, caissons, sheet piles
  • Pile construction method

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TBH Hangong Method

It is possible to carry out large-diameter excavation quickly and easily under narrow and low space construction conditions!

The "TBH Piling Method" is a technique that enables large-diameter boring using "reverse circulation," in contrast to the BH method, which operates on a positive circulation basis. It also resolves the issue of slime sedimentation that occurs with positive circulation drilling methods, allowing for reliable management and construction. In recent years, it has been widely adopted for active geo-front construction, demonstrating its capabilities under conditions with low headroom, such as beneath existing structures. 【Features】 - The construction machinery is compact, making it suitable for construction on small sites. - It can be used even in low working height situations, such as under elevated structures or indoors. - It is lightweight and small, facilitating easy transportation even on narrow access roads. - No heavy machinery is required for the assembly and disassembly of the machine. - The noise and vibration levels during construction are extremely low, among other benefits. *For more details, please download the PDF or feel free to contact us.*

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

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[NETIS Registration] Preventing Excessive Outflow of Ready-Mixed Concrete! "Resophon Pier Method"

Just wrap a net around the rebar cage! It blocks concrete flow and soil mixing into voids and weak ground, achieving both cost reduction and pile quality.

The "Resophon Pier Method" is a construction technique that suppresses the outflow of concrete into voids such as abandoned coal mines, air raid shelters, and underground drainage, thereby reducing material waste and construction costs, while also contributing to the quality assurance of piles. It involves covering the rebar cage with a dedicated "Resophon Net." Joint research with Kyoto University has shown that even when the net is attached, the surface friction force is comparable to that of standard concrete piles (approximately 0.9 to 1.1 times), and methods are available to reduce it to about 0.9 times, which is equivalent or on the safe side. This is a NETIS registered technology that can be widely applied, ranging from site-cast pile methods such as earth drills, reverse, and all-casing to underground continuous wall methods. 【Features】 ■ Suppresses unnecessary concrete outflow, allowing for reductions in material waste and construction costs ■ Contributes to ensuring the shape of piles and the quality of concrete ■ Lightweight polyethylene net makes attachment to the rebar cage easy ■ NETIS registered (Registration number: KT-240066-A), Patent No. 3963921 *For more details, please refer to the materials. Feel free to contact us with any inquiries.

  • Pile and foundation work
  • Pile construction method

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All Casing Application Method: Enlarged Base Pile Method

Shortening construction time and reducing costs! This is a method that allows for the removal of obstacles and the creation of piles in one process.

The "Expanded Base Pile Method" is a construction technique that allows for the removal of existing underground structures and pile foundations of previous buildings while simultaneously installing new piles for a new building. During the pile construction of the new building, the removal of existing underground structures and piles can also be carried out at the same time. Additionally, when used in conjunction with the Earth Drill Expanded Base Pile Method, it meets a wide range of needs for the piles of new buildings. 【Features】 ■ Shortened construction period ■ Cost reduction ■ Avoidance of issues related to the remaining underground structures ■ Removal of obstacles and pile construction can be done in one process ■ Pile installation can be performed without being affected by the backfill condition after obstacle removal *For more details, please refer to the PDF materials or feel free to contact us.

  • image_03.png
  • Ground foundation construction method
  • Civil Engineering Method
  • Foundation construction
  • Pile construction method

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Earth Drill Method (Bell Earth Method)

Large-diameter and deep drilling is possible! The four-wing excavation pit allows for the construction of an excellent bell-bottom shape.

The "Earth Drill Method (Bell Earth Method)" protects the hole walls using a standpipe and stabilizing fluid, while excavation is performed by rotating a drilling bucket to cut the ground and discharge the soil contained in the bucket to the surface. For shaft excavation, a construction method suitable for the ground (full casing, reverse, earth drill) can be selected. The highly sealed bucket ensures the reliable removal of slime from the bottom of the hole, and the powerful rotational torque allows for large-diameter and deep excavation. 【Features】 ■ Shaft excavation allows for the selection of a construction method suitable for the ground ■ The four-wing excavation pit enables the construction of an excellent bell shape ■ The highly sealed bucket reliably removes slime from the bottom of the hole ■ Powerful rotational torque allows for large-diameter and deep excavation *For more details, please refer to the PDF document or feel free to contact us.

  • image_02.png
  • Ground foundation construction method
  • Civil Engineering Method
  • Foundation construction
  • Pile construction method

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Vibratory Tremie Method for Cast-in-Place Concrete Piles

Apply vibration during driving to promote filling. Suppress insufficient filling at the pile head and enlarged base. Patent obtained.

The "Vibrator Tremie Method" is a construction technique that prevents issues such as poor pile head quality due to insufficient concrete filling, and enables the creation of high-quality cast-in-place concrete. By equipping the tip of the tremie pipe with a vibration device, it is possible to effectively ensure fluidity by directly applying vibrations to the concrete being extruded from the pipe. Additionally, since the vibration device is inserted into the concrete from the start of the pouring process, it also prevents the inflow of impurities and water from within the hole (stabilizing fluid). 【Features】 ■ Simultaneous compaction of concrete during pouring ■ Reduced interference with half-round or sharp hooks of rebar due to a small diameter of 250mm inner diameter and 420mm outer diameter ■ Fewer excess wires to prevent issues such as disconnection or leakage ■ Ability to adjust the amount of vibration while checking pressure with a digital gauge *For more details, please refer to the materials. Feel free to contact us with any inquiries.

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  • Ground foundation construction method
  • Civil Engineering Method
  • Foundation construction
  • Pile construction method

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H-type PC pile

Wall materials for retaining structures using precast PC components that do not require temporary earth retention.

The "H-type PC pile" is a prestressed concrete member with an H-shaped cross-section manufactured in a factory, and it is a construction method for building retaining walls by continuous driving using a three-point pile driver. During construction, it is used as a temporary retaining wall, and during the permanent phase, it is used as the completed structure. The cross-sectional dimensions are available in three types: width 1070(mm) × height 540, 640, 740(mm), and the design standard strength of the concrete is 70(N/mm²). 【Features】 ■ No need for temporary retaining walls ■ Self-supporting wall heights of up to approximately 8.5(m) are possible ■ Rigid connection with base and top slabs is possible ■ Leakage suppression effect for groundwater and other water ■ Drainage effect for rainwater and other sources ■ Low noise and low vibration construction method ■ Shortened construction period on site *For more details, please refer to the PDF materials or feel free to contact us.

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  • Retaining wall
  • Civil Engineering Method
  • Special Construction Method
  • Pile construction method

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Earth Drill Expansion Pile (newACE) Method

new ACE method

This is a method of pile foundation construction known as the expansion resistance pile method, which improves the vertical load-bearing capacity of piles by excavating the expansion resistance section in a frustum shape using a newACE bucket. An earth drill machine is used for the excavation. 【Features】 ● The excavation method for the shaft section can be selected based on the ground conditions (earth drill, all-casing, reverse). ● Expansion of up to 4.8 meters is possible, with a maximum effective expansion ratio of 4.62. ● Concrete with a maximum design strength of Fc 80 N/mm² can be used. ● Two scrapers ensure accurate measurement of the hole wall. ● The inclination angle of the expansion resistance section is consistently maintained at 12°. *For more details, please refer to the PDF document or feel free to contact us.

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  • Foundation construction machinery
  • Pile construction method

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High Friction Pile Method with Winged Steel Pipe "ATT Column(R)"

A high-friction pile method with wings applicable to architectural and civil engineering structures!

The "ATT Column (R)" is a high-friction winged steel pipe pile method that incorporates winged steel pipe piles embedded within a columnar improvement body, providing significant frictional force and high toughness. In the construction field, it has obtained ministerial certification (driven bearing capacity) and evaluation from the General Incorporated Foundation Better Living (pull-out bearing capacity). In the civil engineering field, it has received technical evaluation from the Japan Society of Civil Engineers. 【Features】 ■ Achieves large surface frictional force ■ Achieves large horizontal bearing capacity ■ Environmentally considerate construction method ■ Usable in narrow spaces *For more details, please download the PDF or feel free to contact us.

  • Ground foundation construction method
  • Pile construction method

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Steel Pipe Soil Cement Pile Method "Gantetsu Pile(R)"

A steel pipe soil-cement pile method that offers better construction efficiency compared to conventional methods and contributes to shortening construction periods!

The "Gantetsu Pile (R)" is a steel pipe soil-cement pile method that involves injecting cement milk while mixing and solidifying the in-situ soil to create a solidified body (soil-cement column) in which a steel pipe pile with protrusions on its outer surface is driven into the center. It is documented as a steel pipe soil-cement pile in road bridge guidelines and railway design standards, and has been publicly evaluated. 【Features】 ■ High load-bearing composite pile that supports with fewer units ■ Hybrid pile that utilizes the characteristics of steel pipes and soil-cement ■ Environmentally friendly pile ■ Contributes to shortening construction periods *For more details, please download the PDF or feel free to contact us.

  • Ground foundation construction method
  • Pile construction method

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Advanced Enlarged Tip Foundation Steel Pipe Pile Method 'TN-X'

Advanced expansion and foundation steel pipe pile method certified by the Minister of Land, Infrastructure, Transport and Tourism in 2005!

The "TN-X" method is a high-support steel pipe pile construction technique that achieves significant bearing capacity by constructing a maximum 2,400mm base stabilization bulb at the tip of the pile using a hydraulic expansion and contraction drilling head. It is primarily used in important structural buildings such as large logistics warehouses, government buildings, hospitals, and airport facilities that require high pile capacity. 【Features】 ■ Exhibits high bearing capacity ■ Demonstrates excellent seismic performance with steel pipe piles ■ Adopts a middle excavation method that allows for long construction lengths ■ A method that generates minimal residual soil ■ Achieves thorough quality control *For more details, please download the PDF or feel free to contact us.

  • Ground foundation construction method
  • Pile construction method

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Earth Drill Type Enlarged Base Pile Method "ECO-ACE Method"

Earth drill type enlarged base pile method that pursues environmental conservation and shortened construction period!

The "ECO-ACE Method" is a type of enlarged base pile method that allows for the entire excavation process, including the enlargement, to be carried out using the earth drill method. It can accommodate a maximum enlarged base diameter of 4.1m (construction diameter). It can be combined with the shaft excavation using three types of cast-in-place piles (earth drill, reverse, all casing). 【Features】 ■ Uses a Remo pump (mixing type slime removal pump) to extract slime ■ Improves the stable liquid to a sand content of less than 1% using a bentonite plant (sand separation device) equipped with a cyclone, ensuring reliable liquid replacement ■ Easy management of enlarged base excavation construction and reliable processing of the enlarged base *For more details, please download the PDF or feel free to contact us.

  • Ground foundation construction method
  • Civil Engineering Method
  • Pile construction method

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