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三誠

EstablishmentFebruary 24, 1995
capital1000Ten thousand
number of employees134
addressTokyo/Chuo-ku/9th Floor, Across Shinkawa Building, 1-8-8 Shinkawa
phone03-3551-0211
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last updated:Feb 27, 2020
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Expaire Comprehensive Catalog

Featuring high-support foundation pile methods, mechanical joint methods for steel pipe piles, and on-site automatic welding robot methods!

This catalog is a comprehensive introduction to our company's expertise. It features high-support foundation pile methods such as "G-ECS PILE," as well as "N-ECS PILE," which demonstrates high support capacity in clayey ground, and the on-site automatic welding robot method "ECS-AW." Please feel free to download and take a look. 【Contents (excerpt)】 ■Company Message ■G-ECS PILE Method ■N-ECS PILE Method ■G-ECS/N-ECS PILE Method ■ECS-TP Method *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method
  • Pile and foundation work
  • Ground foundation construction method

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Technical Data: Rotating Driven Steel Pipe Pile 'N-ECS PILE'

The application range of the N-ECS pile method, examples of jointing at the pile head, standard construction procedures, etc. are published!

This technical document introduces the rotational penetration steel pipe pile "N-ECS PILE (N-Ex Pile Method)." It includes sections such as "Application Range of the N-ECS Pile Method," "Specifications of the N-ECS Pile," "Examples of Jointing at the Pile Head," and "Standard Construction Procedures." Please feel free to download and take a look. [Contents (Excerpt)] ■ Application Range of the N-ECS Pile Method ■ Pull-out Direction Bearing Capacity ■ Structure and Standards of the N-ECS Pile ■ Quick Reference Table for Bearing Capacity of the N-ECS Pile Method ■ Allowable Bearing Capacity in the Pushing Direction Determined by Pile Material *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method
  • Pile and foundation work

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Air Shockproof Floor

Reduces vibration transmission with an air cushion under the floor! Easy maintenance with computer control.

The "Air Shock-Absorbing Floor" is a system that prevents the transmission of floor vibrations by creating an airtight space between the concrete slab that separates the building's floors and the floor itself, thereby forming an air cushion. Since it is controlled by a computer using height sensors installed on the floor surface, it reduces the transmission of vibrations regardless of their intensity. The area around the floor is equipped with cushioning materials, ensuring that even if the floor vibrates, it does not collide with the walls. This vibration-damping equipment can be installed in facilities that require it, such as sports clubs and live houses, on the second floor or higher of a building. 【Features】 ■ Reduces vibration transmission with an air cushion ■ Computer-controlled by floor height sensors ■ Can be installed on the top floor ■ Easy maintenance ■ Cost-effective *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

  • Sports related facilities
  • Vibration isolation, vibration control, and earthquake resistance construction
  • Earthquake-resistant construction method

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"Air Shock-Absorbing House" [Reduces shaking of seismic intensity 7 to about 1/30!]

Reduce seismic intensity 7 tremors by 1/30! A vibration isolation system that lifts the entire building using the power of air!

The "Air Seismic Isolation House" is a system that utilizes the power of air to protect homes, furniture, and the safety of families from the shaking caused by earthquakes. Within approximately 0.5 to 1 second after an earthquake occurs, air stored in a tank is instantly sent between the artificial ground and the foundation, causing the entire building to float. Since the building is separated from the surface that is actually shaking, both the building itself and the people and property inside experience almost no impact from the earthquake. 【Features】 ■ The building floats using the power of air ■ Reduces shaking from a seismic intensity of 7 to 1/30 ■ Prevents damage from furniture tipping over ■ Significantly reduces construction costs ■ Annual safety inspection for peace of mind *For more details, please request materials or view the PDF data available for download.

  • Earthquake-resistant construction method
  • Vibration isolation, vibration control, and earthquake resistance construction
  • Earthquake-proof and vibration-damping equipment

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Sansei Co., Ltd. Company Information

Contributing to society with sincerity, integrity, and honesty! We provide consistent quality from the manufacturing of piles to construction for our customers.

Our company is a comprehensive manufacturer of foundation piles, with the ECS PILE series as our main product. We provide a consistent management system for our customers, covering everything from pile manufacturing to proposing suitable construction methods and execution. By collaborating with research institutions such as universities, we strive to meet societal needs in various aspects, including safety, cost, and environmental considerations, and we will continue to offer technologies and methods that provide new value based on the ECS PILE series. 【Business Objectives】 ■ Manufacturing, construction, and sales of foundation piles for construction projects ■ Technical consultation on various foundation piles for construction projects ■ Promotion of the steel pipe pile G-ECS pile method for construction projects ■ Manufacturing, construction, and sales of the seismic reinforcement method Smart Brace for construction projects *For more details, please refer to the PDF document or feel free to contact us.

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

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Steel pipe pile on-site automatic welding robot method "ECS-AW"

On-site automatic welding robot method 'ECS-AW' that meets the needs of on-site welding.

This is an automatic welding robot method developed to solve various issues related to welding operations at construction sites, such as variations in welding conditions, differences in the skills of welders, and fluctuations in precision due to weather conditions. It enables consistently high-quality on-site welding. 【Features】 - Achieves high-quality on-site welding - Easy to operate, accurate, and speedy For more details, please contact us or download the catalog.

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

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Non-welded joint method "ECS-PJ"

Corresponds to the pull-out directional support strength of steel pipe piles! Construction time is about 1/3 of welding, with a simple process.

The "ECS-PJ" is a non-welded joint construction method that interlocks the lower and upper piles and fits the outer and inner rings using a hydraulic jack. It possesses strength equivalent to welding while allowing for construction under various conditions and reducing construction time. It can be used as a joint for general small-diameter steel pipe piles. 【Features】 ■ The points for construction management are clear and easy to manage, eliminating the need for skilled welders. ■ Usable in sites such as chemical plants where open flames are prohibited and underwater bridge piers. ■ Quality remains stable regardless of the skills of welders or site conditions. ■ Since welding is not required, construction can be carried out consistently regardless of weather conditions such as wind and rain. ■ Connections can be made close to the ground surface, reducing the number of joints in low pile head sites. ■ No welding fumes are generated, preventing pneumoconiosis and protecting the health of workers. *For more details, please refer to the PDF materials or feel free to contact us.

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

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Steel Pipe Pile Top Plate Joint Method 'ECS-TP'

The larger the scale, the more cost-effective it becomes! Construction methods that consider the environment by not generating industrial waste.

The "ECS-TP (Top Plate)" is a construction method that eliminates concrete foundations and underground beams, directly connecting foundation piles to the superstructure. While maintaining strong vertical support and pull-out resistance, it significantly reduces construction costs and time compared to traditional foundation methods. It is also possible to place underground beams or underground steel beams to suppress building deformation. 【Features】 ■ Innovative design that directly connects foundation piles to the superstructure ■ Simple construction method that achieves overwhelming time reduction ■ Dramatically reduces construction costs compared to traditional foundation methods ■ No concrete foundation required ■ Immediate construction possible after pile driving *For more details, please refer to the PDF materials or feel free to contact us.

  • Special Construction Method
  • Pile and foundation work

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Rotary Driven Steel Pipe Piles "G-ECS PILE Technical Documentation"

The high-support-capacity pile foundation method "G-ECS PILE Method" developed by Sansei's technological development capabilities.

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 routes. The simple pile design and the miniaturization of construction machinery 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. 【G-ECS Pile Technical Documentation】 ○ Application range of the G-ECS pile method ○ Pull-out direction support capacity (short term) ○ Structure and specifications of the G-ECS pile For more details, please contact us or download the catalog.

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

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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.

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Steel pipe pile mega-solar mounting foundation method "ECS-SS"

If you want to choose the foundation for a mega solar structure based on quality and cost, the ESC-SS method is the way to go.

Minister of Land, Infrastructure, Transport and Tourism Certified Construction Method "G-ECS PILE Method". This method, recognized for its features in all aspects such as "environmental consideration," "economic efficiency," and "versatility," has been adopted in construction and civil engineering sites and has now emerged as the steel pipe pile mega-solar mounting foundation method "ECS-SS Method." 【Features】 ○ Proposes optimal overall design for the mounting structure and foundation piles. ○ High construction precision and performance. ○ Low noise, low vibration, zero residual soil discharge, and no environmental pollution, making it an ecological product. ○ Achieves shortened construction time and low costs. ○ Guarantees high quality with a consistent management system. For more details, please contact us or download the catalog.

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

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