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  1. Home
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  3. Construction, work and methods
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  5. Ground foundation construction method
  6. Features of the TNF method (3)

Features of the TNF method (3)

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last updated:Dec 15, 2025

吉光組
吉光組
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No use of stakes! Introducing the features of the TNF method, which can also reduce demolition costs during building demolition!

We would like to introduce the features of the "TNF Method," implemented by Yoshimitsu Corporation, which has over 1,300 achievements nationwide. We carry out ground improvement to create an artificial bedrock suitable for buildings on weak ground across the country. Since we do not use piles, the demolition costs during building dismantling are also reduced. Please feel free to contact us when needed. 【Features】 ■ Approximately 30% cost reduction compared to conventional methods (pile foundation) (for a total floor area of 1,000 m² and pile length of 30 m) ■ Construction period shortened by 50% compared to conventional methods, as pile work, formwork work, and ground preparation work are not required (for a total floor area of 1,000 m² and pile length of 30 m) *For more details, please refer to the related links or feel free to contact us.

    Ground foundation construction method
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Features of the TNF method (3)

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  • Related Link - https://www.yoshimitsugumi.co.jp/service/tnf/
  • Special site - Product/service details - https://pr.www.ipros.com/yoshimitsugumi/product/

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basic information

【Recommended for the following】 ■ Design offices ■ General contractors ■ Companies needing commercial stores or logistics warehouses ■ Clients planning factories, warehouses, or stores on weak ground requiring pile foundations *For more details, please refer to the related links or feel free to contact us.

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【Purpose】 ■Alternative to pile foundations in construction *For more details, please refer to the related links or feel free to contact us.*

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TNF method

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The Noto Reconstruction Office of the Ministry of Land, Infrastructure, Transport and Tourism has featured our 3D printer in the Nikkei newspaper.

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The official X account of the Noto Reconstruction Office of the Ministry of Land, Infrastructure, Transport and Tourism and the Nihon Keizai Shimbun have published that our 3D printer has been adopted for the reconstruction of Noto. The official X account of the Noto Reconstruction Office introduces the use of our products in the restoration work of the Noto Expressway. Additionally, the Nihon Keizai Shimbun mentions that structures made with our products are being used for the restoration of roads damaged by the Noto Peninsula earthquake, and that the construction period can be shortened by about two weeks, so please take a look.

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It was broadcast on NHK WORLD.

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The Noto reconstruction project by the Kashima, Yoshimitsu, and Noto region maintenance-type construction joint venture was featured on NHK WORLD, stating that it is being constructed using a 3D printer, and it was broadcast on November 14. It can be viewed in 150 countries around the world.

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We held a site tour.

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At the site of the "R6 Komatsu Yobama Construction," we held a site tour for four days starting from November 24. Visitors were able to observe the automation and remote operation of construction machinery. The event was also featured in the Construction Industry Newspaper and the Construction Communication Newspaper.

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It was awarded as an excellent construction project by Nomi City.

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On November 21, at the Nomi City Hall, our company was awarded for the "Yuno Children's Garden Development Project (Civil Engineering)" as an excellent construction project at the Nomi City Construction Project Awards Ceremony. For more details, please refer to the related link.

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吉光組

吉光組

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We have been in the construction business for over 100 years, based in Ishikawa Prefecture.

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