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  1. Home
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  5. Bridge Construction
  6. Improving work efficiency for river bridge pier repair and reinforcement! Optional depth anchoring type temporary cofferdam method.

Improving work efficiency for river bridge pier repair and reinforcement! Optional depth anchoring type temporary cofferdam method.

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last updated:Oct 20, 2026

第一建設工業 本社・新潟支店
第一建設工業 本社・新潟支店
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Development of a method to construct a dry space in a short period! Three anchoring types tailored to the repair and reinforcement range and foundation shape are available.

The "D-flip method" (arbitrary depth anchoring type temporary cutoff method) newly developed by "Daiichi Construction Industry Co., Ltd.", which has a proven track record in developing technologies to improve the work efficiency of seismic reinforcement and repair work for river bridges, is receiving positive feedback. This method involves setting up a small-scale temporary cutoff facility at the work site for the repair of bridge piers within rivers, creating a dry space that contributes to shortening construction periods and reducing costs—an innovative approach. This method is on par with other techniques developed by our company, such as mobile work scaffolding devices and mobile scaffolding devices for elevated bridges, and the intention behind its development is clear. *For more detailed information, please refer to the PDF materials. Feel free to contact us for further inquiries.*

    Bridge Construction
コラム4.5共通.png

Improving work efficiency for river bridge pier repair and reinforcement! Optional depth anchoring type temporary cofferdam method.

コラム4.5共通.png
コラム4.5共通.png スライド5.JPG Gemini_Generated_Image_2hqx082hqx082hqx.png スライド2.JPG
  • Related Link - https://www.daiichi-kensetsu.co.jp/
  • Special site - Product/service details - https://pr.www.ipros.com/daiichi-kensetsu/product/

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Improving work efficiency for the repair and reinforcement of river bridge piers! Development of a method to construct a dry space in a short period.

Improving work efficiency for the repair and reinforcement of river bridge piers! Development of a method to construct a dry space in a short period.

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第一建設工業

第一建設工業 本社・新潟支店

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Our company operates as a comprehensive construction business based on railway construction, engaging in track inspection and maintenance, new installations, and the construction and repair of railway structures and related facilities. We also leverage the technical skills and proposal capabilities developed in this field to contribute broadly to civil engineering and architecture, taking on the creation of social infrastructure. We will respond accurately and flexibly to various situations, contributing to society through sustainable and rich urban development in both environmental and social aspects.

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