List of Tunnel Materials products
- classification：Tunnel Materials
1～30 item / All 171 items
![[Disaster Measures] A must-see for ...](https://image.www.ipros.com/public/product/image/595/2000904728/IPROS15684834320275806124.JPG?w=280&h=280){kind=small}
Since the construction-generated soil will be recycled on-site, the disposal costs for leftover soil and the costs for new purchases will be significantly reduced. 【Disaster Prevention】
- Special Construction Method
The Noto Reconstruction Office of the Ministry of Land, Infrastructure, Transport and Tourism has featured our 3D printer in the Nikkei newspaper.
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.
Contributing to the second stage of public infrastructure! Bringing public infrastructure development to the ground. A robust outdoor storage tank for hazardous materials capable of responding to the ...
- Water Treatment
Achieving smooth evacuation in emergencies! We capture the needs of the times and continue to evolve!
- Tunnel Materials
Contributes to improving the installation accuracy of reinforcing bars! It is possible to install reinforcing bars without penetrating.
- Tunnel Materials
- others
The scope of bridge inspection work has significantly increased! The "gondola vehicle" can ascend and descend up to a maximum of 50 meters.
- Tunnel Materials
Maximum descent distance of 65m! A vehicle-type gondola that makes close visual inspections at the top of the pier easier. For efficient bridge inspection and repair.
- Tunnel Materials
Overwhelming mobility! Equipped with a lift deck that reaches deep under the beams.
- Tunnel Materials
This is a reinforcement method for RC members using lattice steel plates (steel plates processed in a lattice shape). The reinforcement cross-section can be made thin, and it can reduce labor on site.
- Tunnel Materials
Civil Newsletter [Season Letter] (February 2020)
The Civil Newsletter is published regularly as a season letter. In the latest construction introduction (February 2020), we feature: 1) Metal Road Method Kumamoto Prefecture, National Route 445, Kuzuorese Construction Section (currently under hand-laying) 2) Grid Metal Method General National Route 120, Nyu-no-ki Bridge Repair Work.
Durable and long-lasting! Fits the curved surface of the tunnel and securely catches debris!
- Tunnel Materials
- others
Prevention of tunnel concrete spalling and water leakage!
- Bridge Construction
- Tunnel Materials
We are performing press cutting processing on a thick plate of S45C with a thickness of 10.0 mm in one step. The processing is automated using a zigzag feeder.
- Tunnel Materials
The NEW Set Form NF method is a construction technique that offers excellent safety during installation, as well as preventing volume shrinkage of the foam after filling, making it a "safe," "reliable...
- Reinforcement and repair materials
- Tunnel Materials
- Civil Engineering Method
Due to being made of iron, it has high load-bearing performance and is recyclable as a resource!
- Tunnel Materials
- Subsidiary materials
For slope reinforcement and retaining wall reinforcement! Self-drilling type with excellent workability and cost-effectiveness.
- Tunnel Materials
- Reinforcement and repair materials
Available for use in the foundations of various structures! Improved durability through hot-dip galvanized anti-rust treatment.
- Subsidiary materials
- Tunnel Materials
Finishing processing is a method of machining to match the dimensional accuracy specified in design drawings, product specifications, and part specifications.
- Bridge Materials
- Tunnel Materials
- River construction
The definitive version of infrastructure construction! A wide-base anchor specifically for heavy objects.
- Tunnel Materials
- Harbor Construction
- Port supplies
With simple maintenance, the beautiful shine lasts, keeping running costs low and economical!
- Tunnel Materials
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
Design and estimates are free! Please feel free to let us know.
- Tunnel Materials