Shield tunneling method Product List and Ranking from 7 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

Shield tunneling method Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

  1. 西松建設 Tokyo//Other construction industries 本社
  2. OSJ協会 Okayama//Other construction industries
  3. 宝機材 Gifu//Building materials, supplies and fixtures manufacturers
  4. 4 null/null
  5. 5 ケンチ Toyama//Building materials, supplies and fixtures manufacturers
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Shield tunneling method Product ranking

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

  1. Composite shield construction method 西松建設 本社
  2. If you are going to repair the circular waterway inside the tunnel | Top Shield Method 宝機材
  3. Open shield method ケンチ
  4. Excavation Shield Method "OSJ Method" OSJ協会
  5. 4 All Geological Adaptable Open-Cut Shield Method "OSJ-CONG Method" OSJ協会

Shield tunneling method Product List

1～11 item / All 11 items

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Open shield method

Open shield method

Widely adaptable to densely populated residential areas and soft ground! A method for laying conduits and similar structures.

The "Open Shield Method" utilizes the advantages of both open-cut and shield methods, allowing for the installation of structures such as conduits that are adapted to urban areas and various conditions. The shield machine uses the surrounding friction of the casing and the ground, as well as its own weight, as reaction forces, and advances while adjusting direction and slope with jacks. Depending on the site conditions, we offer NOS Type I, NOS Type II, NOS Type III, and NOS Type V. 【Features】 ■ Capable of constructing sharp curves ■ Can be constructed close to buildings, etc. ■ Usable in weak ground and aquifers ■ The upper part of the shield machine can be opened ■ Low noise and vibration *For more details, please refer to the external link page or feel free to contact us.

  • Civil Engineering Method

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Composite shield construction method

Composite shield construction method

Shield tunneling method that allows for the selection of the face stability mechanism according to ground conditions.

The "Composite Shield Method" is a shield that has a mechanism allowing for the selection of the face stability method according to the conditions of the ground. With a single shield, for ground conditions suitable for earth pressure type shields, stability of the face can be achieved using plastic fluidized excavated soil within the chamber, and for ground conditions suitable for slurry type shields, stability of the face can be achieved using slurry, making it a shield with a wide range of adaptability to ground conditions. 【Features】 ■ A single shield can select a face stability mechanism that corresponds to the soil conditions. ■ In gravel ground, gravel can be directly crushed by a crusher, enabling fluid transport. *For more details, please download the PDF or contact us.

  • Civil Engineering Method

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Excavation Shield Method "OSJ Method"

Excavation Shield Method "OSJ Method"

A groundbreaking advanced technology for underground conduit installation work.

The "OSJ Method" is a continuous excavation shield pipe (box) installation method that involves performing a series of operations from excavation to backfilling while conducting soil retention using an open shield machine (OSJ machine) during the underground construction of pipes (box culverts) and open channels in urban areas. With a wealth of construction achievements, continuous improvements to the machinery, and numerous patents obtained, this method has now established itself as a reliable and unique construction technique, enabling safer and faster construction. Additionally, this method is registered in ARIC (Agricultural and Rural Development Private Technology Database). 【Features】 ■ Reduction of impact on living environments and decrease in traffic disruptions ■ Improved safety ■ Wide applicability ■ Significant shortening of construction periods ■ Cost reduction *For more details, please download the PDF or feel free to contact us.

  • Ground foundation construction method
  • Civil Engineering Method

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All Geological Adaptable Open-Cut Shield Method "OSJ-CONG Method"

All Geological Adaptable Open-Cut Shield Method "OSJ-CONG Method"

Eliminates the need for auxiliary waterproofing methods such as liquid injection! It is also possible to reduce the impact on the surrounding area.

The "OSJ-CONG method" suppresses the outflow of groundwater from the face and the inflow of groundwater from the excavation bottom, eliminating the need for groundwater lowering methods such as well points and auxiliary waterproofing methods like chemical injection. By equipping the OSJ machine itself with collection and drainage functions, it eliminates the prior lowering of groundwater levels and allows for early recovery of water levels after passing through the OSJ machine. Furthermore, by minimizing the duration of groundwater level reduction, it prevents impacts on the surrounding area. 【Features】 ■ Prevents collapse of the face by suppressing the outflow of groundwater from the face. ■ Improves the constructability of the foundation by suppressing the inflow of groundwater from the excavation bottom. ■ Eliminates prior lowering of groundwater levels and enables early recovery of water levels after passing through the OSJ machine. ■ Minimizes the duration of groundwater level reduction, thereby preventing impacts on the surrounding area. *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method

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Open shield method

Open shield method

We offer four types depending on the construction method! It enables construction even under strict conditions!

The "Open Shield Method" is a patented construction method for burying culverts and open channels underground. It is a construction method that serves as an alternative to traditional excavation and shield methods. There are four types based on the construction method. It primarily focuses on urban areas, close proximity construction, soft and hard ground, and high groundwater areas, ensuring not only safety but also economic and environmental considerations. 【Features】 ■ Capable of constructing sharp curves ■ Can be constructed close to buildings and other structures ■ Usable in soft ground and aquifers ■ The upper part of the shield can be opened ■ Low noise and vibration *For more details, please refer to the PDF materials or feel free to contact us.

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

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Branch Shield Method (Underground Stem Method)

Branch Shield Method (Underground Stem Method)

Constructing two tunnels that intersect in a T-shape with underground branching from the main line shield!

The "Branch Shield Method" is a shield construction technique that simultaneously constructs two intersecting tunnels in a T-shape using a main line shield and a branch shield that launches laterally from within the main line shield. By launching the branch shield directly from within the main line shield, the need for an intermediate shaft is eliminated, and the setting of the branching position is not affected by surface conditions or the presence of buried objects above the pipeline. 【Features】 ■ The main tunnel and branch tunnel can be constructed simultaneously. ■ The branching position is not affected by conditions near the surface. ■ Ground improvement at the branch shield launch point is not required. ■ Shortened construction period and reduced costs. ■ The ratio of the outer diameter of the main tunnel to the outer diameter of the branch tunnel (approximately 60-65% of the outer diameter of the main shield is a guideline). *For more details, please download the PDF or contact us.

  • Civil Engineering Method

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Soil pressure type parent-child shield method

Soil pressure type parent-child shield method

Continuously construct two types of tunnels with different cross-sectional diameters within the excavation extension.

The "Soil Pressure Type Parent-Child Shield Method" is a construction method that allows for the continuous construction of tunnels with varying cross-sectional diameters using a single shield within the shield excavation extension. A smaller child shield is incorporated within the parent shield to excavate the parent cross-section tunnel. At a designated position, the child shield is separated and launched underground from the parent shield to construct the child cross-section tunnel. By sliding the rear body of the child shield forward to incorporate it and adopting a method where the rear body is pushed out by the shield jack during assembly, the separation and launch can be completed in a short period. 【Features】 ■ The underground separation method eliminates the need for the installation costs of shafts and securing land at the position of cross-section changes. ■ The rear body push-out method significantly simplifies the assembly work of the child shield. ■ During the separation and launch operations, the front body remains fixed to the parent shield with a reaction pin, maintaining the stability of the face. *For more details, please download the PDF or contact us.

  • Civil Engineering Method

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The carbon shield method is adhered with adhesive to the surface of molded products, etc.

The carbon shield method is adhered with adhesive to the surface of molded products, etc.

We will finish resin and metal parts with a carbon look! We can easily process curved areas, tapered sections, and more.

This is a processing method that directly adheres real carbon to an object with a certain degree of hardness and finishes it with a clear coat. It is a technology that has mainly been used for automotive interior panels. Since it can be processed from a single point, it is also suitable for producing pre-sample products. It can also accommodate three-dimensional objects (negotiable).

  • Subsidiary materials

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Open shield method

Open shield method

A construction method that utilizes the advantages of both the open-cut method and the shield method!

The open shield method is a new open shield technique that has been improved to adapt the advantages of both the cut-and-cover method and the shield method for urban areas, agricultural drainage channels, and soft ground. It is the most suitable method for constructing underground structures such as box culverts in locations where excavation is possible but soil retention using sheet piles or similar methods is difficult.

  • Reinforced concrete construction

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If you are going to repair the circular waterway inside the tunnel | Top Shield Method

If you are going to repair the circular waterway inside the tunnel | Top Shield Method

A method for efficiently repairing circular water channels! Circular gutters with pedestrian and vehicle blocks are also acceptable.

Is there a place you would like to regenerate or extend the lifespan of? - Circular water channels in highway tunnels - Circular water channels with pedestrian and vehicle road blocks on top - Elevated circular water channels - Locations where replacing ditches is difficult - Areas where construction affects underground structures - Urban ditches located at sidewalk boundaries, etc. Product Overview The optimal repair method for aging circular water channels "Top Shield Method" The Top Shield Method is a repair technique that uses formwork to repair existing circular water channels (pipe-type ditches). It involves vertically cutting the deteriorated parts of the circular water channel and repairing them with a dedicated formwork (high-tensile steel residual formwork) and jet concrete. The formwork integrates with the structure without being removed. Advantages Environmental: Reduces the generation of construction waste Durability: Resistant to rust with standard specifications of molten zinc coating Workability: Shortens construction time (construction volume: approximately 20 meters per day, self-calculated) Safety: Uses high-strength high-tensile steel (high-strength steel)

  • Air conditioning equipment

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