List of Secondary steel products products

A large-section arch culvert that uses a combination of two-part precast components and cast-in-place concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Drop cover type U-shaped drainage ditch according to JISA5372 Appendix E recommended specifications E-2.

• Secondary steel products
• Foundation construction
• Other civil engineering works

U-shaped side ditch with upper lid according to recommended specifications E-2 of JISA5372 Appendix E.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A ditch that can properly set the drainage slope and form a vertical rectangular flow section.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Circular waterway with continuous drainage ditches in the longitudinal direction.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Boundary block according to JISA5371 Appendix B recommended specifications B-2.

• Secondary steel products
• Foundation construction
• Other civil engineering works

L-shaped drainage ditch according to JISA5372 Appendix E recommended specification E-4 and JISA5371 Appendix C recommended specification C-1.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Precast protective fence foundations standardized in accordance with the "Installation Standards and Explanations for Protective Fences," adaptable to road alignments.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A method for widening sidewalks by extending them, allowing for an expansion of approximately 2.5 meters to be constructed in a short period of time by installing on existing roads.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A cantilever road widening method that allows for a maximum road widening of 1.75 meters to be constructed in a short period by installing it on existing roads.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A construction block that enables significant shortening of construction time by integrally molding the side wall of the tunnel monitoring staff passage and the circular water channel.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Large reinforced concrete drainage flume used for drainage channels according to the Agricultural Civil Engineering Association standards.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Large reinforced concrete flume used in water channels according to the Agricultural Civil Engineering Association standards.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Standardized dimensions from top width 0.6m × height 0.8m to top width 2.0m × height 1.5m! Lightweight type three-sided water channel.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Standardized upper width 0.6m × height 0.6m to upper width 1.5m × height 1.5m! Drop lid type three-sided water channel.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Agricultural Civil Engineering Association Standards! L-shaped water channels that can be freely configured within the standard width of the waterway.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Three-sided waterway that can be directly connected to a box culvert conforming to the association-type culvert cross-section.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Bench flumes used for field maintenance and land development.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Three-sided water channel for irrigation and land development.

• Secondary steel products
• Foundation construction
• Other civil engineering works

By converting on-site drop-off work to precast, significant reductions in construction time and improvements in productivity can be achieved.

• Secondary steel products
• Foundation construction
• Other civil engineering works

By splitting and transporting the top materials and assembling them on-site, an interior width exceeding super wide has been achieved.

• Secondary steel products

Concrete slabs that can be used for covers of ditches along roads and farm roads, as well as for crossings over waterways.

• Secondary steel products
• Foundation construction
• Other civil engineering works

NEXCO (formerly JH) specification retaining wall and soundproofing panel

• Secondary steel products
• Foundation construction
• Other civil engineering works

Artificial ground used as a tsunami evacuation guidance deck made of precast prestressed concrete members (Pca・PC).

• Secondary steel products
• Foundation construction
• Other civil engineering works

Disaster toilets installed in evacuation shelters during emergencies.

• Secondary steel products
• Foundation construction
• Other civil engineering works

By making the swimming pool underground, the upper area can be used for the schoolyard, parking lot, park, etc., and by replacing the bottom slab with crushed stone, it can also be utilized as an infi...

• Secondary steel products
• Foundation construction
• Other civil engineering works

A plastic rainwater storage tank assembled by fitting together plastic components.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Prefabricated avalanche protection using prestressed concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Prefabricated rockfall and landslide protection using prestressed concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Avalanche protection fence to prevent snow from collapsing on steep slopes.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Rockfall protection fence to prevent slope-type rockfalls at the toe of the slope.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Slabs for crossing short-span irrigation channels such as farm roads.

• Secondary steel products
• Foundation construction
• Other civil engineering works

It is often used for slabs that cross waterways, such as roads and farm roads.

• Secondary steel products
• Foundation construction
• Other civil engineering works

It is a two-sided waterway of assembly type consisting of an arm member that maintains the shape of the waterway and a panel member (BR board).

• Secondary steel products
• Foundation construction
• Other civil engineering works

The method of stacking fishway blocks in an oval shape allows for a significant reduction in the site area.

• Secondary steel products
• Foundation construction
• Other civil engineering works

It is a fishway that can uniformly form a curve in the overflow section that is soft and easy for fish to ascend.

• Secondary steel products
• Foundation construction
• Other civil engineering works

You can freely choose the slope! This birdfish nest block can be used not only as a fish nest but also as a fishway.

• Secondary steel products
• Foundation construction
• Other civil engineering works

It is possible to accommodate various construction conditions such as collapse debris, rockfall, avalanche protection fences, existing rockfall protection reinforcement methods, and combined fences fo...

• Secondary steel products
• Foundation construction
• Other civil engineering works

Precast snowstorm and snowdrift prevention cover using prestressed concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

This is a reinforced earth wall designed to catch falling rocks and landslides behind roads and residential houses. It can withstand rockfall energy of up to 5500 kJ.

• Secondary steel products
• Foundation construction
• Other civil engineering works

By utilizing precast technology, it is possible to reduce labor on-site, achieve high strength and high quality, and lower long-term lifecycle costs.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Precast wall parapets that achieve rapid construction and high durability.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Suppressing the impact of bridge pier vibrations during an earthquake! It is possible to absorb the relative displacement between the bridge pier and the embankment, thereby mitigating the impact on t...

• Secondary steel products
• Foundation construction
• Other civil engineering works