List of CAD products

Products that meet the national box culvert association standard specifications and the recommended specifications of JIS A 5372.

• 2D CAD Construction
• 3D CAD
• others

Precast box culverts made of prestressed concrete according to the recommended specifications of JISA 5373 by the National Box Culvert Association.

• others
• 2D CAD Construction
• 3D CAD

Our original box culvert

• others
• 2D CAD Construction
• 3D CAD

A box culvert equipped with a special rubber ring at the joint section to provide seismic performance.

• others
• 2D CAD Construction
• 3D CAD

A box culvert divided into a top slab component and a bottom slab component.

• others
• 2D CAD Construction
• 3D CAD

Assembled manhole combining box shape and circular shape.

• others
• 2D CAD Construction
• 3D CAD

A box culvert divided into a top slab component, side wall components, and a cast-in-place bottom slab component.

• others
• 2D CAD Construction
• 3D CAD

A box culvert divided into a top slab component, side wall components, and a bottom slab component, all constructed with precast elements.

• others
• 2D CAD Construction
• 3D CAD

Super large box culvert with post-tensioned PC steel materials arranged in the top slab.

• others
• 2D CAD Construction
• 3D CAD

Super wide box with angled support

• others
• 2D CAD Construction
• 3D CAD

Even large products with heavy weight can be moved with a small force due to the bearing effect of the rails and steel balls.

• others
• 2D CAD Construction
• 3D CAD

Industry first! Vehicle protective fence foundation PCa L-shaped retaining wall that can be processed with slanted cuts.

• others
• 2D CAD Construction
• 3D CAD

Ministerial certified retaining walls as stipulated in Article 14 of the Enforcement Order of the Land Readjustment Act.

• others
• 2D CAD Construction
• 3D CAD

A retaining wall constructed by stacking blocks in a π-shaped configuration, which can also be widely used for U-shaped retaining walls and partition walls, in addition to cantilever retaining walls.

• others
• 2D CAD Construction
• 3D CAD

The products are integrated with dedicated fittings and filler concrete! It can be widely used at the top.

• others
• 2D CAD Construction
• 3D CAD

A drainage flume with a high water collection function of the interlocking type.

• others
• 2D CAD Construction
• 3D CAD

A large-section box that combines three segmented precast components with cast-in-place concrete.

• others
• 2D CAD Construction
• 3D CAD

A large-section arch culvert that combines precast components divided into two parts and cast-in-place concrete.

• others
• 2D CAD Construction
• 3D CAD

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

• others
• 2D CAD Construction
• 3D CAD

Upper lid type U-shaped drainage ditch according to JISA5372 Annex E recommended specifications E-2.

• others
• 2D CAD Construction
• 3D CAD

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

• others
• 2D CAD Construction
• 3D CAD

A large block retaining wall that creates a 5-degree slope simply by installing the product.

• others
• 2D CAD Construction
• 3D CAD

A circular water channel with continuous drainage ditches in the longitudinal direction.

• others
• 2D CAD Construction
• 3D CAD

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

• others
• 2D CAD Construction
• 3D CAD

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

• others
• 2D CAD Construction
• 3D CAD

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

• others
• 2D CAD Construction
• 3D CAD

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

• others
• 2D CAD Construction
• 3D CAD

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.

• others
• 2D CAD Construction
• 3D CAD

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

• others
• 2D CAD Construction
• 3D CAD

Reinforced concrete large drainage flume used for drainage channels according to the Agricultural Civil Engineering Association standards.

• others
• 2D CAD Construction
• 3D CAD