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Box culvert Product List and Ranking from 9 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Box culvert Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 昭和コンクリート工業 Gifu//Building materials, supplies and fixtures
  2. 吉田セメント工業 Fukushima//Building materials, supplies and fixtures
  3. 太洋コンクリート工業 Shizuoka//Building materials, supplies and fixtures
  4. 4 高村建材工業 Tokyo//Building materials, supplies and fixtures
  5. 5 小川建材工業 Chiba//Building materials, supplies and fixtures
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Box culvert Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Precast L-shaped retaining wall with fence foundation 'SL-F' 昭和コンクリート工業
  2. Precast L-shaped retaining wall with vehicle protection fence foundation 'SL-G' 昭和コンクリート工業
  3. SL retaining wall, SL, SL-N - L-shaped retaining wall for roads 昭和コンクリート工業
  4. 4 L-shaped retaining wall "Millwall" in accordance with the Road Geotechnical - Retaining Wall Guidelines. 吉田セメント工業
  5. 5 SL retaining wall; SL-J large L-shaped retaining wall for roads 昭和コンクリート工業

Box culvert Product List

16～28 item / All 28 items

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Box culvert (standard installation type)

Box culvert (standard installation type)

Oblique angles, openings, and differential ribs! Standard installation type box culverts compatible with various irregular-shaped products.

This product is a standard installation type box culvert that conforms to safety, security, and high-quality standards such as the Road Earthworks Culvert Construction Guidelines. The standard method for connecting products is bolting, and the internal width (B) of the products is standardized from 0.3m to 1.0m. We can accommodate special conditions such as load conditions, usage conditions, and construction conditions. 【Features】 ■ Conforms to standards such as the Road Earthworks Culvert Construction Guidelines ■ Safe, secure, and high quality ■ Standardized internal width (B) of 0.3m to 1.0m ■ Accommodates special conditions (load conditions, usage conditions, construction conditions, etc.) ■ Supports various custom-shaped products (angles, openings, reinforcement bars, etc.) *For more details, please refer to the PDF materials or feel free to contact us.

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Box culvert (vertical connection type)

Box culvert (vertical connection type)

Vertical connection type box culvert capable of accommodating special conditions and various irregular products.

This product is a vertical connection type box culvert that conforms to safety, security, and high-quality standards such as the Road Earthworks Culvert Construction Guidelines. For connecting products, connections using PC steel materials and seismic connections using high-elasticity resin (TB connections) are possible. The internal width (B) of the product is standardized from 0.6m to 5.0m, and it can accommodate various special-shaped products such as angled, opening, split, and differential reinforcement. 【Features】 ■ Complies with standards such as the Road Earthworks Culvert Construction Guidelines ■ Safe, secure, and high-quality ■ Connections using PC steel materials and seismic connections using high-elasticity resin are possible ■ Standardized internal width (B) from 0.6m to 5.0m ■ Accommodates special conditions and various special-shaped products *For more details, please refer to the PDF materials or feel free to contact us.

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Box culvert, flexible box culvert, construction methods for culverts.

Box culvert, flexible box culvert, construction methods for culverts.

We offer sizes ranging from 240mm to 10m, and we can propose earthquake resistance, functionality, and various construction methods according to your needs.

Our Calvert products are widely used in various projects such as urban sewers, agricultural drainage channels, underground passages, and culverts for road crossings, utilizing environmental creation technology that supports urban functions.

  • Other water supply and drainage facilities
  • Other Electrical Equipment
  • Piping

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Box culvert (Type C)

Box culvert (Type C)

Our original box culvert

■It can be installed by dropping it from above. ■Standardized dimensions are from 0.3m wide × 0.3m high to 0.6m wide × 0.6m high. For specifications other than the above, please consult us.

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  • 2D CAD Construction
  • 3D CAD

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DCJ Box Culvert "Seismic Resistant Joint Box Culvert"

DCJ Box Culvert "Seismic Resistant Joint Box Culvert"

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

■There are two types, K-type and T-type, depending on the required performance. 【K-type】 It has water-tightness that can withstand a water pressure of 0.06 MPa under level 2 seismic motion in a non-liquefied, non-inclined ground condition. 【T-type】 It has water-tightness that can withstand a water pressure of 0.06 MPa under level 2 seismic motion. ■By absorbing ground displacement at each joint of the product, it is possible to reduce the stress generated in the structure and minimize the amount of pull-out and bending angle occurring at each joint. ■The special rubber ring has a two-layer structure, with soft rubber covered by hard rubber on the outside, providing excellent followability, compression recovery, and wear resistance. ■High water-tightness can be achieved with the special rubber ring alone, eliminating the need for internal joint work.

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  • 2D CAD Construction
  • 3D CAD

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2-segment large box culvert

2-segment large box culvert

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

■Among large box culverts, it is applicable to relatively small cross-sections ranging from 4.0m to 6.0m in width. ■The components manufactured in upper and lower sections are integrated using mechanical joints and other methods.

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  • 2D CAD Construction
  • 3D CAD

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4-way large box culvert

4-way large box culvert

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

■ It is applicable to large cross-sections ranging from 5.5m to 10.0m in width among large box culverts. ■ The components manufactured in sections are integrated using mechanical joints and other methods.

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  • 2D CAD Construction
  • 3D CAD

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Bicycle lane slit gutter "CS Sokkō"

Bicycle lane slit gutter "CS Sokkō"

Secure a wide shoulder width! The upper and lower split cassette type accommodates various sites.

"CS Sokkō" is a new type of slotted drainage developed based on our extensive track record of urban slotted drainage, adapted to the guidelines for creating bicycle-friendly environments. It features a narrow apron width and a wide shoulder width, ensuring that the grating of the management drainage section does not protrude into the roadway, thus not obstructing bicycle passage. Additionally, by simply changing the upper cassette (for longitudinal, transverse, or UD access) for a single lower drainage channel, it can accommodate various situations. 【Features】 ■ Split design ■ Ensures a wide shoulder width ■ Upper cassettes that can be selected based on site conditions ■ Secures a rich flow rate ■ Allows for the pouring of inverted concrete *For more details, please refer to the PDF document or feel free to contact us.

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Precast concrete apron "EP Base Panel"

Precast concrete apron "EP Base Panel"

Streamline the construction of apron drainage ditches! Construction can be carried out without being affected by material procurement or weather conditions.

The "EP Base Panel" is a product that uses precast concrete for the apron section, which is typically constructed with cast-in-place concrete during the installation of boundary blocks. Since everything is precast, the site can be opened immediately after installation. Additionally, it eliminates the need for tasks such as pouring and leveling concrete, allowing for completion through the installation of panels and blocks, thereby contributing to labor savings. 【Features】 ■ Precast concrete apron ■ Dramatically shortens and simplifies work processes ■ Immediate site opening after installation ■ Contributes to labor savings as it is completed through installation ■ Can be constructed without being affected by material procurement or weather conditions *For more details, please refer to the PDF materials or feel free to contact us.

  • Other consumables
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Eliminating double work to speed up construction: "Fence TP Wall"

Eliminating double work to speed up construction: "Fence TP Wall"

The foundation for building snow-resistant guard pipes and network fences on developed land is integrated with L-shaped retaining walls!

The "Fence TP Wall" integrates a snow-resistant guard pipe and the foundation for constructing net fences on developed land with an L-shaped retaining wall. As a result, while traditionally the L-shaped retaining wall was installed first followed by the foundation for the fence, eliminating this double work has increased construction speed. The loads acting on the protective fence are designed with a horizontal force of 0.39 kN/m and a vertical force of 0.59 kN/m. Additionally, the integration of the foundation allows for the utilization of sidewalk width and developed land area. 【Features】 ■ The foundation is integrated with the L-shaped retaining wall ■ Increased construction speed by eliminating double work ■ Utilization of sidewalk width and developed land area due to the integration of the foundation ■ Designed with a horizontal force of 0.39 kN/m and a vertical force of 0.59 kN/m acting on the protective fence ■ Available in three types *For more details, please refer to the PDF document or feel free to contact us.

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L-shaped retaining wall "Millwall" in accordance with the Road Geotechnical - Retaining Wall Guidelines.

L-shaped retaining wall "Millwall" in accordance with the Road Geotechnical - Retaining Wall Guidelines.

A suitable bottom plate length can be selected for various design conditions such as gravel soil, sandy soil, and clayey soil, and it can also accommodate other special conditions!

The "Millwall" is an L-shaped retaining wall that complies with the road earthworks and retaining wall guidelines. Millwall <H600mm to H3000mm> and HI Millwall <H3100mm to H7000mm> are available in sizes at 100mm increments, allowing for the selection of base lengths suitable for various design conditions such as gravel soil, sandy soil, and clayey soil, and can also accommodate other special conditions. Construction of inner curves is possible with a minimum radius of R = 30m in relation to road curves. Dedicated height-raising blocks (2.5%, 5%, 7.5%, 10%) are also available to accommodate the longitudinal slope of the road. 【Features】 ■ L-shaped retaining wall compliant with road earthworks and retaining wall guidelines ■ Sizes available in 100mm increments ■ Base lengths suitable for various design conditions such as gravel soil, sandy soil, and clayey soil can be selected ■ Can also accommodate other special conditions ■ Construction of inner curves is possible with a minimum radius of R = 30m in relation to road curves ■ Dedicated height-raising blocks are also available to accommodate the longitudinal slope of the road *For more details, please refer to the PDF materials or feel free to contact us.

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Box culvert

Box culvert

Box culverts manufactured to national unified standards.

The "Box Culvert" that we handle undergoes strict quality control checks in accordance with the factory certification system of the Japan Sewage Works Association, receiving regular inspections by the association. As standard shape dimensions, it is described in the "Guidelines for Road Earthworks and Culverts" published by the Japan Road Association (March 1999), so you can use it with confidence. 【Features】 ■ User-friendly unified standards ■ Reliable design methods ■ Excellent quality *For more details, please download the PDF or feel free to contact us.

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