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Culvert Product List and Ranking from 12 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

Culvert Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 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. 高見澤 インフラセグメント Nagano//Building materials, supplies and fixtures
  3. 吉田セメント工業 Fukushima//Building materials, supplies and fixtures
  4. 4 太洋コンクリート工業 Shizuoka//Building materials, supplies and fixtures
  5. 5 セキサンピーシー Fukui//Building materials, supplies and fixtures
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Culvert Product ranking

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 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-J large L-shaped retaining wall for roads 昭和コンクリート工業
  4. 4 SL retaining wall, SL, SL-N - L-shaped retaining wall for roads 昭和コンクリート工業
  5. 5 Yoshida Cement Industry Co., Ltd. L-Type Retaining Wall Comprehensive Catalog 吉田セメント工業

Culvert Product List

31～37 item / All 37 items

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[Construction Case] River Improvement Work - Installation of Box Culvert

[Construction Case] River Improvement Work - Installation of Box Culvert

Clear in terms of strength! Using "GPL soil retention" and "GPL long support" in the rainwater box culvert installation work!

We would like to introduce a construction case where a box culvert was newly installed next to a river (drainage) that was overflowing. The total height of the box culvert to be installed, including the crushed stone foundation height and the base concrete height, is approximately 2,500mm. Since the top of the box culvert will be at almost the same height as the ground level (GL), the cut beam of the GPL retaining wall must be above the GL, and the opening height must be secured to be at least 2,500mm. Additionally, the excavation width must be secured to W=4.6m. The challenge was to meet these three points, but under the current site conditions, we were able to meet both product and strength requirements with the "GPL retaining wall." 【Equipment Used】 ■ Aluminum sheet piles ■ GPL retaining wall ■ Hydraulic four-sided beams ■ Fence *For more details, please refer to the PDF materials or feel free to contact us.

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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.

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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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