Products that meet the standard specifications of the National Box Culvert Association and the recommended specifications of JIS A 5372.
■It is a precast concrete box culvert made of reinforced concrete according to the National Box Culvert Association standards, following the recommended specifications of JIS A 5372. ■Standardized dimensions range from width 0.6m × height 0.6m to width 3.5m × height 2.5m.
Inquire About This Product
Related Videos
basic information
【Design Conditions】 Soil Cover: 0.2m to 3.0m Dead Load Unit Weight of Reinforced Concrete: 24.5 kN/m³ Unit Weight of Soil: 18.0 kN/m³ Unit Weight of Asphalt: 22.5 kN/m³ Live Load (Road Crossing): T-25t Horizontal Earth Pressure Coefficient: 0.50 Groundwater Level: The maximum groundwater level is set at 50cm below the road surface. Applicable Ground: In principle, it should be good ground of at least ordinary ground quality. *For specific design details, refer to the Precast Box Culvert Design and Construction Manual by the National Box Culvert Association. *Additional considerations can be made outside of the above design conditions.
Price information
Please feel free to consult with us.
Delivery Time
※Please feel free to consult with us.
Applications/Examples of results
Waterways, etc.
Line up（2）
| Model number | overview |
|---|---|
| Type 1 | In the case of general structures |
| Type 2 | In the case of structures that must particularly consider cracking |
catalog（1）
Download All Catalogs
Company information
Our company, under the belief of contributing to society through the development of social infrastructure, constantly strives for quality improvement and technical advancement. With the conviction that business is about people, we respect humanity and foster a free and open corporate culture through talent development and fair personnel practices. We aim to deepen mutual understanding and trust, working together towards the development of the company and the enhancement of welfare, while concentrating all our efforts on stabilizing and expanding our management foundation.
![[Information] Shirutoku Report No. 2 # Waterproof Products](https://image.www.ipros.com/public/product/image/b20/2000678170/IPROS82192144526593842414.jpeg?w=280&h=280)
