PC box culvert
Precast box culverts made of prestressed concrete according to the recommended specifications of JISA 5373 by the National Box Culvert Association.
By placing PC steel materials on the top and bottom plates, it is possible to reduce the thickness of the members, resulting in a lighter structure compared to RC box culverts. Standard sizes range from a width of 1.8m × height of 1.2m to a width of 5.0m × height of 2.5m.
basic information
【Design Conditions】 Soil Cover: 0.5m 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: Generally, it should be good ground of normal quality or better. *For specific details of the design, please 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. *For more details, please refer to the related links or feel free to contact us.
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