This is a large box culvert that can accommodate angled configurations. It can handle an internal width of 5 to 12 meters, an internal height of 2 to 7 meters, and angles from 60° to 90° (in 5° increments).
The FA box is a construction method that combines three-part precast components with cast-in-place concrete to create a large-section box. By using a segmented structure for the top slab and side walls, it becomes easier to accommodate "oblique angles." The precast components are designed as a slab structure, while the bottom slab is cast on-site, resulting in a cost-effective large box. The use of loop joints allows for easy integration of the precast components, leading to shortened construction time. Additionally, using PCA wing walls can further reduce the construction period.
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basic information
■Design Conditions Live Load: T-25 Maximum Possible Longitudinal Slope: Approximately 10% Angle: 60° to 90° (5° pitch) Standard Soil Cover: 0 to 1.0 m (more than 1 m requires separate design) Curvature Radius: Compatible with curved layouts ■Applicable Standards Clear Width: 5 to 12 m Clear Height: 2 to 7 m Product Length: 1 to 2 m
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Applications/Examples of results
There are many achievements, starting with the Ministry of Land, Infrastructure, Transport and Tourism.
Company information
Milcon is creating a livable environment for people through concrete secondary products.
