Drainage ditch (water channel) can let water flow under the road through this structure. Used to cross natural valleys and depressions.
Flood discharge, or crossing large and small roads as an interchange channel for people, livestock and vehicles, or irrigation of farmland as a canal. Culverts are mainly composed of caves,
Foundation, end wall and wing wall, etc. . Culverts are composed of brick, stone, concrete and reinforced concrete according to the principle of connector. one
Generally, the aperture is small, and the shapes are tubular, box and arch.
Wing wall: it is a retaining structure to ensure the stability and diversion of subgrade slopes on both sides of culvert or gravity abutment.
Things.
3. End wall: located at one end of the head car and at both ends of the middle car.
The end wall is located on both sides of the entrance and exit, which plays the role of retaining soil and guiding water, and is the structure to ensure the stability of subgrade or embankment at culvert. end wall
Formally, there are commonly used splayed wing wall type and word wall type.
End walls are also arranged at the inlet and outlet of the channel.