Metal
half round corrugated pipe is also called metal corrugated pipe culvert, corrugated pipe culvert, corrugated culvert pipe or steel corrugated culvert pipe, refers to the screw corrugated pipe lay in the culvert under the highway and railway, it is made of corrugated metal plate or semicircle corrugated steel plate , widely used in culvert (tube) of highway, railway, bridge, tunnel, retaining wall and a variety of mines and the retaining wall of roadway .
Practice has proved that using metal corrugated culvert pipe instead of the reinforced concrete culvert construction, no matter from the construction period, construction cost, environmental protection and so on has its incomparable superiority, and with metal corrugated culvert pipe culvert construction