Corrugated steel culvert is laying buried in the highway, using screw corrugated pipe culvert beneath the railway, which is composed of a metal plate or roll into corrugated circular corrugated steel sheet into the semicircle waveform made tube.
1, before installation work: check culvert bottom roughness, Zhongjie foundation level, elevation. Check the civil standard, confirm the position of the culvert, the center axis and the midpoint.
2, connection and installation: according to the actual situation of corrugated culvert culvert discharge culvert.
3, asbestos pad.
4, the tube wall seepage treatment: inside and outside the pipe wall with emulsified asphalt or hot asphalt two, from the appearance at the inner wall is evenly painted to the clarinet.
5, the whole road culvert Jack correction, which center on the center line set.
Mobile: +86 186 0318 8333