Apparatus for drawing off rainwater of outlet of overpass bridge

摘要

Rainwater treatment device for an elevated roadway bridge drain according to the present invention, the rainwater flowing through the drainage of the upper portion of the elevated roadway bridge collecting water discharged to the lower portion of the bridge collected by collecting pipes provided over the side portion of the bridge upper structure and the side of the bridge A rainwater treatment device, comprising: a rainwater container for collecting rainwater discharged from an outlet of the water collection pipe, which is installed in the ground of a bridge lower road at the lower end of the bridge; And buried to connect the catchment wells on the vertical drainage pipes provided at both edges of the rain catcher and the lower road of the bridge through the ground, and include underground drainage pipes for discharging rainwater collected in the rain catcher into the catchment well. Has its features.;According to the present invention as described above, the rainwater flowing out through the drain hole in the upper portion of the bridge is discharged directly to the longitudinal drainage pipe of the road through the drain pipe buried in the ground of the lower bridge road without discharging on the road surface of the lower bridge, There is an advantage to prevent the freezing of the road in winter to promote safe driving of the vehicle.