Precautions for Assembling Metal Corrugated Steel Pipe Culverts

When assembling metal corrugated steel pipe culvert, the end of downstream block of corrugated steel pipe culvert must be placed under upstream block of corrugated steel pipe culvert to prevent the water in the pipe from infiltrating into the joint and emptying the foundation soil, resulting in the destruction of the whole corrugated steel pipe culvert.

When assembling large diameter culvert pipe, a movable wooden workbench can be set in the pipe for easy assembly.
Assemble metal corrugated steel pipe culvert with bolt assembly, can be used to send assembled bolt group method, namely each screw Kong Xian insert bolt, cover on after nut, slightly early twist, not tighten nut, for all the pieces after the assembly, then tighten the nut individually, each nut torque should meet the requirements of the relevant specification, powered wrench, screw pull time should last 2 s ~ 5 s.

When cutting corrugated culvert pipe, it is required that the cutting edge be free of oxide and burr.

Where the galvanized protective layer of assembled metal corrugated steel pipe culverts is damaged, antirust agent shall be applied to prevent corrosion.