After Culvert Pipe is transported to the construction site, check its few scales section by section, and be satisfied with the rules in the following table, where the deformed steel plate and galvanized layer scratches, abrasions and other defective areas of more than 10cm² shall not be used during the transportation process.

If the anchor end is partially cracked or damaged, resulting in poor connection at the joint, China Lucky Steel Supplier does not permit usding it.

In the minimum filling thickness of the metal bellows culvert and the pipe side filling within the height of 3/4 pipe diameter on both sides of the culvert, pay attention to tamping. In the minimum filling thickness shown in the following table and the pipe side filling due to the narrow area, the use of small vibration tamping tamping, other directions to choose the same compaction machine as the usual roadbed.