Structural Plate is perfect for projects that require large diameter culvert or pipe. This product offers efficient, easy installation.
We manufcture and sale corrugated steel pipe for culvert, we have design and manufacture ability, we are the biggest and the first manufacture special for corrugated steel culvert pipe.
Structural Plate is perfect for projects that require large diameter culvert or pipe. This product offers efficient, easy installation.
We manufcture and sale corrugated steel pipe for culvert, we have design and manufacture ability, we are the biggest and the first manufacture special for corrugated steel culvert pipe.
The minimum allowable depth of cover is the largest of:
For roads H=B/8+0.2(m) H=B/6(m) and not less than 0.6（m）
For railways H=B/4 and not less than 0.6(m)
There is a possibility to reduce depth of cover provided that suitable checking calculations will be made.
Connection method of HDPE Corrugated Culvert Pipe
| Flexible structure | Plate thickness | Kinds of standard corrosion protection | Required average min value(um） |
| plates | ≧6mm | Hot zinc galvanizing | 85 |
| ≧3mm do < 6mm | Hot zinc galvanizing | 70 | |
| ≧1.5mm do < 3mm | Hot zinc galvanizing | 55 | |
| Bolts and nuts | - | Hot zinc galvanizing | 45 |
Highway Construction 
Mine Projection 
Municipal Engineering 
Irrigation Engineering 
Railway Construction Projection 
Other Application 
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