Corrugated steel pipe, Structural Plate is perfect for projects that require large pipe. This product offers efficient, easy installation.
Corrugated steel pipe, Structural Plate is perfect for projects that require large pipe. This product offers efficient, easy installation.
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.
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 |
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