Corrugated steel plate water conveyance canal is made of corrugated galvanized steel plate bent into U-shape or semicircle and fastened by rivet connection, which is used for agricultural and water conveyance canal. This product has the advantages of high strength, convenient construction, high cold resistance and good sealing.
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|
-stores for ammunition
-belt conveyor protection
- and for reinforcement and reconstruction of existing structures as well.
Multiplate structures can be used for every class of service load provided that appropriate backfilling is performed.
Steel used for corrugated steel pipe is produced in accordance with Chinese standard.
Minimum yield strength 235N/mm2 and 345N/mm2
Steel standard Q235 and Q345
Also can accordance with EN10025
Steel standard S355JR, S235JR, S315MC
And can adopt the other standard steel according to customers’ demand
Generally adopt semi-circular, U-shaped.
Generally hot-dipped galvanized treatment is used before leaving the factory, and non-metallic coating such as asphalt is used on site for secondary anti-corrosion.
Mainly used in alpine areas of agriculture, water conservancy canals, highway side ditch drainage.
|Type||Wave distance(mm)||Wave height(mm)||Wall thickness(mm)||Applicable span diameter(mm)|
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