Corrugated steel arch pipe

Corrugated steel arch pipe (CSP) is a type of corrugated metal pipe that is used for the drainage of water and other liquids. It is made by rolling a sheet of metal into a wave-like shape and then joining the edges of the sheet together to form a tube. The corrugations, or waves, in the metal provide additional strength and rigidity to the pipe, making it more resistant to damage and collapse.

Corrugated steel arch pipe is distinguished from other types of corrugated metal pipes by its arched shape. The arch in the pipe helps to distribute the load of the soil and other materials above the pipe more evenly, which helps to reduce the amount of stress on the pipe. This makes Corrugated steel arch pipe well-suited for use in applications where the pipe will be buried under a significant amount of weight or pressure.

Corrugated steel arch pipe is commonly used in the construction of drainage systems for roads, highways, and other infrastructure projects. It is also used in the construction of culverts, which are structures that allow water to flow underneath roads or other obstacles. In addition to its use in drainage systems, Corrugated steel arch pipe is also used in a variety of other applications, including irrigation, water supply, and sewage systems.

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Corrugated steel arch pipe can be used as:

-culverts

-bridges 

-tunnels 

-under passed 

-ecological crossing

-pedestrian tunnel 

-hangers 

-shelter 

-warehouse 

-stores for ammunition 

-belt conveyor protection 

-ventilating duct 

-reinforcement and reconstruction of existing structures

Multiplate structures can be used for every class of service load provided that appropriate backfilling is performed.

Steel

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

Depth of cover

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.

Durability