Galvanized corrugated steel pipe is a type of corrugated steel pipe that has been coated with a layer of zinc to protect it from corrosion. This type of pipe is commonly used in the construction of culverts, storm drains, and other types of underground infrastructure.
The process of galvanizing steel involves applying a layer of zinc to the surface of the steel. This layer of zinc serves as a protective barrier between the steel and the environment, helping to prevent rust and other forms of corrosion. Galvanized steel is more durable and corrosion-resistant than uncoated steel, making it an ideal choice for applications where the pipe will be exposed to harsh environments or corrosive materials.
Galvanized corrugated steel pipe is available in a range of sizes and thicknesses to suit different applications. It can be used in the construction of roads, bridges, and other structures, and is also commonly used in irrigation and drainage systems. Its durability and corrosion-resistant properties make it a popular choice for a variety of construction and infrastructure projects.
Galvanized corrugated steel pipe (GCP) has a number of advantages over other types of pipes, including:
|Durability||GCP is made from steel, which is a strong and durable material that can withstand a variety of environmental conditions. The galvanized coating on GCP also provides added protection against corrosion and rust.|
|Flexibility||GCP is a flexible pipe that can bend and move with the ground without breaking.|
|Cost-effective||GCP is typically less expensive than other types of drainage pipes, such as concrete or PVC.|
|Easy to install||GCP is relatively lightweight and can be easily transported and installed, making it a cost-effective option for large-scale projects.|
|Low maintenance||The galvanized coating on GCP makes it easy to clean and maintain, which can help to extend its lifespan.|
|Variety of sizes||GCP is available in a wide range of sizes, making it suitable for small drainage projects as well as large-scale infrastructure projects.|
|High flow capacity||The corrugated shape of GCP provides a high flow capacity for drainage systems, which can help to prevent flooding and erosion.|
|Environmentally friendly||GCP is made from steel which is a recyclable material and it's manufacturing process is also not harmful to the environment.|
Galvanized corrugated steel pipe (GCP) is commonly used in a variety of drainage and infrastructure applications such as:
|Stormwater management||GCP is often used in stormwater drainage systems to convey runoff and prevent flooding.|
|Culverts||GCP is often used as culverts to allow water and debris to flow under roads and other infrastructure.|
|Flood control||GCP can be used in flood control structures such as levees, dikes, and floodwalls to protect against rising water levels.|
|Erosion control||GCP can be used in erosion control structures such as check dams and sediment ponds to slow the flow of water and prevent erosion.|
|Irrigation||GCP can be used in irrigation systems to convey water from a source to crops or other plants.|
|Mining||GCP can be used in mining operations to control and convey water and other materials.|
|Agriculture||GCP can be used to control water and in drainage ditches in agricultural fields.|
|Industrial||GCP can be used in industrial settings to control and convey liquids, such as chemicals or waste materials.|
|Landscaping||GCP can be used in landscaping projects to direct water flow in gardens and parks.|
|Underground drainage||GCP can be used for underground drainage systems, such as subsurface drainage systems for parking lots, sports fields, and other paved areas.|
|Bridge and road drainage||GCP can be used for drainage in and around bridges and roads to prevent water damage and erosion.|
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
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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