Plastic drain pipes are composed of a plastic core wrapped with a filter fabric assembly. The plastic core is primarily made of thermoplastic synthetic resins, modified and extruded into fine plastic strips in a molten state through a nozzle, then fused at junction points by a molding device to form a three-dimensional mesh structure. The plastic core comes in various structures such as rectangular, hollow matrix, circular hollow, and more. This material overcomes the shortcomings of traditional drain pipes, featuring high surface porosity, good water collection, large void ratio, excellent drainage, high compressive strength, good pressure resistance, flexibility, adaptability to soil deformation, durability, lightweight, ease of construction, significantly reduced labor intensity for workers, and high construction efficiency. Consequently, it is widely welcomed by engineering departments and finds extensive application.

1) Reinforcement and drainage for highway and railway subgrades and shoulders.

2) Tunnel, subway underpass, and underground storage yard drainage

3) Soil and water conservation for slope and embankment development.

4) Various retaining wall vertical and horizontal drainage.

5) Slippery ground drainage

6) Power plant ash pond drainage. Waste landfill project drainage.

7) Drainage for sports fields, golf courses, baseball fields, soccer fields, parks, and other recreational green spaces.

8) Roof garden and planter box drainage

9) Construction foundation drainage for civil engineering projects.

10) Agricultural and horticultural underground irrigation and drainage systems

11) Drainage systems for low-lying and wet areas. The drainage materials used in land preparation projects are internationally known as Geocomposite Drainage Systems (GDS), also referred to as three-dimensional drainage boards and drainage channel materials for civil engineering. These are three-dimensional, porous materials formed by heating thermoplastic synthetic resins to melt them, then extruding fiber filaments through nozzles to overlap and fuse their junction points together.