※ Product Introduction
The modified anhydrous phosphogypsum reinforced high-density polyethylene (HDPE - PG) hexagonal structure wall pipe takes high-density polyethylene resin as the main raw material, modified anhydrous phosphogypsum as the auxiliary reinforcement material, adds anti-aging additives and other blending modification materials to make special materials, and is extruded into a closed corrugated structure wall pipe with flat inner wall and hexagonal outer wall. The maximum inner diameter of the product is ID 1600 mm, the outer diameter is about 2000 mm, the highest ring stiffness can reach 32 KN/m ², and the service life is over 70 years. Compared to conventional circular double walled corrugated pipes, it increases the contact area with the foundation cover soil, forming surface to surface contact and exhibiting triangular stability.
※ Product advantages
1. High strength composite structureUsing HDPE as the matrix and adding phosphogypsum (industrial solid waste) for reinforcement, it combines the flexibility of HDPE with the rigidity of phosphogypsum, significantly improves the ring stiffness, and has stronger resistance to external pressure, making it suitable for high load scenarios.
2. Environmental solid waste utilizationEffectively absorb chemical by-products and reduce solid waste accumulation; The materials are recyclable and meet the standards of green building materials, reducing carbon emissions.
3Mechanical Design of Hexagonal HoneycombThe outer wall adopts a hexagonal corrugated structure, which has better cross-sectional stability than traditional circular corrugations, more uniform stress distribution, significantly enhanced resistance to soil lateral pressure and deformation, especially suitable for complex geological conditions such as soft soil and high fill.
※ Implementation standards
T ⁄ GZHG 038 - 2025 "Modified Anhydrous Phosphogypsum Reinforced High Density Polyethylene (HDPE-PG) Hexagonal Structure Wall Pipe"
※ Pipe connection method
1Socket type sealing ring connectionInsert the socket end of the pipeline into the socket end of the adjacent pipeline end, and seal the gap between the socket end and the pipeline socket end with a matching elastic sealing ring, which is a flexible joint. Before connecting, it is necessary to check and confirm that the rubber ring is properly matched, and that the insertion depth of the socket should be marked on the outer wall of the socket. When connecting, clean the inner wall of the socket, apply lubricant to the inner wall of the socket and the sealing ring of the socket, and align the central axis of the socket end face.
2Sleeve connectionIt is achieved by inserting two adjacent pipes into a sleeve and connecting them using the sealing structure between the sleeve and the pipe. Elastic sealing rings and other sealing components are usually installed between the sleeve and the outer wall of the pipe to ensure the sealing of the connection.
※ Application Fields
Urban pipe gallery, sponge city construction, high-speed railway drainage engineering, rural rainwater and sewage diversion engineering, flood control and drainage, water conservancy construction, urban pipe network renovation.