PVC coated gabion box is a rectangular wire mesh basket fabricated from hexagonal galvanized steel wire with an extra UV-stabilized PVC coating. PVC coated gabion box is filled with natural stones on construction site to form flexible, water-permeable and integrated structures, including retaining walls, riverbank protection facilities and drainage channel linings.
Product Specification
|
Parameter |
Specification |
|
Material |
Galvanized steel wire + PVC coating |
|
Mesh Opening |
60×80mm, 80×100mm, 100×120mm |
|
Wire Diameter (inner) |
2.0mm – 3.0mm (before coating) |
|
Wire Diameter (after coating) |
3.0mm – 4.0mm (with 0.5mm PVC) |
|
Box Size |
1×1×1m, 2×1×1m, 3×1×1m, 4×1×1m |
|
Coating Thickness |
0.3mm – 0.5mm, UV-stabilized |
|
Standard |
ASTM A975, EN 10245-2 |
Product Advantages
- Superior Corrosion Resistance: The thick PVC coating effectively isolates saltwater, acidic soil and chemical substances, greatly extending the service life to more than 25 years.
- High Flexibility: It can adapt to foundation settlement and slight seismic deformation without cracking or structural damage.
- Permeable Design: Natural mesh gaps allow free water drainage, effectively avoiding hydrostatic pressure accumulation behind the retaining structure.
- Cost-Effective: The installation process is simple and requires no professional construction skills; flat-folded packaging also greatly cuts down logistics and transportation costs.
- Eco-Friendly: The natural stone filling supports later vegetation growth, making the structure perfectly integrated with the surrounding natural landscape.
Application Scenarios
- Riverbank & Coastal Protection: Resist tidal and wave erosion, with the PVC coating perfectly adapting to saltwater corrosion environments.
- Retaining Walls: Construct flexible terraced retaining walls for highways, hillside construction projects and residential landscape renovation.
- Channel Lining & Culverts: Stabilize drainage channels and bridge foundations to prevent water flow scouring damage.
- Mine Rehabilitation & Land Reclamation: Consolidate mine spoil heaps and control water runoff in harsh chemical soil environments.
- Emergency Flood Barriers: Quickly built into temporary flood control levees and barriers to cope with sudden flood disasters.
FAQ
Q: What is the lifespan of a PVC coated gabion box in marine environments?
A: With 0.5mm UV-stabilized PVC coating and standardized installation, its service life can reach 25-30 years in coastal engineering applications.
Q: How are adjacent boxes connected?
A: Adjacent panels are firmly connected with 2.2mm diameter galvanized lacing wire in spiral or continuous winding way, ensuring stable overall structural force.
Q: Is special foundation preparation required?
A: It is recommended to lay a leveled and compacted gravel bed or geotextile liner, which can prevent soil loss and ensure uniform stress distribution of the whole structure.
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