Gabions Coast
Gabions Coast offers superior erosion control and coastline stabilization along coastlines worldwide. Designed specifically for ports, harbors, and high-intensity coastal areas, we, as a leading manufacturer with large-scale production capabilities, provide certified high-strength mesh configurations that fully comply with stringent international ASTM and EN engineering standards. Partnering with us means procurement professionals and civil contractors benefit from direct factory pricing, traceability of certified materials, and tailored holistic solutions, significantly reducing overall project costs.
- Product Introduction
High-performance marine infrastructure demands relentless durability. Our marine fencing utilizes low-carbon, double-twisted hexagonal steel wire designed in strict accordance with ASTM and EN 10223-3 standards. Available in versatile 6×8 and 8×10 mesh dimensions, the structure features a cutting-edge three-layer corrosion protection system-combining Galfan/Heavy Hot-Dip Galvanizing with marine-grade PVC or PA6 coating. Uniquely engineered to resist marine atmospheric corrosion, chemical degradation, and physical abrasion, it is the ultimate defense solution for ports, harbors, and high-intensity coastal developments.
Product Specifications
|
Technical Parameter |
Specifications & Configurations |
Compliance Standards |
|
Mesh Structure |
Double-Twisted Hexagonal Wire Mesh |
EN 10223-3 |
|
Mesh Size Options |
6x8 Type (Nominal 60x80mm) / 8x10 Type (Nominal 80x100mm) |
EN 10223-3 / ASTM A975 |
|
Steel Core Material |
High-Ductility, Low-Carbon Steel Wire |
EN 10218-2 / ASTM A641 |
|
Mesh Wire Diameter |
2.2 mm / 2.7 mm / 3.0 mm (Customizable based on tensile load) |
EN 10223-3 |
|
Selvedge Wire Diameter |
2.7 mm / 3.4 mm / 3.9 mm (Heavier gauge to reinforce structural edges) |
EN 10223-3 |
|
Lacing Wire Diameter |
2.2 mm (Sufficient allocation shipped proportionally with all orders) |
EN 10223-3 |
|
Advanced Surface Treatments |
1. Galfan Coating (95%Zn-5%Al / Mischmetal Alloy) |
EN 10244-2 Class A |
|
Tensile Strength |
350 N/mm² – 500 N/mm² (Ensures structural elongation without brittle snapping) |
EN 10223-3 |
|
Salt Spray Endurance |
Withstands 3,000 to 6,000 hours of continuous exposure without coating delamination |
ASTM B117 |
|
Structural Configurations |
1. Gabion Baskets: 2x1x1m, 3x1x1m, 4x1x1m (Standard sizing) |
Dimensional tolerances per ASTM A975 |
Product Advantages
Anti-Unraveling Mechanical Integrity
Utilizing a double-twisted hexagonal weave pattern, our systems offer superior mechanical security. If any individual wire is mechanically cut or damaged by heavy stone shifting along a turbulent gabions coast, the double-twist interlocking joints isolate the stress, preventing continuous unraveling and preserving global structural stability.
Hydrodynamic Wave Energy Dissipation
The high-porosity matrix of our stone-filled cages allows water to flow through the structure. This passive absorption breaks wave momentum naturally, drastically minimizing hydrodynamic lift and preventing subgrade soil washout along the gabions coast.
Dual-Layer Marine Longevity
The high-purity Galfan alloy core provides sacrificial anodic protection that lasts up to three times longer than standard galvanizing. When coupled with our specialized marine gabions polymer overcoating (PVC/PA6), the wire is fully insulated from aggressive saltwater oxidation, guaranteeing a reliable structural lifespan of over 50 years in severe splash zones.
Flexible Micro-Settlement Accommodation
The high-ductility mesh possesses inherent structural flexibility. When severe tidal action causes subgrade shifts or uneven ground settlement along the gabions coast, the modular baskets deform and self-adjust to match the altered terrain profile without cracking, snapping, or losing structural containment.
Products Application
Assembled into massive modular gravity structures, these heavy-duty marine gabions act as offshore breakwaters. They reduce deep-water wave velocity before it impacts the shore, trapping littoral drift sand to rebuild eroding coastlines over time.
Specially deployed along active navigation channels, commercial boat docks, and harbor walls. These units resist the immense, localized hydraulic shear stress generated by ship thrusters and heavy maritime traffic while reinforcing mass gravity retaining structures.
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Engineered for the aggressive tidal zones of the gabions coast, where water levels fluctuate constantly. The permeable structure allows rapid drainage during low tide, relieving destructive pore water pressure within the backed soil while promoting natural vegetation growth for long-term ecological integration.
Configured as low-profile Reno mattresses to protect brackish river mouths and marine inlets where river currents meet ocean tides. They permanently prevent channel migration, absorb continuous multi-directional water friction, and lock the hydraulic boundary of the gabions coast into place.
FAQ
Q: How long can your PVC/PA6 coated marine gabions last in extreme coastal and high-salinity environments?
A: Under severe marine exposure (C5-M corrosion rating), our triple-layer protected gabions (Galfan/Heavy Galvanized + Primer + Marine-Grade PVC/PA6 outer sheath) are engineered to offer a design service life of up to 50–120 years. The high-grade PA6/PVC coating successfully prevents saltwater penetration, chemical degradation, and strong UV radiation.
Q: What makes double-twisted hexagonal steel wire safer than welded mesh gabions for coastal wave dissipation?
A: Double-twisted mesh features a continuous, non-unraveling structure. If a single wire happens to break due to heavy wave impact or severe rock abrasion, the double-twisted system prevents progressive unravelling and maintains full structural integrity. Furthermore, it offers high tensile strength and structural flexibility to accommodate foundation settlement without cracking.
Q: Can mesh sizes, wire diameters, and gabion basket dimensions be customized for specific project hydraulic requirements?
A: Absolutely. While our standard mesh sizes are 6×8 cm and 8×10 cm, we provide fully customizable wire diameters (typically 2.0 mm–4.0 mm) and edge/selvedge wire reinforcements. We can also pre-assemble internal diaphragms (every 1 meter) to simplify on-site rock filling, speed up installation, and ensure uniform mass distribution under strong wave action.
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