This passive rock fall barrier chain link net addresses the critical pain point of high-impact rock fall protection, with core technical advantages in high-strength material and modular structural design. The high-strength galvanized manganese steel wire provides ultra-high tensile strength, capable of absorbing impact energy from rocks up to 500kg in weight. The double-layer PE immersion plastic coating extends service life to 15 years in harsh coastal or industrial environments, while the integrated stainless steel buffer rings disperse impact force across the entire net structure, avoiding local tearing. The modular panel design allows quick on-site assembly, and the steel column anchoring system provides stable fixing for steep slopes up to 70° gradient.
Made from 4.0mm diameter high-strength galvanized manganese steel wire, this product has a 30mm × 30mm mesh opening and a 200μm thick double-layer PE coating, providing superior corrosion resistance compared to standard galvanized products. Each standard panel measures 4m in length and 6m in width, with a unit weight of 25kg per square meter, requiring dedicated lifting equipment for transportation and installation. The supporting system includes 120mm diameter steel support columns, 16mm diameter steel rope anchor cables, and stainless steel buffer rings, with a maximum designed impact load of 500kJ per panel. It meets the ASTM A641 standard for high-strength wire mesh products.
This passive rock fall barrier chain link net is primarily used for high-risk slope protection scenarios with a gradient of ≤70°, including expressway steep cut slopes, railway tunnel entrance protection, open-pit mine boundary slope stabilization, and urban mountainous area rock fall prevention. It is capable of intercepting large falling rocks up to 1 cubic meter in size, effectively protecting downstream highways, residential areas, and industrial facilities. It is also suitable for areas with severe climate conditions, such as high-altitude mountainous regions and coastal zones, thanks to its superior anti-corrosion and temperature resistance performance.
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