The Active Rockfall Protection Systems consist of wire rope nets (e.g., D0/08/300), support cables, anchor bars, and stitching ropes. These systems apply active tension to the slope surface to restrict rockfall movement, inhibit weathering and spalling, and reinforce unstable rock masses. Depending on the configuration, Active Rockfall Protection Systems achieves a service life of 30 to 50 years under standard hot-dip galvanized coating.
Technical Parameters
|
Component |
Specification |
Details |
|
Wire rope net (model D0/08/300) |
Mesh size: 300×300 mm (diamond); Wire diameter: Φ8.0 mm; Tensile strength: ≥1770 MPa; Single wire breaking force: ≥40 kN |
Panel size: 4 m × 4 m; Material: Hot-dip galvanized steel wire rope |
|
Steel wire mesh (SO/2.2/50) |
Wire diameter: Φ2.2 mm; Mesh size: 50×50 mm |
Panel size: 2.6 m × 10.2 m; Material: Galvanized steel wire |
|
Horizontal support rope |
Φ16 mm (1×19 construction) |
Breaking force ≥120 kN |
|
Vertical support rope |
Φ12 mm (1×19 construction) |
Breaking force ≥70 kN |
|
Stitching rope |
Φ8 mm |
Same material as main net |
|
System anchor bar |
Φ16 mm; Length: 2.0–4.0 m (longer for soil) |
Spacing: 4.5 m × 4.5 m; Pullout resistance ≥50 kN |
|
Protection energy |
≤100 kJ (GPS2 standard config) |
– |
|
Corrosion protection |
Hot-dip galvanized (zinc coating ≥100 g/m²) |
Service life ≥30 years; Galfan ≥50 years; PE-coated ≥20 years (indirect light) |
|
Pre-tensioning (edge rope) |
10–50 kN |
Ensures slope surface contact |
Product Advantages (Data-Supported)
- Wire rope tensile strength ≥1770 MPa, single wire breaking force ≥40 kN.
- Anchor bar pullout resistance ≥50 kN (Φ16 mm anchor, length 2–4 m).
- Protection energy ≤100 kJ for GPS2 model, suitable for medium rockfall events.
- Hot-dip galvanized coating (≥100 g/m²) provides ≥30 years of service; Galfan coating extends to ≥50 years.
- Breaking force of Φ16 mm horizontal support rope ≥120 kN, Φ12 mm vertical rope ≥70 kN.
Applications
Highways and railway cuttings
Mining and quarry slopes
Municipal infrastructure slopes
Soil embankments and weathered rock faces
Long-term corrosion-resistant projects (GTC-65A/B)
Company Introduction
Chengshuai Slope Protection Engineering Co., Ltd. (formerly Hebei Xincheng Slope Protection Net Co., Ltd.) was founded in 2008 with a registered capital of over RMB 10 million and a production area of nearly 10,000 m². The company is equipped with domestic advanced CNC automatic production lines for protection nets. Its main products include SNS flexible protection systems, cable barriers, fence nets, gabion nets, and wire rope nets, backed by professional R&D capabilities and a comprehensive product range.
FAQ
Q1: What is the difference between GPS2 and GAR2?
A: GPS2 includes a double-layer protection with a wire rope net plus a steel wire mesh for small rock fragments. GAR2 uses only the wire rope net, suitable for stable rock slopes without small debris.
Q2: What is the service life of the Active Rockfall Protection Systems?
A: With standard hot-dip galvanized coating (≥100 g/m²), the system lasts ≥30 years. Galfan coating provides ≥50 years, and PE-coated ≥20 years (indirect light).
Q3: Which model is suitable for soil slopes with small rockfalls?
A: GPS2 or GTC-65A is recommended. GTC-65A provides up to 100 years of anti-corrosion life but its reinforcement capacity is 70–80% of GPS2 and is not suitable for rock blocks larger than 1 m³.
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