Passive Rockfall Barrier System Square Hole Shape
Product description:
Passive rockfall barrier system is installed bottom of the mountain or slope to reduce and block the rockfalls and stones. When the stones, rocks, snows are falling down the mountain or slopes, the passive rockfall barrier system can reduce the impact of the rockfalls and protect the people and properties' safety.
Main types of passive rockfall barrier systems are including steel wire rope net and steel ring net.
Steel wire rope net. steel wire rope net can not only used for active rockfall barrier system, but also the passive rockfall barrier system. It is mainly composed of steel wire rope net, decompression rings, supporting rope, sewing rope and steel column. It has high tensile strength and can block the rockfalls within 750 kJ.
Steel wire ring net. Steel ring net is made of high quality hot dipped galvanized wire into circles. Different circle quantity have different block capacity. The steel ring net can block the rockfalls within 2000 kJ. Steel ring net system is commonly made of steel ring net, supporting rope, anchor rope, sewing rope and metal column.
| Type | Mesh Type | StructureConfiguration | ·Remarks |
| GAR1 | DO/08/300 | Φ16 edge (or upper edge) wire rope anchor + Φ12 edge (or upper edge)Support rope + Φ8 suture rope | Single-layer steel wire mesh, the length of the bolt is generally 2-3m, and the pull-out force is not less than 50KN. |
| GAR2 | DO/08/300 |
Φ16 system wire rope anchor +Φ16 lateral support rope +Φ16 (Φ12) Longitudinal support rope + Φ8 suture rope |
Single-layer steel wire mesh, hollow pit + tension, the length of the bolt is generally 2-3m, and the pullout force is not less than 50KN. |
| GPS1 | DO/08/3000+SO/2.2/50 | Φ16 edge (or upper edge) wire rope anchor + Φ12 edge (or upper edge) Support rope + SO / 2.2 / 50 wire grid + Φ8 suture rope | Double-layer net (wire rope net + steel wire grille), the length of the bolt is generally 2-3m, and the pull-out force is not less than 50KN. |
| GPS2 | DO/08/3000+SO/2.2/50 |
e Φ16 system wire rope anchor +Φ16 lateral support rope +Φ16 (Φ12) Longitudinal support rope + wire grid + SO / 2.2 / 50 wire grid + Φ8 suture rope |
Double-layer net (wire rope net + steel wire grille), the length of the bolt is generally 2-3m, and the pull-out force is not less than 50KN. |
| GER1 | SO/2.2/50 | Same as GAR1 but stitched with iron wire [SO/2.2/50 wire grille, up and down Anchored along the upper and lower support ropes] | Single-layer grille net, the length of the bolt is generally 2-3m, and the pull-out force is not less than 50KN. |
| GER2 | SO/2.2/50 | Same as GAR2 but stitched with iron wire [SO/2.2/50 wire grille, up and down Anchored along the support rope | Single-layer grille net, the length of the bolt is generally 2-3m, and the pull-out force is not less than 50KN. |
| GTC-65A | TC/65 | Prestressed steel anchor + hole pit + suture rope (select boundary as needed Support rope and wire rope anchor) | Single layer high strength steel wire mesh |
| GTC-65B | TC/65 | Φ16 edge (or upper edge) wire rope anchor + Φ12 edge (or upper edge) Support rope + Φ8 suture rope | Single-layer steel wire mesh, the length of the bolt is generally 2-3m, and the pull-out force is not less than 50KN. |
Features of rockfall netting
Resistant to corrosion, rust, oxidation and damage.
Stable structure, smooth surface, uniform mesh size, high tensile strength.
Allow vegetation regrowth.
Flexible in all direction and would not spread when it is broke.
Easy to transport and install.
Galvanized mesh and PVC coated mesh have longer life, low cost.
Applications of rockfall netting
Prevent rocks and debris from falling onto roads and railways.
Prevent landslides.
Protection of infrastructure beneath slopes.
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