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Barriers Rockfall protection

barriers

Rockfall barrier systems are designed to intercept falling rocks which have detached from the rock face above them and pose a threat for humans or human structures.

Rockfall barriers are complex structures of steel cables, connections of steel cables to structural elements, energy absorbing devices and anchorages, capable of high deformation capacities.

Their versatility allows them to be used along side different positions, to protect built-up areas, roads, or in coupling with other passive interventions (such as nettings), even in narrow spaces.

Type Barrier 500 E Barrier 1000 E
Product Energy class 2 (500 kJ) 3 (1000 kJ)
System height 3 – 3,5m 4 – 5m
Support Type of post HEA 100, zinc coated HEA 120, zinc coated
structure
Interception structure Net Diagonal wire rope net Diagonal wire rope net
Mesh 300X300 250X250
Mesh-rope Ø8 mm Steel-rope, zinc coated Ø9mm Steel-rope, zinc coated
Additional layer Diagonal wire mesh 50x50mm Diagonal wire mesh 50x50mm
Brakes Type of brake Rope brake Rope brake
Braking cable Ø18 mm Steelrope, zinc coated Ø18 mm Steelrope, zinc coated
Braking distance 1500 mm 3000 mm
Ropes Main cable Ø18 mm Steelrope, zinc coated Ø18 mm Steelrope, zinc coated
Lateral cable Ø12 mm Steelrope, zinc coated Ø16 mm Steelrope, zinc coated
Retention cable Ø12 mm Steelrope, zinc coated Ø16 mm Steelrope, zinc coated
Anchoring Post anchor GEWI bar Ø25 mm, M24 thread bar GEWI bar Ø25 mm, M24 thread bar
Lateral anchor Spiral cable anchor Ø16 mm Spiral cable anchor Ø18 mm
Retention anchor Spiral cable anchor Ø14 mm

barriers_att

ATTRIBUTES

- The size, the quality of materials and their technical specifications are standardised and certified.
- Very effective for rockfall protection and environmentally harmless.
- Easy to install due to the modular system structure.
- Easy and economically maintained.
- Is a flexible system with low impact forces on the individual components.
- They deform limited after the impact of the rock and maintain adequate levels of protective shield in their flexible screen buffer.


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