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Landslide Barrier

  • Passive Rockfall Barrier
  • Landslide Barrier


Product Description

The landslide barrier is a passive protection system that features a series of linked rings that form an extremely strong network to protect areas from falling rocks and landslides. These landslide barriers are installed around construction sites and other facilities near slopes. It also can be used cover the surface of slope or mountain to block the rockfall, rock scaling, landslide, debris flow and avalanche prevention.

Landslide Barriers - Tecco Mesh or Hexagonal Wire Mesh Combination

The Landslide Barriers main consists of steel ring nets and tecco mesh. Sometimes, the steel wire ring net can be used with hexagonal wire mesh. The steel wire ring net is combined with several steel rings which made of high tensile steel wires. Single steel wire are looped with ends inserted into the thread or secured by one or more than one ferrules. The ferrules can be steel or aluminum alloy. They are distributed on the rings evenly on three or more points. The rings are interlocked each other to supply high bear and load capacity. Each ring is connected with four or six contiguous rings in order to create a stable and solid ring net. The steel ring net is more flexible than the steel rope net.

                

ZDRN-01: Four contiguous ring type steel wire ring net.         ZDRN-02: Six contiguous ring type steel wire ring net.

Components

· Tecco mesh. The tecco mesh are made of high tensile steel wire1770Mpa to bear the high impact from stones, debris or snow. The wire diameter will be 2.0mm 3.0mm 4.0mm and the specifications are commonly G65/3 G65/4 G80/4 G45/2.

· Hexagonal wire mesh. It is an alternative to the chain link fence. The hexagonal wire mesh can also be used combined with steel ring net to block the smaller stones or soils in the natural hazard.

· Steel ring net. Steel ring net is made of high tensile steel wire and the wires are looped into circles. The circles will connect with each other to form steel ring net. The steel ring net has high load capacity and is more flexible than the steel rope net.

· Decompression ring. Decompression ring is placed along the steel wire ring net. It can reduce the pressure of the steel wire ring net. The decompression ring is made of hot dipped galvanized metal, which has outstanding corrosion and rust resistance.

· Supporting rope. Supporting rope is mainly used for supporting the wire rope and decompression ring. It is made of stainless steel wire ropes, which has high tensile strength and can bear the huge attack from the stones and snows.

· Steel column. Steel column is the H type post. It is installed onto the foundation base to support the steel wire ring net. The steel column is corrosion and rust resistance to bear the harsh environments. Additional, the steel column is high tensile strength to support the steel ring net. The arrangement of steel column is based on the terrain and usage environments.

· Foundation base. Foundation base is used for fasten the steel column onto the ground. The foundation base is hot dipped galvanized to resist the corrosion and rust.

 

Specifications of Landslide Barriers

· Steel ring net wire diameter: 3 mm.

· Steel ring net ring diameter: 300 mm or 350 mm.

· Tecco mesh wire diameters: 2 mm - 3 mm - 4mm.

· Tecco mesh specifications: G65/3 G65/4 G80/4 G45/2.

Types of Steel ring net for Landslide Barriers

Ring net type

RXI-025

RXI-050

RXI-075

RXI-100

RXI-150

RXI-200

RXI-300

Energy absorption capacity (kJ)

250

500

750

1000

1500

2000

3000

Ring net type

R5/3/300

R7/3/300

R7/3/300

R9/3/300

R12/3/300

R16/3/300

R16/3/300

Strands of wire

5

7

7

9

12

16

16

Wire diameter (mm)

3

3

3

3

3

3

3

Ring diameter (mm)

300

350/300

350/300

350/300

300

350/300

300

Rope diameter (mm)

16 - 18

18 - 22

14 - 16

16 - 18

18 - 20

18 - 22

22

Distance between posts (m)

8 - 12

8 - 12

8 - 12

8 - 12

8 - 12

8 - 12

8 - 12

Min./max. Barrier height (m)

3/6

4/7.5

4/7.5

5/9

6/10.5

5/9

6/10.5

Max. Deflection distance (m)

4.36

5.8

<7

8.15

8.45

8.15

8.45

Usable height remaining in impact section

>50% (Cat.A)

>50% (Cat.A)

>50% (Cat.A)

>50% (Cat.A)

>50% (Cat.A)

>50% (Cat.A)

>50% (Cat.A)

 

Features of Landslide Barriers

High tensile strength.

More flexible.

High load and absorption capacity.

Quick and easy installation.

Easy to replace the broken parts.

Corrosion resistance.

 

Applications of Landslide Barriers

The Landslide Barriers is mainly used for retaining of unstable slopes controlling and preventing rockfalls and loose debris flow along roads, highways and railway, urban areas, mines and quarries.

The Landslide Barriers also can be used for snow avalanche protection produced from metallic coated steel wire or advanced metallic coating.
 

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