Passive Protection Systems

Passive Protection Systems consist of fence-type flexible rockfall barriers made primarily of wire rope nets installed on slopes. These systems intercept falling rocks to safeguard roads, railways, and buildings. When placed in debris flow areas, they form a flexible grid dam capable of trapping large solid particles within the flow.
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Description

Passive Protection Systems incorporate steel columns, support ropes, anchor systems, and seaming ropes. As a mountain slope protection net, this equipment delivers superior energy absorption while preserving natural drainage. The system also functions effectively as a river embankment slope protection net along waterways and as a dam slope protection net for hydraulic infrastructure. Additionally, it serves as a mine slope protection net to secure quarry faces and mining excavations.

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Product Parameters

 

 

Model

Net Type

Structure

Main Protection Function

RX-025

D0/08/250

Steel column + support rope + anchor + seaming rope + brake ring

Intercepts rockfalls up to 250 KJ

RX-050

D0/08/200

Same as above

Intercepts rockfalls up to 250 KJ

RX-075

D0/08/150

Same as above

Intercepts rockfalls up to 250 KJ

RX1-025

R5/3/300

Steel column + support rope + anchor + seaming rope

Intercepts rockfalls up to 250 KJ

RX1-050

R7/3/300

Same as above

Intercepts rockfalls up to 500 KJ

RX1-075

R7/3/300

Same as above

Intercepts rockfalls up to 750 KJ

RX1-100

R9/3/300

Same as above

Intercepts rockfalls up to 1000 KJ

RX1-150

R12/3/300

Same as above

Intercepts rockfalls up to 1500 KJ

RX1-200

R19/3/300

Same as above

Intercepts rockfalls up to 2000 KJ

 

Main Applications

 

 

Passive Protection Systems find widespread use on highways, railways, mining sites, and hydropower projects. A mountain slope protection net protects roads winding through mountainous regions, whereas a river embankment slope protection net and dam slope protection net secure hydraulic structures against rockfall hazards. The mine slope protection net ensures safe operations along quarry faces and excavation zones.

 

Frequently Asked Questions (FAQ)

 

 

Q: How do Passive Protection Systems handle very large rockfalls?

A: Where the expected impact energy exceeds a given net's rating, operators should select a higher-capacity RX1 model. The flexible structure distributes impact loads efficiently across steel ropes and brake rings, preventing localized failure.

Q: Is specialized equipment necessary for installation on steep slopes?

A: Not at all. The lightweight components can be transported by helicopter and simply unrolled from the slope top. Since installation typically takes only a few weeks, even remote or difficult sites remain manageable.

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