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IRCON Tunnel 7 -P2, Teesta Bridge, Sivok Rangpo Railway

Rockfall Protection - IRCON Tunnel 7 -P2, Teesta Bridge, Sivok Rangpo Railway 2021

Rockfall barrier protecting the tunnel portal

Rockfall Protection - IRCON Tunnel 7 -P2, Teesta Bridge, Sivok Rangpo Railway 2021

Patel Rangpo before installation; exposed slope, Tunnel 7 -P2, near Teesta bridge National Highway-10, West Bengal

Rockfall Protection - IRCON Tunnel 7 -P2, Teesta Bridge, Sivok Rangpo Railway 2021

After installation: commuters on National Highway 10 are protected by GBE-2000A rockfall protection barrier

Rockfall Protection - IRCON Tunnel 7 -P2, Teesta Bridge, Sivok Rangpo Railway 2021

Completed installation of the rockfall barrier

 

Systems

 

System length

120 m

 

Year of installation

2021

Initial situation

The Indian Northeast Frontier Railway (NFR) was building a new railway line at Rangpo in West Bengal,  near Teesta bridge. During construction the slope at the tunnel portal became instable causing rockfall.

Geology: Moderately to highly weathered Claystone/Shale & Sandstone/Siltstone. With overburden of clayey silt with gravels and boulders.

Inclination of the slope: 50° to 60°

Description

Work started with drilling for anchors in April 2021 and was completed with installing a GBE-2000A rockfall barrier in June 2021.


Trained professionals carried out the installation under the supervision of Geobrugg India Pvt. Ltd. It ensures maximum safety with correct methodology, guiding the site engineers and sub-contractors for optimum effects and results.

Customer

Patel Engineering Limited (PEL), INDIA

Contractor

M/s Pioneer Foundations Engineers

Protected object

Railway

Corrosion protection

GEOBRUGG SUPERCOATING

Your local contact

Roger Moor
   

Roger Moor

Country Manager Ost- und Zentralschweiz, Liechtenstein

Natural Hazards
Hydraulic Engineering
Mining / Tunnels
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Switzerland Country Manager Ost- und Zentralschweiz, Liechtenstein

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René Müller
   

René Müller

Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

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Hydraulic Engineering
Mining / Tunnels
Geobrugg AG,Industriestrasse 21,5200 Brugg / Switzerland Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

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Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

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Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Switzerland Project Manager Inspection Services

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Isacco Toffoletto
   

Isacco Toffoletto

Ticino Country Manager

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Hydraulic Engineering
Mining / Tunnels
Geobrugg AG Ticino,Stabile Cometal, via Pizzante 7,6595 Riazzino / Switzerland Ticino Country Manager

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