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Chenani Nashri Tunnel Portal (2016)

Protezione da caduta massi - Chenani Nashri Tunnel Portal (2016) 2016

Finished line of GBE-500A rockfall barrier above the Chenani Nashri Tunnel

Protezione da caduta massi - Chenani Nashri Tunnel Portal (2016) 2016

Overview of the tunnel portal construction site - GBE-500A rockfall barrier line visible on the top

Protezione da caduta massi - Chenani Nashri Tunnel Portal (2016) 2016

GBE-500A after installation, slopes below are being cut

Protezione da caduta massi - Chenani Nashri Tunnel Portal (2016) 2016

GBE-500A after installation, slopes below are being cut

 

Sistemi

 

Lunghezza del sistema

80 m - 91 m

 

Anno di installazione

2016

Situazione iniziale

The site was initially proposed to be treated with shotcrete but persistent seepage of water which caused slope failures and cracks on the portals led the concessionaire to go for an alternate solution which does not only stabilize the slopes but also offers a green solution and allows the hydrostatic pressure to disperse. National Highways Authority of India decided to actively stabilize the tunnel portals. A protective measure had to be selected to stabilize the exposed cutting against superficial instabilities, tilting as well as sliding of individual blocks and rockfalls.

As an extra safety measure, 500 kJ barrier line was introduced and placed on one of the berms to provide extra safety besides portal stabilization. Rockfall barriers protect agains rockfalls from above stabilized area.

Descrizione

The GBE-500A rockfall barrier system protects the entry and exit levels of the Chenani Nashri Tunnel from all sorts of major and minor rockfalls or any falling object which could in anyway harm the tunnel portals and traffic. Thus it helps reducing the risks involved as well as the complete protection from rockfall based calamity.

See also our slope project Chenani Nashri Tunnel Portal (1)

Paese / Regione

India

Cliente

N.H.A.I. (National Highways Authority of India)

Progettazione:

GeoData Consultants for Leighton Wellspun Contractors Pvt. Ltd.

Contraente:

Leighton Welspun Contractors Pvt. Ltd.

Oggetto protetto

Strada, Infrastrutture

Protezione dalla corrosione

Galvanized, GEOBRUGG SUPERCOATING

Il contatto locale

Kevin Coyle
 

Kevin Coyle

Regional Manager Northeast

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,3 Beaudet Terr,CT 06237 Columbia / Stati Uniti Regional Manager Northeast

E-mail

Saleh Feidi
 

Saleh Feidi

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,8921 Emperor Ave.,91775 San Gabriel, California / Stati Uniti

E-mail

John Kalejta
 

John Kalejta

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,KS 67226 Wichita / Stati Uniti

E-mail

Bob Lyne
 

Bob Lyne

Sistemi contro il dissesto idrogeologico
Ingegneria idraulica
Geobrugg North America, LLC,8004 Windspray Drive,NC 27358 Summerfield / Stati Uniti

E-mail

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Sistemi contro il dissesto idrogeologico
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

E-mail

Tim Shevlin
 

Tim Shevlin

Sistemi contro il dissesto idrogeologico
Geobrugg North America, LLC,OR 97302 Salem / Stati Uniti

E-mail