Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg
Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg
Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg
Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg Chenani Nashri Tunnel Portal (2016) 2016 - Geobrugg

Chenani Nashri Tunnel Portal (2016)

   Paylaş
Yer
Jammu & Kashmir
Ülke / Bölge
Hindistan
Kurulum Yılı
2016
Müşteri
N.H.A.I. (National Highways Authority of India)
Mühendislik
GeoData Consultants for Leighton Wellspun Contractors Pvt. Ltd.
Yüklenici
Leighton Welspun Contractors Pvt. Ltd.
Gösterilen obje
Road, Infrastructure
Sistemler
GBE-500A
Enerji emme kapasitesi
500 kJ
Sistem boyu
4.0 m
Sistem uzunluğu
80 m - 91 m
Korozyon koruması
Galvanized, GEOBRUGG SUPERCOATING®
Kurulan diğer uygulamalar
Şev ve Yamaç koruma
Durum

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.

Açıklama

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)

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