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)

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Lugar
Jammu & Kashmir
País / Região
Índia
Ano de instalação
2016
Cliente
N.H.A.I. (National Highways Authority of India)
Engenharia
GeoData Consultants for Leighton Wellspun Contractors Pvt. Ltd.
Contratante:
Leighton Welspun Contractors Pvt. Ltd.
Objecto protegido
Estrada, Infra-estrutura
Sistemas
GBE-500A
Absorção de energia máxima
500 kJ
Altura do sistema
4.0 m
Comprimento do sistema
80 m - 91 m
Protecção contra a corrosão
Galvanizado, GEOBRUGG SUPERCOATING®
Outras aplicações instaladas
Estabilização de taludes
Situação inicial

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.

Descrição

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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Kevin H. Coyle
Kevin H. Coyle
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Saleh Feidi
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John Kalejta
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Telefone +1 505 220 1404

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Pierce Runnels, Civil Engineer
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