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Innovative solution for an Extradosed bridge over river Beas in Hilly Terrain of Himalayas

 Innovative solution for an Extradosed bridge over river Beas in Hilly Terrain of Himalayas
Auteur(s): ,
Présenté pendant IABSE Symposium: Long Span Bridges, Istanbul, Turkey, 26-28 April 2023, publié dans , pp. 472-479
DOI: 10.2749/istanbul.2023.0472
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Road Network of Himachal Pradesh, a northern state in India requires number of long span bridges across valleys and rivers due to its hilly terrain. One such bridge across river Beas at Hanogi has ...
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Détails bibliographiques

Auteur(s): (Spectrum Techno Consultants Pvt Ltd Navi Mumbai, India)
(Spectrum Techno Consultants Pvt Ltd Navi Mumbai, India)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Long Span Bridges, Istanbul, Turkey, 26-28 April 2023
Publié dans:
Page(s): 472-479 Nombre total de pages (du PDF): 8
Page(s): 472-479
Nombre total de pages (du PDF): 8
Année: 2023
DOI: 10.2749/istanbul.2023.0472
Abstrait:

Road Network of Himachal Pradesh, a northern state in India requires number of long span bridges across valleys and rivers due to its hilly terrain. One such bridge across river Beas at Hanogi has a total length of 119.2m. Proposed span arrangement at the location of this bridge is 97.2m + 22m. National Highway (NH-3) runs perpendicular to the bridge. The bridge is located in a constrained location with approach road on one side and a hillock with NH-3 at its toe on the other side. It was proposed to build an extradosed bridge of span 97.2m with pylon only on abutment A2 side and back stay cables anchored in hillock formed of rock.

This paper presents design aspects of the extradosed superstructure and cables, Back stay anchors, Abutment A2, staged construction analysis. The construction of the bridge is carried out by cantilever method with form traveller. This paper also covers construction methodology of the superstructure, ground Improvement and stability check at abutment A2 and Hillock where the stays are anchored.

This is one of the unique extradosed bridge where long span on one side is supported by cables on single pylon and back stay cables are anchored to the rock.

Mots-clé:
pont extradossé

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