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Planning of Rail Bridges on Katra Quazigund Railway line in Jammu & Kashmir

 Planning of Rail Bridges on Katra Quazigund Railway line in Jammu & Kashmir
Author(s):
Presented at IABSE Symposium: Improving Infrastructure Worldwide, Weimar, Germany, 19-21 September 2007, published in , pp. 510-511
DOI: 10.2749/weimar.2007.0575
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Katra to Quazigund portion of 287 km long Udhampur-Srinagar-Baramulla rail New Rail Link Project (USBRL) in State of Jammu & Kashmir, India, covering 142 km stretch is located in rugged Himalayan M...
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Bibliographic Details

Author(s):
Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Improving Infrastructure Worldwide, Weimar, Germany, 19-21 September 2007
Published in:
Page(s): 510-511 Total no. of pages: 10
Page(s): 510-511
Total no. of pages: 10
Year: 2007
DOI: 10.2749/weimar.2007.0575
Abstract:

Katra to Quazigund portion of 287 km long Udhampur-Srinagar-Baramulla rail New Rail Link Project (USBRL) in State of Jammu & Kashmir, India, covering 142 km stretch is located in rugged Himalayan Mountains. The alignment traverses geologically young Himalayas through active land slide zones and tectonically complicated geological conditions due to presence of Main Boundary Thrust. Main Boundary Thrust has been responsible for an earthquake of magnitude 7.6 on Richter scale in Oct 2005, with epicenter about 150 km away from site resulting in loss of more than 75000 lives. Owing to poor geological formations and difficult terrain, more than 73% of alignment passes through tunnels and further 10% portion of alignment on bridges or viaducts.

Planning & Design of bridges for rail alignment crossing deep valleys with steep unstable slopes is a daunting task. The curved rail alignment alongwith unstable, young geological formations, coupled with severe seismicity of area pose unique challenges while deciding upon the bridge configurations. The paper highlights various considerations in choosing bridge structural alternatives/configurations and materials for crossing such a difficult terrain.

Keywords:
superstructure substructure rail composite deck type superstructure through girder bllastless track