World’s Highest Arch Rail Bridge on Chenab River

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World’s Highest Arch Rail Bridge on Chenab River

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Recently, Indian Railways successfully carried out a trial run of an eight-coach Mainline Electric Multiple Unit (MEMU) train on the Chenab Bridge in Jammu and Kashmir, the world’s highest railway bridge.

 

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  •  A trial run was conducted on a 46-km-long electrified line section between Sangaldan in Ramban district and Reasi at a speed of 40 kmph.
    • covering 46 km on the Udhampur-Srinagar-Baramulla Rail Link (USBRL)
  • This initiated rail services on the route from Reasi to Baramulla in Kashmir.
  • It was the first ever full train that crossed over the iconic bridge between Dugga and Bakkal stations across the Chenab river.
  • “The electrification work on this section has been executed with state-of-the-art technology, ROCS (Rigid Overhead Conductor System) at 25 kV, for the first time on railways.

 

About Chenab Arch Bridge:

  • The bridge stands at 359 metres above the riverbed, 35 metres taller than the Eiffel Tower.
  • Bridge Length: The bridge spans 1.3 kilometres and is part of the 111 km Katra-Banihal route of the USBRL project
  • The Chenab bridge project, undertaken by Konkan Railway Corporation Limited.
    • Also involved were IITs, DRDO, and the Geological Survey of India.
  • Structural Facts: The bridge comprises 17 spans, with the main arch spanning 467 metres. It includes 93 deck segments.
  • Design Specifications: The Chenab bridge is designed to withstand wind speeds up to 266 km/h and severe earthquakes.
    •  It is built to be blast-proof and supports train speeds up to 100 km/h. The bridge has an expected lifespan of 120 years.
    • Project Cost: The estimated cost of the project is Rs 1486 crore.

World's Highest Arch Rail Bridge on Chenab River

Key Information about the Chenab River and its Basin:

  • The Chenab River originates from the Lahaul valley in Himachal Pradesh.
  • Formed by the confluence of two streams, the Chandra and the Bhaga, at Tandi in the Lahaul and Spiti valley.
    • Total length of approximately 605 miles (974 km).
  • Flows west through Jammu and Kashmir union territory, situated in the disputed Kashmir region.
    • Passes between the steep cliffs of the Siwalik Range (south) and the Lesser Himalayas (north).
    • Turns southwest as it continues into Pakistan.
    • Descends from uplands into the broad alluvial lowlands of Punjab province.
    • Merges with the Jhelum River near Trimmu in Pakistan.
    • Eventually empties into the Sutlej River, a tributary of the Indus River.
  • Tributaries of the Chenab River:
    • Up to Kishtwar: Thirot, Sohal, Bhut Nallah, Liddrari, Marusudar (largest tributary, joins at Bhandalkot)
    • Between Kishtwar and Akhnoor: Kalnai, Neeru, Raghi, Bichleri, Tawi and Manawar Tawi (join in Pakistan)

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