NHSRCL completes 100 km of viaducts and 250 km of pier work for Mumbai-Ahmedabad High Speed Rail Corridor

National High Speed Rail Corporation Limited (NHSRCL) has completed 100 km of viaducts and 250 km of pier work for Mumbai-Ahmedabad High Speed Rail (MAHSR) Corridor project.

More Details:

  • National High Speed Rail Corporation Limited has achieved this milestone of construction of cumulative 100 km of viaducts through launching of 40 m long Full Span Box girders and Segmental Girders.
  • Full Span Launching technique (FSLM), where 40 metres long box girders are launched through state-of-the-art launching equipment, are being used along with Span by Span launching of segments.

  • FSLM is 10 times faster than the launching through Span by Span method, which is normally used for constructing metro viaducts, and 250 km of pier work is also completed for the project.
  • The viaducts include bridges over Six (6) rivers: Par (Valsad district), Purna (Navsari district), Mindhola (Navsari district), Ambika (Navsari district), Auranga (Valsad district) and Venganiya (Navsari distt), all in Gujarat.

  • The installation of noise barriers has already started on the constructed viaduct. The laying of first Reinforced Concrete (RC) track bed for the MAHSR corridor track system as used in Japanese Shinkansen has also started in Surat. This is for the first time, the J-slab ballastless track system is being used in India.
  • Breakthrough of the first mountain tunnel of 350 m has been completed in Valsad district, Gujarat, First steel bridge of 70 metres length has been erected in Surat district, Gujarat. This is the first of the 28 steel bridges which will be a part of the MAHSR corridor.

Girder/Viaduct and its Completion Timeline:

Girder/ViaductDateTimeline/completion time
Launching of First Girder25th November 2021
Completion of First km of viaduct30th June 20226 Months
Completion of 50 km of viaduct22nd April 202310 Months
Completion of 100 km of viaduct 6 Months

Source: NHSRCL- Press Release | Images Credit: NHSRCL

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