Mumbai-Ahmedabad bullet train: The National High-Speed Rail Corporation Limited (NHSRCL), overseeing the development of the Mumbai-Ahmedabad bullet train hall, has mentioned 100 kilometres of viaducts and 230 kilometres of pier work had been accomplished for the bold project.
The project achieved this milestone of building of a cumulative 100 km of viaducts via the launching of 40 m lengthy ‘full span field girders’ and ‘segmental girders’, the NHSRCL mentioned on Thursday.
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Railway Minister Ashwini Vaishnaw additionally shared a video on social media platform X to offer details about the feat.
‘Viaducts embody bridges over six Gujarat rivers’
According to the NHSRCL, the viaducts embody bridges over six Gujarat rivers, specifically Par and Auranga in Valsad district, in addition to Purna, Mindhola, Ambika and Venganiya in Navsari district.
“The first girder of the project was launched on November 25, 2021, while the first kilometre of the viaduct was ready in six months on June 30, 2022. It achieved the construction of 50 kilometres of the viaduct on April 22, 2023, and, thereafter, in six months 100 kilometres of viaduct were completed,” the NHSRCL mentioned.
“The Full Span Launching technique (FSLM), where 40-metre long box girders are launched by state-of-the-art equipment, is being used along with span-by-span launching of segments. FSLM is 10 times faster than the span-by-span method, which is normally used to build metro viaducts,” it added.
Apart from the viaduct work, 250 kilometres of pier work has additionally been accomplished for the project, whereas set up of noise limitations has begun alongside the constructed viaduct.
“Besides this, the laying of the first reinforced concrete (RC) track bed for the Mumbai Ahmedabad high-speed rail corridor track system as used in the Japanese Shinkansen has also started in Surat,” the NHSRCL mentioned. This is for the primary time, the J-slab ballastless monitor system is being utilized in India.
It mentioned that the breakthrough of the primary mountain tunnel of 350 m has been accomplished within the Valsad district in 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 the part of MAHSR corridor,” it added.
Cost of Mumbai-Ahmedabad High Speed Rail Corridor
The complete price of the Mumbai-Ahmedabad High-Speed Rail Corridor project is pegged at Rs 1.08 lakh crore. As per the shareholding sample, the Union authorities can pay Rs 10,000 crore to the NHSRCL, whereas Gujarat and Maharashtra are to pay Rs 5,000 crore every.
The remainder of the price is by means of a mortgage at 0.1 per cent curiosity from Japan. The basis of the bullet train project was laid in Ahmedabad in September 2017. The train is predicted to cowl a distance of greater than 500 km in round two hours.
(With PTI inputs)
