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Mumbai-Ahmedabad Bullet Train: NHSRCL Completes Second Major Bridge Over NH-48 In Gujarat

The bridge is located between the Billimora and Surat Bullet Train stations.

by Nikitha Sebastian
Mumbai-Ahmedabad Bullet Train: NHSRCL Completes Second Major Bridge Over NH-48 In Gujarat

The second bridge for the Mumbai-Ahmedabad Bullet Train corridor has been completed. The National High Speed Rail Corporation Limited (NHSRCL) announced on Thursday that they had finished building a 210-metre prestressed concrete (PSC) bridge over National Highway 48 (NH-48) at Sisodra village in Navsari district, Gujarat. This bridge is part of the bullet train’s elevated route between Mumbai and Ahmedabad.

Second Major Bridge Of Mumbai-Ahmedabad Bullet Train

This new bridge is the second PSC balanced cantilever bridge built on the highway using the span-by-span (SBS) method. The first one was completed earlier in August at Amadpore village, also in Navsari. The latest bridge has 72 precast segments, spanning four sections. It includes two spans of 40 metres and two of 65 metres, designed to pass over traffic lanes on each side of the highway.

The Mumbai-Ahmedabad Bullet Train corridor will improve high-speed rail connectivity between Maharashtra and Gujarat. The bridge is located between the Billimora and Surat Bullet Train stations, helping maintain continuous connection along the elevated viaduct. The construction team completed this significant project on October 1, 2024.

Also Read: India’s First Bullet Train, Shinkansen E5 Bullet Train To Come From Japan For Mumbai-Ahmedabad Corridor

Balanced Cantilever Method

NH-48 is one of the busiest highways in India. Constructing a bridge over it required careful planning and precise execution. The high traffic flow posed a unique challenge, which the construction team managed well to ensure the safety of both workers and commuters. Despite these challenges, the bridge was completed with accuracy and within schedule.

The NHSRCL said that the Balanced Cantilever method was chosen for this bridge due to its efficiency in handling long spans without needing temporary supports on the highway below. This technique allowed construction to proceed without major disruptions to the traffic on NH-48. By using the SBS method, the segments were placed one by one, allowing the balanced cantilever arms to grow on both sides simultaneously until they met in the middle. This meticulous process ensured that the bridge was built with the required stability and precision.

The completion of the Sisodra bridge is an important milestone for the Mumbai-Ahmedabad Bullet Train project. The 508-kilometre corridor aims to significantly reduce travel time between the two cities, providing a faster alternative to road and conventional rail. The project is a symbol of progress, with the promise of bringing high-speed rail technology to India.

Also Read: Mumbai-Ahmedabad Bullet Train Project: Authorities Complete 700m Of Heading Of Tunnel Excavation

The new bridge in Navsari adds to the overall progress of the corridor, which includes several other viaducts, tunnels, and bridges that will carry the bullet train at speeds of up to 320 km/h. Once completed, the corridor will be India’s first high-speed rail line, representing a leap forward in both technology and infrastructure.

Cover Image Courtesy: @priyapandey1999 /X (Formerly, Twitter)

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First Published: October 04, 2024 12:32 PM