Chenab Bridge: Ultimate Detailed Guide

The Chenab Bridge is a steel and concrete arch bridge between Bakkal and Kauri in the Reasi district of Jammu and Kashmir, India.

The Chenab Rail Bridge is the tallest rail bridge in the world, spanning the Chenab River at a height of 359 meters (1,178 feet) above the water.

Key Point Regarding Chenab Bridge

• Deck height: 359 m (1,178 ft) above river bed; 322 m over river surface (1,056 ft)
• 1,315 m (4,314 ft) is the length of the bridge, including the 650 m (2,130 ft) viaduct on the northern side.
• Arch span: 467 m (1,532 ft)
• Arch length: 480 m (1,570 ft)

Chenab Rail Bridge Project status

• Dec 2003: Project approved.
• Feb 2008: Contract awarded for construction.
• Jul 2017: Construction work resumed on the bridge.
• Nov 2017: The work bridge's arch was expected to be completed By May 2019.
• Nov 2018: The bridge is now under active construction.
• Dec 2018: The project was expected to be completed by the end of 2019, but at this time, it seems unlikely.
• Aug 2019: 80% of construction work has been completed on the bridge, and is expected to be opened in mid-2020.
• Nov 2019: 83% of work has been completed on the bridge, and is now expected to be opened in March 2021.
• Jan 2020: It is now expected to be opened in December 2021.
• Apr 2021: Work on both ends of the bridge's arch is finally completed. It is now expected to be opened in 2022.
• Jun 2022: About 90% of construction work has been completed, and is now confirmed to make the bridge operational by December 2022.
• Aug 2022: The bridge's remaining work on the final joint was completed, and was inaugurated on 13 August 2022.

Also Read: How to Start Structural Engineering Career?

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Introduction and topography of Chenab Bridge

Between the towns of Udhampur, which is close to Jammu, and Baramulla, which is on the northern border of the Kashmir Valley, Northern Railway has undertaken the mega project of building a new railway line across the Indian union territory of Jammu and Kashmir.

In 2002, this initiative was declared as a national project. The Northern Railway is in charge of its development.

The 657 m (2,156 ft) long and 189 m (620 ft) high Anji Khad Bridge between Katra and Reasi over the Chenab river tributary river was another, smaller, arch bridge proposed for the new railway route.

Due to the unique geology of the area, the railway abandoned this plan, and now a cable-stayed bridge—Indian Railways' first cable-stayed bridge—is being suggested.

Design considerations

Following are some of the design considerations taken into account:

• Limit state philosophy of design has been decided to be followed as per BS codes
• Computation of wind load effects as per wind tunnel tests
• Site specific seismic spectra developed by Indian Institute of Technology (IIT) Roorkee
• Provision of Euro code 8 for ductility detailing of very tall and hollow rectangular RCC piers
• Provision of long welded rail (LWR) over the bridges and resulting force calculation as per UIC – 774-3R guidelines
• Blast resistant design used
• Design checking for fatigue as per BS codes
• Deformation limits as per comfort criteria of UIC – 776-2R and UIC 776 -3R guidelines
• Redundancy provided in the structures, for lower level of operation during mishaps and against collapse in extreme cases of one pier failure

Also Read: How To Be Successful Engineer In Your Civil Engineering Career?

Important Dates

Chenab bridge construction start date	Inaugurated 13 August 2022
Deck height	359 m (1,178 ft)
Arch length	480 m (1,570 ft)
Arch span	467 m (1,532 ft)

What is the cost of Chenab Bridge?

Constructed at a cost of Chenab Bridge is Rs 1,250 crore, the 1.3-km-long bridge is located 359 metres above the Chenab riverbed and it is 30 metres higher than Eiffel Tower in Paris.

Who is Constructing Chenab bridge?

AFCONS Construction Company: It has 17 spans and is being built by the AFCONS Construction Company.

The main steel arch part of the bridge across the Chenab River is 476 metres long and rises 359 metres above the riverbed.

To finish the bridge on schedule, more than 1,300 labourers and 300 engineers have been working around the clock.

Is Chenab bridge construction completed?

Currently under construction, the Chenab Bridge will be 35 metres taller than the Eiffel Tower once completed.

The bridge will show that the Kashmir valley can be reached directly.

The Golden Joint: Deck launching work on Chenab Bridge, the tallest railway arch bridge in the world, has been finished.

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