India is Making History in Engineering with World's Tallest Arch Bridge

The Chenab Bridge is an arch bridge under construction in Reasi district of Jammu and Kashmir, which spans the Chenab River between Bakkal and Kauri,







 . When completed, the bridge will be 1,315 m (4,314 ft) long, with a 480 m (1,570 ft) trussed arch span, 359 m (1,178 ft) above the river Chenab and a 650 m (2,130 ft) long viaduct on the Kauri side.


The Chenab Bridge will be the highest arch bridge in the world, and longest span for a BG rail line with arch span of 480 m (1,570 ft).



Following are some of the special features of structural design for the bridges:


1)Limit state philosophy of design has been decided to be followed as per BS codes.

2)Computation of wind load effects as per Wind tunnel tests

3)Site specific seismic spectra developed by Indian Institute of Technology (IIT) Roorkee.

4)Provision of Euro code 8 for ductility detailing of very tall and hollow rectangular RCC piers.

5)Blast resistant design has been used.


9)Redundancy provided in the structures, for lower level of operation during mishaps and              against collapse   in extreme cases of one pier failure.

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