The Chenab railway bridge, which is 35 metres taller than the Eiffel Tower, has been constructed by Mumbai-based infrastructure major Afcons. (PTI/File)

Construction of bridges is always risky business. But when the bridge is hoisted 359 metres above a treacherous riverbed and is exposed to gale-force winds between rugged mountain valleys, it’s a different ballgame altogether. And when the bridge is meant to be highest such in the world, the slightest slip could be catastrophic.

It is for these reasons that the Chenab railway bridge — which will be the highest single-arch railway bridge in the world — is a unique example in modern engineering. The ‘golden joint’ of the bridge is set to be launched on Saturday. The railway bridge, which is 35 metres taller than the Eiffel Tower, has been constructed by Mumbai-based infrastructure major Afcons and is part of the ambitious Udhampur-Srinagar-Baramulla rail link (USBRL) project carried out by Northern Railways at an estimated cost of Rs 28,000 crore.

Among factors like viability, aesthetics, innovation, technology and geography that invoke awe and fear for the mega project, the most potent one is the risk to human life. Few would dare to imagine venture into, let alone work, at such impossible heights, battling extreme winters, torrential rains and excruciating summers. But Afcons’ engineers have overcome the odds.

While everything about the Chenab Railway Bridge project is extreme and unique in nature, arch erection is critical due to its intricate design and geometry. The erection of the mammoth segments (weighing 34 MT) is done with the help of the world’s tallest cable crane.

Here’s a look at some of the challenges involved in arch-erection that make it an extremely dangerous task:

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Disclaimer: This story is auto-aggregated by a computer program on 2022-08-13 14:32:28 and has not been created or edited by KhabarInshorts. Publisher: News18 Source link

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