Yamuna Cable Stayed Bridge, India

Synopsis:
Erection engineering design check and construction advice; alternative design of the cable stayed deck and design of the deck and pylon at each stage of the construction; calculation of the camber and cable force adjustments
Contractor:
Hyundai Engineering and Construction Co Ltd
End Client:
Republic of India, represented by the Ministry of Surface Transport

This 630m long cable stayed bridge is part of a major river crossing at Allahabad in India and carries a dual carriageway highway over the Yamuna River.

With a main span of 260m, the post-tensioned concrete deck consists of 1.4m deep longitudinal edge beams, concrete cross beams at 5m centres and a concrete deck slab, all supported by lock-coil stays. The 90m high ‘H’ shaped concrete pylons are founded on caissons, sunk up to 40m in the river.

A full analysis was carried out of the cable-stayed structure to check the design of the deck, pylons and stays at each stage of construction. Tony Gee developed an alternative deck design that saved time on the construction programme was developed as part of the process. Detailed geometry control information was provided to the Contractor during the stage-by-stage construction of the bridge, including calculation of the camber and cable force adjustments.

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Yamuna Cable Stayed Bridge