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Design and Construction of Mersey Gateway Bridge, U.K
The Mersey Gateway Bridge was procured under a design, build, finance, and operate contract, one of the largest of its type in the U.K. Key aspects of the design and construction are described. The crossing is 2.25 km long and includes a 1 km long three-tower cable stayed bridge across the River Mersey estuary, together with approach viaducts to the north and south. Main spans are 294 m and 318 m, with approach viaduct spans at around 70 m each. The deck features a single central plane of cables and a continuous single cell concrete box girder 4.6 m deep with transverse post-tensioned ribs at around 6 m centers. Construction of the cable stayed bridge was based on the balanced cantilever principle and the approach viaducts were built using full span in situ casting on a self-propelled movable scaffold system (MSS).
Design and Construction of Mersey Gateway Bridge, U.K
The Mersey Gateway Bridge was procured under a design, build, finance, and operate contract, one of the largest of its type in the U.K. Key aspects of the design and construction are described. The crossing is 2.25 km long and includes a 1 km long three-tower cable stayed bridge across the River Mersey estuary, together with approach viaducts to the north and south. Main spans are 294 m and 318 m, with approach viaduct spans at around 70 m each. The deck features a single central plane of cables and a continuous single cell concrete box girder 4.6 m deep with transverse post-tensioned ribs at around 6 m centers. Construction of the cable stayed bridge was based on the balanced cantilever principle and the approach viaducts were built using full span in situ casting on a self-propelled movable scaffold system (MSS).
Design and Construction of Mersey Gateway Bridge, U.K
Sanders, Paul (author) / Brennan, Gerard (author) / Wood, Hugo (author) / Banks, John (author) / Martin, Jose Romo (author)
Structures Congress 2019 ; 2019 ; Orlando, Florida
Structures Congress 2019 ; 186-197
2019-04-22
Conference paper
Electronic Resource
English
Design and Construction of Mersey Gateway Bridge, U.K
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