Английская Википедия:Caledonian Railway Bridge
Шаблон:Use dmy dates Шаблон:Use British English Шаблон:Infobox bridge The Caledonian Railway Bridge is a bridge crossing the River Clyde at Broomielaw in Scotland. It is adjacent to Glasgow Central Station.
First bridge
The first bridge was built between 1876 and 1878 for the Caledonian Railway Company and opened on 1 August 1879. It was engineered by Blyth and Cunningham and built by Sir William Arrol & Co.[1] It consisted of wrought iron lattice girders linked at the top by a light arched lattice girder, and carried on a cast iron arch (visible in the photograph) over twin piers in the river. The piers are formed of cast iron cylinders sunk to bedrock and filled with concrete, and then extended above the river with Dalbeattie granite.[1]
The approach span over Clyde Place to the south was Шаблон:Convert long and over Broomielaw to the north of the river was Шаблон:Convert long.[1] The navigation spans were Шаблон:Convert, Шаблон:Convert and Шаблон:Convert long.[1] The bridge carried four tracks into the new Glasgow Central Station.[2]
In 1966–1967, the girders and tracks were removed, leaving the pillars in the water, after resignalling meant it was no longer needed.[3]
Second bridge
The current, second bridge was built in 1899–1905 during the expansion of Central Station, to a design by D. A. Matheson, chief engineer of the Caledonian Railway. Arrol and Co. was the contractor for this bridge as well.[3]
The foundations for the bridge are rectangular sunk caissons, sunk by the compressed air chamber method used on the Forth Bridge to a depth of up to Шаблон:Convert below the river bed. The central span is Шаблон:Convert long with Linville truss girders Шаблон:Convert deep. The parapet girders are around Шаблон:Convert deep, and suspended on curved brackets. There are a minimum of eight parallel main girders in the width. The spans are of lengths Шаблон:Convert, Шаблон:Convert and Шаблон:Convert, and the structure contains Шаблон:Convert of steel.[3] The total length of the bridge between the abutments is Шаблон:Convert.[4]
The bridge varies in width from Шаблон:Convert and carries up to ten tracks.[3] It leads immediately into Glasgow Central Station on the north bank of the river.[5] At the time of its opening, it was believed to be the widest railway bridge in existence.[4]
References
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- Английская Википедия
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- Bridges in Glasgow
- Bridges across the River Clyde
- Railway bridges in Scotland
- Gorbals
- Bridges completed in 1905
- 1905 establishments in Scotland
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- Страницы с телепортом
- Википедия
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