| 词条 | Chappel Viaduct |
| 释义 |
|bridge_name = Chappel Viaduct |image = Chappel Viaduct and Green.jpg |caption = The viaduct in 2006 |official_name = |carries = Gainsborough Line |crosses = River Colne |location = Essex, England |maint = Network Rail |id = |designer = |design = Viaduct |material = Brick |spans = |pierswater = |mainspan = |length = {{convert|1060|ft|m}} |height = {{convert|75|ft|m}} |load = |clearance = |below = |traffic = |begin = 1847 |complete = {{Start date and age|1849|df=yes}} |open = |heritage = Listed structure |collapsed = |preceded = |followed = |closed = |toll = | map_type = United Kingdom Essex | map_relief = yes | map_alt = | map_caption = Location in Essex |coordinates = {{coord|51.9209|0.7557|region:GB-ESS|display=inline,title}} | os_grid_reference = TL896283 |width = }} The Chappel Viaduct is a railway viaduct that crosses the River Colne in the Colne Valley in Essex, England. It carries the Gainsborough Line which now is a short branch linking {{rws|Marks Tey}} in Essex to {{rws|Sudbury}} in Suffolk. The line previously, however, extended to Shelford in Cambridgeshire. It was completed in 1849 by a company which was later absorbed into the Great Eastern Railway. It is the longest bridge in the East Anglia region at {{convert|1060|ft|m}}, and one of the largest brick-built structures in the country. It was listed at Grade II in 1967. DescriptionThe viaduct consists of 32 semi-circular spans, each of {{convert|30|ft|m}} span with tapered piers; it is {{convert|1060|ft|m}} long and rises to a maximum height of {{convert|75|ft|m}}. The piers consist of two shafts, separated by a {{convert|6|ft|m|0}} opening, and joined at the top and bottom by arches; each shaft contains a hollow void up to {{convert|4|ft|m}} by {{convert|3|ft|m|0}}, partially filled with concrete to the level of the bottom arch. The running level of the viaduct has a gradient of 1 in 120.[1] ConstructionThe seven million bricks used in the construction of the viaduct were made from clay excavated from the nearby village of Bures. It was built to carry a double-track railway but only a single track was laid. The bridge was built by Peter Bruff between 1847 and 1849 for the Colchester, Stour Valley, Sudbury & Halstead Railway, later part of the Great Eastern Railway.[1][3][1] The railway initially planned to build the viaduct with laminated timber but Bruff opted for brick to reduce the cost.[2] He debated the cost benefits of brick compared to timber with the Great Western Railway's chief engineer Isambard Kingdom Brunel after a lecture at the Institution of Civil Engineers in 1850, Brunel being strongly in favour of using timber. Bruff went on to commission a painting of the viaduct by Frederick Brett Russell, which is now held by Ipswich Museum.[6] Sources differ on the cost of construction; E. A. Labrum gives the cost as £21,000, while Historic England state a figure of £32,000 (both 1849).[1][3] A foundation stone in pier 21 was laid by the railway company's chairman and deputy chairman at the start of works in September 1847 and newly minted coins were placed inside as a souvenir. The stone and coins disappeared within a few hours of being placed and a bricklayer was later arrested, having tried to pay at a bar with a new half sovereign,[4] but was not convicted of the theft due to lack of evidence.[3] ListingThe viaduct was designated a Grade II listed structure on 27 November 1967.[5][6] It is the longest bridge in East Anglia[3][7] and, was reported to have been built out of 7 million bricks and therefore the second-largest brick-built structure in England, after Battersea Power Station in London.[2], though Stockport viaduct used 11 million bricks. See also
References1. ^{{Cite journal | last1 = Bruff | first1 = P. | title = Description of the Chapple Viaduct, Upon the Colchester and Stour Valley Extension, of the Eastern Counties Railway | doi = 10.1680/imotp.1850.24162 | journal = Minutes of the Proceedings | volume = 9 | issue = 1850 | pages = 287 | year = 1850 | pmid = | pmc = | url = https://books.google.com/books?id=U3UMAAAAYAAJ&pg=PA287#v=onepage&q&f=false }} 2. ^1 {{cite web|url=http://www.bbc.co.uk/england/sevenwonders/east/chappell_mm/index.shtml|title=Chappel Viaduct|date=28 October 2014|publisher=BBC|accessdate=21 February 2016}} 3. ^1 2 {{cite book|last=Labrum|first=E.A.|title=Civil Engineering Heritage: Eastern and central England|year=1994|publisher=Thomas Telford Publishing|location=London|isbn=9780727719706|pages=162|chapter=South Suffolk and Essex}} 4. ^{{cite book|last=Biddle|first=Gordon|title=Britain's Historic Railway Buildings: An Oxford Gazetteer of Structures and Sites|edition=First|publisher=Oxford University Press|location=Oxford|isbn=9780198662471|year=2003|pages=199}} 5. ^1 2 3 {{National Heritage List for England |num=1238766 |desc=The Viaduct|accessdate=21 February 2016}} 6. ^1 2 {{cite book|last=Biddle|first=Gordon|title=Britain's Historic Railway Buildings: A Gazetteer of Structures|edition=Second|publisher=Ian Allan Publishing|location=Hersham, Surrey|isbn=9780711034914|pages=236}} 7. ^{{cite web|url=http://www.engineering-timelines.com/scripts/engineeringItem.asp?id=52|title=Chappel Viaduct|publisher=Engineering Timelines|accessdate=3 March 2016}} External links{{Commons category inline}} 6 : Bridges completed in 1849|Railway viaducts in England|Buildings and structures in Essex|Grade II listed buildings in Essex|Great Eastern Railway|Grade II listed bridges |
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