“Explore Engineering” Weekend organized by Menai Heritage & ICE Wales Cymru, access to the service road on the Britannia bridge and the Abutment of the Britannia bridge June 2018 (see album)

            Built on shore in 11 pieces, then constructed at their present location weighing 80 tons

Where the Britannia Bridge meets the Anglesey shoreline from the outside, this abutment structure looks like solid masonry but actually it’s hollow. There is a  door which faces the Menai Strait which allows  maintenance workers to get inside. The pillars support arches, a pair of barrel vaults forms the roof, on which lies the railway track bed.
The structure resembles the inside of a cathedral, hence it’s known as the cathedral abutment (original drawings refer to it as the “wing wall”). The bridge’s three stone piers are made of a similar cellular structure.
The cathedral abutment enables the bridge’s spans to be symmetrical. A long span to carry the railway from the Anglesey pier to the higher ground would not have been replicated on the Gwynedd side, where the land slopes more steeply. The original tubular spans were innovative, and provision was made for symmetrical chains to be installed for extra strength if needed (hence the piers extend far above the railway).
The position of the central pier was dictated by its base, the Britannia Rock in the Strait. The distance from that pier to the Gwynedd abutment is mirrored by the distance from the pier to the cathedral abutment.
Building the piers and abutments in this exposed location was a large and dangerous task. Two men died after falling from the scaffolding – one was blown off by the wind in 1847 and 1848. 


   

Taken on: June 24, 2018

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Sets appears in: • Britannia bridge pillars and railway service road June 2018

Groups appears in: • UK Flickr users • Wales more » • Gwynedd • Flickritis: over 87,000 waiting for a vaccine. • Wales Photography. • Wales and the Welsh • North Wales, UK • Y RHEILFFORDD (Postio 1=Sylw ar 1 / Post 1=Comment 1) • The British Countryside • cymru flickr wales • North Wales • A Picture of Britain • Flickr Over 50 • I bring my camera everywhere (no 30/60 limit) • Network Rail • bmbcc • Cymru Ni - Our Wales • *Welsh Photographers* • BBC Britain in Pictures • Bridges, Bridges, and MORE BRIDGES • Photos of Wales(Cymru) • British and Irish Bridges, Ferries, Tunnels, Piers, Fords, etc. • Train and Railway/Railroad Lovers - photos and videos.. (No 30/ • Pontydd Afonydd Cymru / River Bridges of Wales • AN IMAGE FROM KHUMRI WALES (No Limit 30/60 Group) • ANCIENT RELICS • Taken in Wales • This is Wales - photos and videos welcome. [No 30/60 limit.] « less

Camera: Canon EOS 5D Mark III, ISO 100 (more info) (hide info)

Camera:	Canon EOS 5D Mark III
ISO:	100
Flash:	Off, Did not fire
Exposure Program:	Program AE
Metering Mode:	Multi-segment
Color Space:	sRGB
Software:	Windows Photo Editor 10.0.10011.16384
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