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| View Original: | Rainhill_Bridge,_from_Bury's_Liverpool_and_Manchester_Railway,_1831_-_artfinder_3408.jpg (1024x817) | |||
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| Keywords: Rainhill Bridge, from Bury's Liverpool and Manchester Railway, 1831 - artfinder 3408.jpg Near Liverpool looking towards Manchester from Bury's Liverpool and Manchester Railway 1831 - artfinder 267573 jpg Taking in Water at Parkside from Bury's Liverpool and Manchester Railway 1831 - artfinder 267572 jpg Artwork Creator Henry Pyall en The w skew bridge constructed at Rainhill to take the 1753 Liverpool and Warrington turnpike road now the A57 road England A57 over the Liverpool and Manchester Railway <br> The road crosses at an angle of 34° to the perpendicular with a span of ft 54 compared to a distance across the track of ft 30 The thrust lines of a conventionally built arch would therefore fall outside the bridge abutments on either side making it unstable The solution is to lay the bricks forming the arch at an angle to the abutments on either side This technique which results in a spiral effect in the arch masonry provides extra strength in the arch to compensate for the angled abutments; but it also meant that each masonry block had to be individually and expensively cut to its own unique shape with no two edges either parallel or perpendicular Experience of building such arches was very limited in 1829 and it is said that a wooden model full-sized according to some accounts was constructed in an adjacent field to guide the masons <br>The bridge which was later widened remains in use cf this contemporary picture adjacent to Rainhill railway station It is recognised as a Grade II listed building listed structure 1831 aquatint object history exhibition history credit line The original watercolour picture by T T Bury is in the page http //media artfinder com/works/r/bal/8/0/4/3408_full_1024x817 jpg PD-old-100 DEFAULTSORT 1831 12 Rainhill skew bridge Bury's Coloured Views on the Liverpool and Manchester Railway 1831 12 Engravings by Henry Pyall Engravings after pictures by Thomas Talbot Bury | ||||
