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The viaduct's design is complex because it is being constructed on a sloping riverbank, most of which is submerged when the river runs high.
The main defects observed in prestressed concrete viaducts are the following: leakage in expansion joints over mobile and fixed hinges, a rough, rolling and deteriorated pavement of a carriageway, leakage in expansion joints of footpaths, the lack of or inadequate viaduct drainage system, inadequate (leaky) waterproofing on the top of deck beams, inadequate erection of segment joints resulting in leakage (Fig.
"The 85-metre (280ft), 3,500-tonne bridge will be taken down piece by piece due to the close proximity of the new bridge to the south of the original, and also to ensure that we don't damage the M1 carriageway which runs directly below the viaduct."
"The improvements we are making will allow the viaduct to operate at its full capacity, allowing vehicles over 3.5 tonnes back onto all parts of the viaduct.
The viaduct is incredibly slender, the design an elegant combination of a brilliant engineering concept by Michel Virlogeux (the engineer who designed the amazing Pont de Normandie across the Seine at Le Havre) and inspired design by Foster and Partners, aided by a number of European engineering groups.
If the road surface of the Millau Viaduct was its highest point, how tall would the Millau Viaduct be?
The viaduct carried trains for 120 years between 1852 and 1972, when the line was closed.
A spokesman said: "Just before 2.30pm yesterday, Sunday 6th May, police were contacted by passing motorists regarding concerns for a man seen on the A19 southbound at Leven Viaduct.
He told a town hall committee meeting: "Stockport Viaduct is an iconic structure that we all see.
The man may not live locally as the viaduct is know to be a popular spot for cyclists, as it is situated on the coast to coast cycle path.
A fire that ravaged a community of informal settlers in Muntinlupa Wednesday morning caused a tower of the National Power Corporation (NPC) to lean towards the Alabang flyover and forced the temporary closing to traffic of the viaduct.
MONTHS of work to renovate a railway viaduct which carries a popular tourist line will get under way next year, Network Rail has confirmed.