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An arch bridge is a bridge with abutments at each end shaped as a curved arch.Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side, and partially into a vertical load on the arch supports.
The Ponte Vecchio (Italian pronunciation: [ˈponte ˈvɛkkjo]; [1] "Old Bridge") [2] is a medieval stone closed-spandrel segmental arch bridge over the Arno, in Florence, Italy.The only bridge in Florence spared from destruction during World War II, it is noted for the shops built along it; building shops on such bridges was once a common practice.
Macneill's Egyptian Arch Macneill's Egyptian Arch, from the West side. Macneill's Egyptian Arch is a railway bridge in Newry, Northern Ireland.Construction was completed in 1851 for the Dublin and Belfast Junction Railway Company and was the result of collaboration between engineer Sir John Macneill and constructor William Dargan.
An example is the Fremont Bridge in Portland, Oregon which is the second-longest tied-arch bridge in the world and also classifies as a through arch bridge. The Chaotianmen Bridge in Chongqing is a tied-arch, through arch and a truss arch bridge. Contrarily, the Hart Bridge uses a cantilevered trussed arch, it is self-anchored, but its arch is ...
The construction of the bridge is a marvel of 19th century engineering, consisting of a 6 metres (20 ft) high single span steel arch. The design, by the architects Joseph Cassien-Bernard [ fr ] and Gaston Cousin , was constrained by the need to keep the bridge from obscuring the view of the Champs-Élysées or the Invalides .
The through arch bridge usually consists of two ribs, [5] although there are examples like the Hulme Arch Bridge of through arches with a single rib. When the two arches are built in parallel planes, the structure is a parallel rib arch bridge. When the two arch ribs lean together and shorten the distance between the arches near the top, the ...
The Arkadiko Bridge is one of four known Mycenaean corbel arch bridges near Arkadiko in Argolis. They are all of similar design and age and belong to the same Bronze Age highway between the two cities of Tiryns to Epidauros. One of them is the Petrogephyri bridge, which crosses the same stream 1 km (0.62 mi) to the west of the Arkadiko bridge. [4]
A natural arch, natural bridge, or (less commonly) rock arch is a natural landform where an arch has formed with an opening underneath. Natural arches commonly form where inland cliffs , coastal cliffs , fins or stacks are subject to erosion from the sea, rivers or weathering ( subaerial processes).