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Arch Bridges
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. A viaduct (a long bridge) may be made from a series of arches, although other more economical structures are typically used today. History Possibly the oldest existing arch bridge is the Mycenaean Arkadiko Bridge in Greece from about 1300 BC. The stone corbel arch bridge is still used by the local populace. The well-preserved Hellenistic Eleutherna Bridge has a triangular corbel arch. The 4th century BC Rhodes Footbridge rests on an early voussoir arch. Although true arches were already known by the Etruscans and ancient Greeks, the Romans were – as with the vault and the dome – the first to fully realize the potential of arches for bridge construction. A list of Roman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megane Bridge
or Spectacles Bridge, over the :ja:中島川, Nakashima River (中島川) was built in Nagasaki in 1634 by the Chinese people, Chinese monk Mokusunyoujo who was in the second generation of Chinese monks living at Kōfuku-ji (Nagasaki), Kofukuji Temple. It is said to be the oldest stone arch bridge in Japan along with Edo's Nihonbashi bridge and Iwakuni's Kintai Bridge, Kintaikyou bridge and has been designated as an Important Cultural Properties of Japan, Important Cultural Property. Megane Bridge is also part of the first group of bridges built over Nakashima river. Megane Bridge is made of stone and is a double arch bridge. It received the nickname "Spectacles Bridge" because its two arches and their reflection in the water create the image of a pair of spectacles. Vehicles are prohibited from crossing the bridge and is strictly prohibited to pedestrians only. On July 23, 1982, a 1982 Nagasaki flood, disastrous deluge washed away six of the ten stone bridges over the Nakashima ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
