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An abutment is the substructure at the ends of a bridge span or dam supporting its superstructure. [1] Single-span bridges have abutments at each end that provide vertical and lateral support for the span, as well as acting as retaining walls to resist lateral movement of the earthen fill of the bridge approach.
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.
Chesters Bridge was a Roman bridge over the River North Tyne at Chollerford, Northumberland, England, and adjacent to the Roman fort of Cilurnum on Hadrian's Wall. The fort, mentioned in the Notitia Dignitatum , and now identified with the fort found at Chesters, was known as Cilurnum or Cilurvum .
Beam bridges are the simplest structural forms for bridge spans supported by an abutment or pier at each end. [1] No moments are transferred throughout the support, hence their structural type is known as simply supported. The simplest beam bridge could be a log (see log bridge), a wood plank, or a stone slab (see clapper bridge) laid
Bridge Abutments are four pair of historic earthen bridge abutments located in Congaree National Park near Hopkins, Richland County, South Carolina. They were built by settlers (possibly Isaac Huger) in the 1780s in the Congaree Swamp to provide a means of transporting produce and livestock to markets in cities, such as Charleston. They vary in ...
A diagram showing an embankment Disbanded West Somerset Mineral Railway embankment near Gupworthy, UK Cream-colored concrete abutment marks a gap in an embankment and gives vertical support to the dark red trestle bridge, and to the fill of the bridge approach embankment. To reduce the metal cost of the bridge here it is further supported by ...
An abutment is a foundation that transfers the bridge structure to the roadway or walkway on solid ground. A pier is an intermediate support. The cap is the part that supports the bearing pads.
Colorado Street Bridge, an example of a false skew arch. The strength of a regular arch (also known as a "square" or "right" arch) comes from the fact that the mass of the structure and its superincumbent load cause lines of force that are carried by the stones into the ground and the abutments without producing any tendency for the stones to slide with respect to one another.