Translation and analysis of words by ChatGPT artificial intelligence
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What (who) is parched abutment - definition
![rail bridge]] and earthen fill of the bridge approach embankment at Old Town Station Staten Island Railway - Staten Island, New York](https://commons.wikimedia.org/wiki/Special:FilePath/Old Town Road SIRT SB stair jeh.jpg?width=200 "rail bridge]] and earthen fill of the bridge approach embankment at Old Town Station Staten Island Railway - Staten Island, New York")
![Brick abutment supporting disused tramway over the [[Yass River]] in [[Yass, New South Wales]]](https://commons.wikimedia.org/wiki/Special:FilePath/Railway bridge abutment riverbank park yass.JPG?width=200 "Brick abutment supporting disused tramway over the [[Yass River]] in [[Yass, New South Wales]]")
Wikipedia
An abutment is the substructure at the ends of a bridge span or dam supporting its superstructure. Single-span bridges have abutments at each end which 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. Multi-span bridges require piers to support ends of spans unsupported by abutments. Dam abutments are generally the sides of a valley or gorge, but may be artificial in order to support arch dams such as Kurobe Dam in Japan.
The civil engineering term may also refer to the structure supporting one side of an arch, or masonry used to resist the lateral forces of a vault. The impost or abacus of a column in classical architecture may also serve as an abutment to an arch.
The word derives from the verb "abut", meaning to "touch by means of a mutual border".
