wing wall
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English
Noun
wing wall (plural wing walls)
- (construction) In a bridge, a retaining wall on either side of an abutment.
- 2023 May 3, Philip Haigh, “The art and science of building bridges”, in RAIL, number 982, page 40:
- Such an abutment would typically have wing walls that have sloping tops, to match the profile of the embankment. The wing walls are usually angled back from the abutment wall.
- With a tunnel, a retaining wall on either side of the portal.
- 1953 December, “Notes and News: Ampthill Tunnels, L.M.R.”, in Railway Magazine, page 854:
- The later tunnel has a portal of blue engineering bricks, and the curved wing walls are wider than those of the old tunnel, which has a rather cramped appearance.