flying arch

名词 n.
中文释义

英文释义

名词 n.
  1. A form of arch that does not carry any vertical load, but is provided solely to supply outward horizontal forces, to resist an inwards compression. They are used across cuttings, to avoid them collapsing inwards.
    — Masonry flying arches strutting the retaining walls in Chorley cutting, Manchester-Blackpool line, L.M.S.R.

词形变化

flying arches plural
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