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词汇 Flying arch
分类 英语词汇 英语翻译词典
释义

Flying arch

英语百科

Flying arch

Two of Brunel's arches at Llansamlet

A flying arch is a form of arch bridge 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.

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