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Arch Bridge
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拱橋 (Arch bridge)
桥梁类型

简介

拱橋是指以拱作為主要承重結構的橋樑。 在最早出現的拱橋是石拱橋,藉著類似梯形石頭的小單位,將橋本身的重量和加諸其上的載重,水平傳遞到兩端的橋墩。各個小單位互相推擠時,同時也增加了橋體本身的強度。近現代的拱橋則更多的使用混凝土或鋼材建造。 维基百科

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