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来自维基百科,自由的百科全书
堤梁式桥又名步桥,为桥梁发展史上的一种早期形式,原始社会即已出现。此类桥梁多用于水浅、洪水季节较短和交通量不大的溪涧小河,在水中培土或垒石成堤[注 1]、步涉而行,为防止堵水,可在堤下留以过水洞,或筑成断续土(石)堤,后者逐渐发展为以毗连相间的石磴为主要形式的矴步桥[注 2],现状在一些偏僻山区仍然使用[1]。
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