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一、概述拱桥是一种古老的桥型,它的产生与应用,在人类征服自然,迈向文明进程中起到了极其重要的作用。在中国,早在公元前282年就有了石拱桥的记录,其中最具代表性的当属公元606年建成的河北赵县安济桥,即赵州桥,是现今世界范围内尚存跨径最大的古代石拱桥。钢管混凝土利用钢管
First, an overview Arch bridge is an ancient bridge, its production and application of human conquest of nature, into the process of civilization has played an extremely important role. In China, there were records of stone arches dating back to 282 BC. The most representative one was the bridge built in 606 in Zhao County, Zhao Bridge, The largest ancient stone arch bridge. Steel pipe concrete use of steel pipe