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干砌片石拱涵建造于公路上,是史无前例的。广西僮族自治区交通厅第一工程队于1956年冬即已开始设法建造此一类型涵洞,当时以勇气不足,思想还有保守,延至1958年3月,双反运动开始,第一个建成于长古公路21公里附近,该涵原设计为一个埋桩或木涵,后来附近路基开出一些可以利用的片石,如果将它建一个石台木面明涵,因为路堤填土有5公尺多高,石料不够供应,做个石台木面暗涵吧,将来翻修时,必须开挖大量
Dry masonry stone arch culvert built on the highway, is unprecedented. The First Engineering Team of the Communications Department of Guangxi Tongzu Autonomous Region started to try to construct this type of culvert in the winter of 1956. At that time, with the courage and lack of courage, the thought was still conservative. Until March 1958, the anti-double movement started and the first one was completed 21 km long road near the ancient, the culvert was originally designed as a buried pile or wooden culvert, and later out of some of the available roadbed near the slab, if it is to build a Shitai wood surface Ming Han, embankment filled with 5 meters How tall, not enough supply of stone, stone board to be a dark culvert it, the future renovation, you must dig a large number