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双曲拱桥这种结构形式,六十、七十年代在我国得到广泛的应用。据不完全统计,目前我国有双曲拱桥4000座,总延长30万米。此外,还有为数更多的双曲拱引水渡槽。在水利、交通部门的启示和推动下,六十年代末,七十年代初,我国在韶山、湘东、湘黔、漳福等铁路线,也先后修建铁路双曲拱桥数十座。其中在我局管内的就有19座计35孔(包括专用线)
Double-arch bridge this structure, the sixties and seventies in our country has been widely used. According to incomplete statistics, there are currently 4,000 double-curved arch bridges in our country, with a total extension of 300,000 meters. In addition, there are more double curved arch aqueduct. With the enlightenment and promotion of water conservancy and transportation departments, in the late 1960s and early 1970s, our country also successively built dozens of railway double-curved arch bridges in Shaoshan, Xiangdong, Xiangqian and Zhangfu railway lines. Among them, there are 19 seats in our bureau, 35 holes (including dedicated lines)