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一、概况皖赣线,北起宁铜线火龙岗站,南至浙赣线贵溪站,全程551公里。该线于1970年11月开始续修,1981年全线铺通,1984年6月1日正式交付国家运营。南京铁路分局屯溪工务段管辖线路从K161+000～K400+500,共计239.5公里,占全线的43.5％。该段线路地处皖南与赣东北山区,具有桥梁隧道多、高堤深堑多和路基病害多的特点。且地质情况复杂:从K161+000至绩溪(K190+000),主要是石灰岩地层,伴有
First, an overview of the Anhui-Jiangxi line, north of the copper line Huilonggong station, south of Guxiu line Guixi station, the entire 551 km. The line was renewed in November 1970, completed in 1981 and formally delivered to the state on June 1, 1984. Nanjing Railway Branch Tunxi Public Works Section jurisdiction from K161 +000 ~ K400 +500, a total of 239.5 kilometers, accounting for 43.5% of the entire line. The line is located in the mountains of southern Anhui and northeastern Jiangxi, with many tunnels, high dikes and more high embankment disease characteristics. And the geological conditions are complex: from K161 + 000 to Jixi (K190 + 000), mainly limestone formations, with