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一、大秦铁路简介 大同～秦皇岛铁路是目前我国正在建设中的新线铁路重点工程,也是我国第一条一次建成复线电气化、重载单元列车、运煤专用铁路。线路西从北同蒲线的大同附近的韩家岭车站出岔,向东沿大同盆地东南部行进,在阳原、宣化附近进入燕山山脉,沿桑干河左右岸行进,在涿鹿东南部跨越永定河,尔后沿燕山山脉东南麓的山前倾斜平原到达北京市延庆县,继续向东跨越军都山,到达茶坞后折向东南,跨潮白河与京秦铁路的段家岭车站联接,然后又折向东北,沿蓟县境内的于桥水库南岸行进,经遵化、迁西,跨越滦河,继续向东经迁安、卢龙、抚宁,到达京沈线上的秦皇岛车站,全长644公里。沿线经过山西、河北、北京、天津四个省(市)18个县市。见大秦铁路沿线平面示意图。
I. INTRODUCTION OF DAQIN RAILWAY The Datong-Qinhuangdao Railway is currently the key construction project of the new railway under construction in China. It is also the first railway in our country to be built with the electrification of double-track electrification, heavy-load unit trains and coal transportation. The line goes from Hanjialing Station on the Datong Road in the north toward the east and goes eastward along the southeastern part of the Datong Basin. It enters the Yanshan Mountain Range near Yangyuan and Xuanhua and travels along the left and right banks of the Sanggan River. River, and then along the southeastern foot of the Yanshan Mountains foreland plains reached Yanqing County in Beijing, eastward across the military Hill, arrived at the tea and then folded to the southeast, across Chaobai and Beijing-Qinhuangdao Duanjialing station connection, and then It also turns to the northeast and runs along the south bank of Yuqiao Reservoir in Jixian County. After passing through Zunhua, Qianxi and Luanhe, it will continue eastward to Qian’an, Lulong and Funing, arriving at Qinhuangdao Station on the Beijing-Shenyang Line, with a total length of 644 Km. Along the route through Shanxi, Hebei, Beijing, Tianjin, four provinces (cities) 18 counties. See Daqin Railway along the plane schematic.