General situation of Lanzhou-Hefei railway project

Lanzhou-Hezuo Railway is located in Gansu Province, passing through Lanzhou City, Linxia Hui Autonomous Prefecture and Gannan Tibetan Autonomous Prefecture, and is located in the transitional zone between the Loess Plateau and the Qinghai-Tibet Plateau in southern Gansu Province. Most of the ethnic minorities along the way are Tibetan and Hui. Since ancient times, it has been the traffic artery of Sino-Tibetan cultural exchange, and its geographical location is very important. The line runs north-south, leading from the west side of the southern end of Bapanxia Station of Lanqing Railway, going up along the Yellow River and passing through Yanguoxia Town to Yongjing County. The two spans of the Yellow River pass through the Liujiaxia reservoir area through Kauler, and then turn into the Daxia River wide valley in dongxiang county River Beach Township; Southbound along the river valley, passing through Linxia City to Tumen Pass, entering the Daxiahe Gorge area of Gannan Tibetan Autonomous Prefecture, and going up the river through Xiahe to Hezuo City of Gannan Tibetan Autonomous Prefecture. The length of the main line is 179.238km, and there is also a southbound relief line from Bapanxia to Hekou, with a length of 3.88 1km. The line can extend southward to Chuanzhusi of Chengdu-Kowloon Railway, forming a new railway passage from Lanzhou to Chengdu.

This project is a single-track railway, which meets the national first-class standard, and the traction mode is electric traction. The base length of the newly-built railway from Lanzhou to Hezuo is 68.54km, accounting for 37. 16% of the total length of the line, the length of the large and medium-sized bridge is 40.83km, accounting for 22.3 1% of the total length of the line, the length of the tunnel is 63.78km, accounting for 35.58% of the total length of the line, and the station of this project is 65,438+. Among them, seven intermediate stops are Bapanxia, Yanguoxia, Yongjing, Linxia, Linxia South, Xiahe and Hezuo, four make way for Kaule, Hetan, Quao and Xiangla, and five are reserved for Linjiacun, Danzizhuang, Tumenguan, Madang and Lazhai.