China News Service, Beijing, March 5 (Reporter Zhou Yin) China Railway Construction Corporation disclosed that at 11:00 on the 5th, the launching ceremony of the Xining-Chengdu Railway (Sichuan Section) was held at Huangshengguan Station in Songpan County, Aba Prefecture, Sichuan Province. With the overall design of the north-south railway trunk line, which was designed by the China Railway Construction and Construction Institute, the prelude to comprehensive construction began.
The main line of the Xining-Chengdu Railway is 836.5 kilometers in length, of which 502.5 kilometers are newly constructed. 17 stations are planned to be built at a design speed of 200 kilometers per hour. The Langmu Temple to Hongyuan section can reach 250 kilometers per hour. The total investment of the project is about 81.49 billion yuan (RMB, the same below), the total construction period is planned to be 7.5 years.
Duan Rongcheng, senior engineer of China Railway Construction First Hospital, said that the construction of the line between Langmu Temple and Huangshengguan in Sichuan Province, which is currently under construction, is about 173 kilometers in length, including 5 new stations, including Huahu, Asi, and Zoige. , Banyou, Hongyuan Station, Huangshengguan Station are existing connecting stations, the estimated total investment is about 21.5 billion yuan. After the project is completed, you can take a train to famous tourist attractions in Sichuan Province, such as Huahu, Ruoergai, Langmu Temple, etc. After the completion of the whole line, it will only take 4.5 hours to reach Xining from Chengdu, half of the current time.
The ratio of bridges to tunnels on the entire Xicheng Railway is as high as 80%, the geological conditions are extremely complicated, and ecological protection is of great responsibility. 65% of new projects are above 3000 meters above sea level, and 4 national-level nature reserves, 1 provincial-level and 2 County-level nature reserves. Duan Rongcheng emphasized that on the one hand, Tieyiyuan adopted methods such as erection of bridges and increasing the depth of foundation pillars to solve problems such as poor geological development or crossing swamps; on the other hand, it adopted bridge replacement roads and regular maintenance of vegetation to strengthen the countermeasures. Avoidance and protection of nature reserves.
As an important part of the National Mid-Long Term High-Speed Railway Network "Eight Longitudinal Eight Horizontal" China-Lanxi (West) -Guangzhou High-speed Rail Link, the Xining-Chengdu railway line leads from Haixi East Station of Xining Hub, and passes through Haidong City, Qinghai Province, and Huangnan Tibetan After the autonomous prefecture, Gannan Tibetan Autonomous Prefecture of Gansu Province, and Aba Tibetan and Qiang Autonomous Prefecture of Sichuan Province, it was connected with the Chengdu-Lanzhou Railway under construction at Huangshengguan Station, and was introduced into the Chengdu hub in total. (Finish)